Assembly instructions acc. to EN Multiline pumps of series RA...for SKF MultiFlex oil and grease...

EN

for SKF MultiFlex oil and grease multiline centralized lubrication systems

Multiline pumps of series RA

Version 02

Assembly instructions acc. to EC Dir. 2006/42/EC for

partly completed machinery, with associated operating instructions

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EC Declaration of Incorporation acc. to Machinery Directive 2006/42/EC, Appendix II Part 1 BT h e m a n u f a c t u r e r , S K F L u b r ic a t io n S y s t e m s G m b H , H o c k e n h e im P la n t , 2 . In d u s t r ie s t r a s s e 4 , D E - 6 8 7 6 6 H o c k e n h e im , h e r e b y d e c la r e s t h e c o n f o r m it y o f t h e p a r t ly c o m p le t e d m a c h in e r y

D e s ig n a t io n : M u lt ilin e p u m p sT y p e : R AIt e m n u m b e r : 7 5 0 - X X X - X X X XY e a r o f m a n u f a c t u r e : S e e r a t in g p la t ew it h t h e e s s e n t ia l p r o t e c t io n r e q u ir e m e n t s o f M a c h in e r y D ir e c t iv e 2 0 0 6 / 4 2 / E C a t t h e t im e o f p la c in g o n t h e m a r k e t .

1 .1 .2 · 1 .1 .3 · 1 .3 .2 · 1 .3 .4 · 1 .5 .1 · 1 .5 .6 · 1 .5 .8 · 1 .5 .9 · 1 .6 .1 · 1 .7 .1 · 1 .7 .3 · 1 .7 .4

T h e t e c h n ic a l d o c u m e n t a t io n d e s c r ib e d in A n n e x V II, p a r t B o f t h is D ir e c t iv e h a s b e e n p r e p a r e d . W e u n d e r t a k e t o t r a n s m it , in r e s p o n s e t o a r e a s o n e d r e q u e s t b y t h e n a t io n a l a u t h o r it ie s , t h e s p e c ia l d o c u m e n t s fo r t h is p a r t ly c o m p le t e d m a c h in e . T h e H e a d o f T e c h n ic a l S t a n d a r d s is t h e a u t h o r iz e d r e p r e s e n t a t iv e fo r t h e t e c h n ic a l d o c u m e n t a t io n . S e e t h e m a n u f a c t u r e r in fo r m a t io n fo r t h e a d d r e s s .

F u r t h e r m o r e , t h e fo llo w in g D ir e c t iv e s a n d (h a r m o n iz e d ) s t a n d a r d s w e r e a p p lie d in t h e a p p lic a b le a r e a s :2 0 1 1 / 6 5 / E U R o H S II 2 0 1 4 / 3 0 / E U E le c t r o m a g n e t ic C o m p a t ib ilit y | In d u s t r y

S t a n d a r d E d it io n S t a n d a r d E d it io n S t a n d a r d E d it io n S t a n d a r d E d it io n

D IN E N IS O 1 2 1 0 0 2 0 1 1 D IN E N 6 0 9 4 7 - 5 - 1 2 0 1 0 D IN E N 6 1 0 0 0 - 6 - 2 2 0 0 6 D IN E N 6 1 0 0 0 - 6 - 4 2 0 1 1

D IN E N 8 0 9 2 0 1 2 D IN E N 6 1 1 3 1 - 2 2 0 0 8 C o r r e c t io n 2 0 1 1 D IN E N 6 0 9 4 7 - 5 - 1 2 0 1 0

D IN E N 6 0 2 0 4 - 1 2 0 0 7 C o r r e c t io n 2 0 0 9 D IN E N 6 1 0 0 0 - 6 - 3 2 0 1 1

C o r r e c t io n 2 0 1 0 D IN E N 6 0 0 3 4 - 1 2 0 1 5 C o r r e c t io n 2 0 1 2

D IN E N 5 0 5 8 1 2 0 1 3 D IN E N 6 1 0 0 0 - 6 - 1 2 0 0 7

T h e p a r t ia lly c o m p le t e d m a c h in e r y m u s t n o t b e p u t in t o s e r v ic e u n t il t h e m a c h in e r y in t o w h ic h it is t o b e in c o r p o r a t e d h a s b e e n d e c la r e d in c o n f o r m it y w it h t h e p r o v is io n s o f M a c h in e r y D ir e c t iv e 2 0 0 6 / 4 2 / E C a n d a ll o t h e r a p p lic a b le D ir e c t iv e s .

H o c k e n h e im , 2 0 1 6 ,0 4 ,2 5

J ü r g e n K r e u t z k ä m p e r M a n a g e r R & D G e r m a n yS K F L u b r ic a t io n B u s in e s s U n it

S t e fa n S c h ü r m a n n M a n a g e r R & D H o c k e n h e im / W a lld o r f S K F L u b r ic a t io n B u s in e s s U n it

EN E C D e c la r a t io n o f In c o r p o r a t io n

3

Masthead

Masthead

These assembly instructions pursuant to EC

Machinery Directive 2006/42/EC are an

integral part of the product described here

and must be kept for future use.

Warranty

The instructions do not contain any infor-

mation on the warranty. This can be found

in the General Conditions of Sales, which

are available at:

www.skf.com/lubrication.

Copyright / Integration of instructions

© SKF Lubrication Systems Germany

GmbH

All rights reserved.

These instructions are protected by copy-

right.

The use of the contents for the purpose of

integration into the documentation of the

machine manufacturer in whose product it

will be integrated is expressly allowed. This

also includes the preparation of training

documents for internal, non-commercial

purposes. Any other usage of any kind wi-

thout written permission of the rights hol-

der is prohibited and constitutes a violation

of copyright.

EN

Manufacturer and service address

If you have technical questions, please

contact:

SKF Lubrication Systems Germany GmbH

Berlin Plant

Motzener Strasse 35/37

12277 Berlin

Germany

Tel. +49 (0)30 72002-0

Fax +49 (0)30 72002-111

www.skf.com/lubrication

Hockenheim Plant

2. Industriestrasse 4

68766 Hockenheim

Germany

Tel. +49 (0)62 05 27-0

Fax +49 (0)62 05 27-101


4

EN

Table of contents

Table of contents

Multiline pumps of series RA 1

EC Declaration 2 Explanation of symbols and signs 6

1. Safety instructions 8

1.1 General safety instructions 8

1.2 General behavior when handling the product 8

1.3 Qualiied technical personnel 9

1.4 Electric shock hazard 9

1.5 System pressure or hydraulic pressure hazard 10

1.6 Operation 10

1.7 Assembly/maintenance/malfunction/ decommissioning/disposal 10

1.8 Intended use 11

1.9 Foreseeable misuse 11

1.10 Disclaimer of liability 12

1.11 Explosion protection in ATEX 12

1.12 Referenced documents 12

1.13 Warning labels on the product 13

1.14 Residual risks 14

2. Lubricants 16

2.1 General information 16

2.2 Selection of lubricants 16

2.3 Approved lubricants 17

2.4 Lubricants and the environment 18

2.5 Lubricant hazards 18

3. Overview/functional description 19

4. Assembly 22


4.2 Setup and attachment 22

4.3 Oil lubrication pumps/oil lubrication pump units - Port dimensions, assembly holes and minimum mounting dimensions 24

4.3.1 Rotary drive, coaxial 24

RA 1UA 00 / 44 21 R 0001 25

4.3.2 Rotary drive with coaxial gear 26

RA 2UB 15 / 442 D R 0001 27

4.3.3 Rotary drive with bevel gear 28

RA 3UA 01 A 42441 R 0001 29

4.3.4 Electric motor drive, coaxial 30

RA 1M 00 / 44421 0001 AF 07 31

4.3.5 Electric motor drive, with coaxial gear 32

RA 2M 15/ 421 DR 0001 AF 07 33

4.3.6 Electric motor drive with bevel gear 34

RA 3M 01 / 44421 / 0001 AF 07 35

4.4 RA multiline pump units for oil with 3-, 7-, or 15-liter reservoir 36

4.4.1 RA multiline pump units with 3-liter reservoir 36

4.4.2 RA multiline pump units with 7-liter reservoir 37

4.4.3 RA multiline pump units with 15-literreservoir 38

4.5 Grease lubrication pump port dimensions, assembly holes and minimum mounting dimensions 42

4.5.1 Rotary drive, with bevel gear and grease reservoir 42

RA 20 F 3UA 01 B 442 / 0001 43

4.5.2 Electric motor drive, with coaxial gear and grease reservoir 44

4.5.3 Electric motor drive, with bevel gear and grease reservoir 47

4.6 Assembly of the RA multiline pump 50

4.6.1 Rotary multiline pump 50

Assembly instructions

5

ENTable of contents

4.6.2 Multiline pump unit in foot design, type IM B34 51

4.6.3 Multiline pump units with 3- and 7-liter reservoir 52

4.7 Electrical motor connection 53

4.8 Assembly of electric ill level switches 54

4.8.1 Fill level switch for oil (V) 55

4.8.2 Fill level switch for grease (E) 55

4.8.3 Fill level switch for grease (F) 55

4.9 Lubrication line arrangement 56

4.10 Venting the RA multiline pump and lubricant lines 57

4.10.1 Venting the RA grease

multiline pump 57

4.10.2 Venting the RA oil multiline pump 58

4.11 Adjusting the displacement using displacement chart and continuous operating pressure 59

4.12 Note on the rating plate 62

4.13 Information on CE marking 62

Operating instructions associated with assembly instructions 65

1. Safety instructions 66


1.2 Disclaimer of liability 66

2. Lubricants 66

3. Delivery, returns, and storage 67

3.1. Checking the delivery 67

3.2. Return shipments 67

3.3. Storage 67

3.3.1 Lubrication units 67

3.3.2 Electronic and electrical devices 67

3.3.3 General notes 67

4. Assembly 68

4.1 Information on assembly 68

5. Commissioning 68

5.1 Commissioning 68

6. Shutdown and disposal 69

6.1 Temporary shutdown 69

6.2 Shutdown 69

7. Maintenance 70


8. Malfunctions, causes, and remedies 72

8.1 Prior to beginning troubleshooting 72

8.2 Commissioning, product, and system malfunctions 73

9. Accessories 74

10. Spare parts 75

Operating instructions

6

EN

Possible symbols

Meaning

Note

Electrical component hazard, electric shock hazard

Slipping hazard

Hazard from hot componentsHazard from hot surface

Risk of being drawn into machinery

Crushing hazard

Danger from suspended load

Pressure injection hazard

Explosion-proof component

Electrostatic sensitive components

Wear personal safety equipment (goggles)

Secure (lock) the closing device against accidental starting of the machine

Environmentally sound disposal

Explanation of symbols and signs


You will find these symbols, which warn of

specific dangers to persons, material assets,

or the environment, next to all safety inst-

ructions in these operating instructions.

Read the instructions completely and follow

all operating instructions and the warning

and safety instructions.

Information symbols within the text

Symbol Meaning

Prompts an action

Used for itemizing

Refers to other facts, causes, or consequences

Provides additional information within procedures

Warning level Consequence Probability

DANGER Death / serious injury Immediate

WARNING Serious injury Possible

CAUTION Minor injury Possible

IMPORTANT NOTE Property damage Possible

Symbol

7

EN

Instructions placed on a unit, machine, or

equipment, such as:

o Rotation arrow

o Fluid connection labels must be followed

and kept in fully legible condition.

o Warnings


Abbreviations and conversion factors

Abbreviationsre regarding oz. ounceapprox. approximately psi pounds per square inch°C degrees Celsius hp horsepowers seconds lb. pounddB (A) sound pressure level sq.in. square inchi.e. that is kp kilopondetc. et cetera cu.in. cubic inchposs. possibly mph miles per hour< less than fpsec feet per second± plus or minus °F degrees Fahrenheit> greater than fl.oz. fluid ouncee.g. for example in. inchetc. et cetera gal. gallonØ diameterincl. including Conversion factors K Kelvin Length 1 mm = 0.03937 in.kg kilogram Area 1 cm² = 0.155 sq.in.RH relative humidity Volume 1 ml = 0.0352 fl.oz.kW kilowatt 1 l = 2.11416 pints (US)l liter Mass 1 kg = 2.205 lbsmin. minute 1 g = 0.03527 oz.max. maximum Density 1 kg/cm³ = 8.3454 lb./gal.

(US)min. minimum 1 kg/cm³ = 0.03613 lb./cu.in.mm millimeter Force 1 N = 0.10197 kpml milliliter Speed 1 m/s = 3.28084 fpsecN Newton 1 m/s = 2.23694 mphNm Newton meter Acceleration 1 m/s² = 3.28084 ft./s²

Pressure 1 bar = 14.5 psiTemperature °C = (°F-32) x 5/9Power 1 kW = 1.34109 hp

8

ENEN

1. Safety instructions

1.1 General safety instructions

The operator must ensure that the assembly

instructions/operating instructions are read

by all persons tasked with working on the

product or who supervise or instruct such

persons. The operator must also ensure that

the staff fully understands the content of the

instructions.

The assembly instructions/operating in-

structions must be kept readily available

together with the product.

Note that the assembly instructions/opera-

ting instructions form part of the product

and must accompany the product if sold to a

new owner.

The product described here was manu-

factured according to the state of the art.

Risks may, however, arise from its usage

and may result in personal injury or damage

to material assets.

Any malfunctions which may affect safety

must be remedied immediately. In addition

to the assembly instructions/operating in-

structions, statutory regulations and other

regulations for accident prevention and

environmental protection must be observed

and applied.

1.2 General behavior when handling the

product

o The product may only be used in aware-

ness of the potential dangers, in proper

technical condition, and according to the

information in this manual.

o Personnel must familiarize themselves

with the functions and operation of the

product. The specified assembly and ope-

rating steps and their sequences must be

observed.

o Any unclear points regarding proper con-

dition or correct assembly/operation must

be clarified. Operation is prohibited until

issues have been clarified.

o Unauthorized persons must be kept away

from the product.

o All safety instructions and in-house inst-

ructions relevant to the particular activity

must be observed.

o Responsibilities for different activities

must be clearly defined and observed.

Uncertainty seriously endangers safety.

o Protective and safety mechanisms must

not be removed, modified, or disabled

during operation and must be checked

for proper function and completeness at

regular intervals.

If protective and safety mechanisms

must be removed, they must be installed

immediately following conclusion of work

and checked for proper function.


9

1

ENEN

o Any malfunctions that occur must be

resolved according to responsibility. The

supervisor must be notified immediately

in case of malfunctions outside one's

individual scope of responsibility.

o Wear personal protective equipment.

o Observe the relevant safety data sheets

when handling lubricants/equipment.

1.3 Qualified technical personnel

Only qualified technical personnel may

install, operate, maintain, and repair the

products described here.

Such persons are familiar with the relevant

standards, rules, accident prevention regu-

lations, and assembly conditions as a result

of their training, experience, and instruction.

They are qualified to carry out the required

activities and in doing so recognize and

avoid any potential hazards. The definition

of qualified personnel and the prohibition

against employing non-qualified personnel

are laid down in DIN VDE 0105 and IEC

364. Relevant country-specific definitions of

qualified technical personnel apply for coun-

tries outside the scope of DIN VDE 0105 or

IEC 364.

The operator is responsible for assigning

tasks and the area of responsibility.

The personnel must be trained and instructed

prior to beginning work if they do not pos-

sess the requisite knowledge.

Product training can also be performed by

SKF in exchange for costs incurred.

1.4 Electric shock hazard

WARNING

Electric shock

Assembly, maintenance, and re-

pair work may only be performed

by qualified technical personnel.

De-energize the product prior to

beginning work.

Local conditions for connections

and local regulations (e.g., DIN,

VDE) must be observed.


10

ENEN

1.5 System pressure or hydraulic

pressure hazard

All relevant persons (e.g., operating personnel,

supervisors) must be informed of

the activity prior to the start of work.

Precautionary operational measures / work

instructions must be observed.

o Take appropriate measures to ensure

that moving/detached parts are immo-

bilized during the work and that no body

parts can be pinched by unintended

movements.

o Assemble the product only outside the

operating range of moving parts, at an

adequate distance from sources of heat

or cold.

o Prior to performing work, the product

and the machine/system in which the

product is integrated must be de-ener-

gized and depressurized and secured

against unauthorized activation.

o All work on electrical components may be

performed only with voltage-insulated

tools.

1.7 Assembly/maintenance/malfunction/

decommissioning/disposal

WARNING

System pressure

Hydraulic pressure

Lubrication systems are pressurized

during operation. Centralized lu-

brication systems must therefore

be depressurized before starting

assembly, maintenance, or repair

work, or any system modifications

or system repairs.

1.6 Operation

The following must be observed while wor-

king on the product.

o All information within this manual and

the information within the referenced

documents

o All laws and regulations that the operator

must observe

o The information on explosion protection

according to Directive 1999/92/EC

(ATEX 137), if necessary


11

1

ENEN

o Fuses must not be bridged. Always replace

fuses with fuses of the same type.

o Ensure proper grounding of the product.

o Drill required holes only on non-critical,

non-load-bearing parts.

o Other units of the machine/the vehicle

must not be damaged or impaired in their

function by the installation of the centra-

lized lubrication system.

o No parts of the centralized lubrication

device may be subjected to torsion, shear,

or bending.

o Use suitable lifting gear when working

with heavy parts.

o Avoid mixing up/incorrectly assembling

disassembled parts. Label parts.


1.8 Intended use

Intended use is the use of the RA multiline

pump for the purpose of providing centralized

lubrication.

The RA multiline pump is constructed as a

radial piston pump in a modular design. Up

to five pump elements each with one, two,

or four outlets can be “stacked” together.

The displacement of the outlets is conti-

nuously variable (stepless adjustment) from

outside.

The pump is suitable for use as a feed

pump for total loss lubrication systems or

for circulating lubrication systems with low

circulation rates (up to 30 cm3/min per

outlet) or as a multicircuit pump to supply

multiple independent lubrication zones.

Its operating pressure is max. 63 bar, with

up to 100 bar for short periods. The design

of the RA multiline pump permits it to pump

both mineral-based and synthetic-based

oils and greases.

Any other usage is deemed non-compliant

with the intended use.

1.9 Foreseeable misuse

Any usage of the product differing from

the aforementioned conditions and stated

purpose is strictly prohibited. Particularly

prohibited are:

o To supply, transport, or store hazardous

substances and mixtures in accordance

with annex I part 2-5 of the CLP regu-la-

tion (EC 1272/2008), which have been

marked with hazard pictograms GHS01-

GHS 09

o Use to feed / forward / store gases, lique-

fied gases, dissolved gases, vapors, or

fluids whose vapor pressure exceeds normal

atmospheric pressure (1013 mbar) by

more than 0.5 bar at their maximum per-

missible operating temperature

12

ENEN 1. Safety instructions

1.10 Disclaimer of liability

The manufacturer shall not be held liable

for damage resulting from:

o Failure to comply with these instructions

o The use of lubricants/media not approved

for the unit type

o Contaminated or unsuitable lubricants

o Installation of non-original SKF compo-

nents

o Inappropriate usage

o Improper assembly, coniguration, or

illing

o Improper response to malfunctions

o Non-observance of maintenance

intervals

o Independent modiication of system

components

The multiline pumps of series RA described in

these assembly instructions are not approved

for ATEX applications.

Only products tested and approved by SKF

in accordance with ATEX Directive 94/9/EC

are permitted to be used in potentially ex-

plosive atmospheres. The relevant class of

explosion protection is indicated on the

products’ rating plates.

The associated ATEX operating instructions

apply to these ATEX products.

1.12 Referenced documents

In addition to this manual, the following

documents must be observed by the res-

pective target group:

o Operational instructions/approval rules

o Instructions from suppliers of purchased

parts

o Manual for the insulation resistance

tester

o Safety data sheet of the lubricant lubricant/

equipment used

o Project planning documents and other

relevant documents

The operator must supplement these docu-

ments with applicable regulations for the

country of use. The documentation must be

included if the product is transferred to a

new operator.

1.11 Explosion protection in ATEX

13

1

ENEN1. Safety instructions

1.13 Warning labels on the product

The following warning labels are affixed

to the motor-driven RA multiline pumps.

Before commissioning, check that the labels

are present and intact. Immediately replace

warning labels if damaged or missing. The

product must not be operated until then.

See the positioning diagram for the order

number and position on the product.

Warning label, item 2Warning label, item 1

CAUTION

The direction of rotation must

match the arrow on the

multiline pump.

Order No. : 44-1826-2144

Order No. : 44-1826-2850

Positioning of warning labels, Fig. 1

Rotation arrowItem 1

Item 2

WARNING

Electric shock

Assembly, maintenance, and re-

pair work may only be performed

by qualified technical personnel.


beginning work.

Local conditions for connections

and local regulations (e.g., DIN,

VDE) must be observed.

0 0

10

10

1 1

Electrical component hazard, electric shock hazard

14

ENEN 1. Safety instructions

1.14 Residual risks

Residual risk Remedy

Life cycle: Assembly

Electric shock due to defective power lead/mains plug

• Inspect the power lead/mains plug for damage before starting the product.

People slipping due to floor contaminati-on with spilled/leaked lubricant

• Exercise caution when connecting the product’s hydraulic connections• Promptly apply suitable binding agents and remove the leaked/spilled lubricant.• Follow operational instructions for handling lubricants and contaminated parts.

Tearing/damage to lines when installed on moving machine components

• If possible, do not install on moving parts; If this cannot be avoided, use flexible hose lines.

Life cycle: Commissioning / operation



Lubricating oil spraying out due to faulty component fitting / faulty line connection

• Tighten all components securely or using the specified torques. Use hydraulic screw unions and lines suitable for the indicated pressures. These must be checked for proper connection and for damage prior to commissioning.

Life cycle: Setup, retrofit

People slipping due to floor contaminati-on with spilled/leaked lubricant

• Exercise caution when undoing or connecting the product’s hydraulic connections.• Promptly apply suitable binding agents and remove the leaked/spilled lubricant.• Follow operational instructions for handling lubricants and contaminated parts.

15

1

ENEN1. Safety instructions

Residual risk Remedy

Life cycle: Malfunction, troubleshooting, maintenance, repair



Electric shock from open electric motor or active energized components

Disconnect the mains plug (cut power) before performing any work on electrical components.• Exercise caution when winding and unwinding the power lead and when operating the product.

Strong heating of the electric motor due to a motor jam or continuous duty

Turn off the pump motor and let it cool down. Remedy the cause

People slipping due to floor contamination with spilled/leaked lubricant

• Exercise caution when undoing or connecting the product’s hydraulic connections.• Promptly apply suitable binding agents and remove the leaked/spilled lubricant.• Follow operational instructions for handling lubricants and contaminated parts.

Life cycle: Decommissioning, disposal

People slipping due to floor contamination with spilled/leaked lubricant

• Exercise caution when disconnecting the product’s hydraulic connections• Promptly apply suitable binding agents and remove the leaked/spilled lubricant.• Follow operational instructions for handling lubricants and contaminated parts.

Environmental contamination by lubricants and wetted parts

• Dispose of contaminated parts according to the applicable legal/company rules

16

EN 2. Lubricants

2. Lubricants

2.1 General information

Intended use is the use of the products for

the purpose of providing centralized lubri-

cation/lubrication of bearings and friction

points using lubricants within the physical

usage limits which can be found in the do-

cumentation for the devices, e.g., operating

instructions and the product descriptions,

e.g., technical drawings and catalogs.

Hazardous materials of any kind, especially

the materials classified as hazardous by CLP

Regulation EC 1272/2008 may only be used

to fill SKF centralized lubrication systems

and components and deliv-ered and/or dis-

tributed with the same after consulting with

and receiving written approval from SKF.

Selection of a lubricant suitable for the

lubrication task is made by the machine/

system manufacturer and/or the operator of

the machine/system in cooperation with the

lubricant supplier.

When selecting a lubricant, the type of bea-

rings/friction points, their expected load du-

ring operation, and the anticipated ambient

conditions must be taken into account. All

economic and environmental aspects must

also be considered.

IMPORTANT NOTE

Observe the instructions from the machine

manufacturer regarding the lubricants that

are to be used.

The amount of lubricant required at a lu-

brication point is specified by the bearing

or machine manufacturer. It must be ensu-

red that the required quantity of lubricant

is provided to the lubrication point. The

lubrication point may otherwise not receive

adequate lubrication, which can lead to

damage and failure of the bearing.

2.2 Selection of lubricants

No products manufactured by SKF Lubrication

Systems are approved for use in conjunction

with gases, liquefied gases, pressurized gases

in solution, vapors, or such fluids whose

vapor pressure exceeds normal atmospheric

pressure (1013 mbar) by more than 0.5 bar

at their maximum permissible temperature.

Other media which are neither lubricant nor

hazardous substance may only be fed after

consultation with and written approval from

SKF Lubrication Systems.

SKF Lubrication Systems considers lubricants

to be an element of system design that

must always be factored into the selection

of components and the design of centralized

lubrication systems. The lubricating proper-

ties of the lubricants are critically important

in making these selections.

IMPORTANT NOTE

All products from SKF Lubrication

Systems may be used only for their inten-

ded purpose and in accordance with the

information in the product's operating

instructions.

17

2

EN2. Lubricants

Please contact SKF Lubrication Systems

if you have further questions regarding

lubricants. It is possible for lubricants to be

tested in the company's laboratory for their

suitability for pumping in centralized lubri-

cation systems (e.g., "bleeding").

You can request an overview of the lubricant

tests offered by SKF Lubrication Systems

from the company's Service department.

The product described here can be operated

using lubricants that meet the specifications

in the technical data. Depending on the

product design, these lubricants may be oils,

fluid greases, or greases.

Mineral, synthetic, and/or and rapidly bio-

degradable oils and base oils can be used.

Consistency agents and additives may be

added depending on the operating condi-

tions.

Note that in rare cases, there may be

lubricants whose properties are within

permissible

limit values but whose other characteristics

render them unsuitable for use in centralized

lubrication systems. For example, syn-

thetic lubricants may be incompatible with

elastomers.

IMPORTANT NOTE

Only lubricants approved for the product

may be used. Unsuitable lubricants can

lead to failure of the product and to

property damage.

2.3 Approved lubricants

IMPORTANT NOTE

Different lubricants must not be mixed

together. Doing so can cause damage and

require costly and complicated cleaning

of the product/lubrication system. It is

recommended that an indication of the lu-

bricant in use be attached to the lubricant

reservoir in order to prevent accidental

mixing of lubricants.

IMPORTANT NOTE

If necessary, SKF Lubrication Systems can

help customers to select suitable compo-

nents for feeding the selected lubricant

and to plan and design their centralized

lubrication system.

18

EN 2. Lubricants

2.5 Lubricant hazards

WARNING

Lubricants

Products must always be free of

leaks. Leaking lubricant is hazar-

dous due to the risk of slipping

and injury. Beware of any lubricant

leaking out during assembly, ope-

ration, maintenance, or repair of

centralized lubrication systems.

Leaks must be sealed off without

delay.

IMPORTANT NOTE

Follow the safety instructions on the lubri-

cant's safety data sheet.

2.4 Lubricants and the environment

IMPORTANT NOTE

Lubricants can contaminate soil and wa-

terways. Lubricants must be used and

disposed of properly. Observe the local re-

gulations and laws regarding the disposal

of lubricants.

It is important to note that lubricants are

environmentally hazardous, flammable

substances which require special precauti-

onary measures during transport, storage,

and processing. Consult the safety data

sheet from the lubricant manufacturer

for information regarding transport, stora-

ge, processing, and environmental hazards

of the lubricant that will be used.

The safety data sheet for a lubricant can be

requested from the lubricant manufacturer.

Leaking lubricant is a serious hazard. Lea-

king lubricant can create risks that may re-

sult in physical harm to persons or damage

to other material assets.

19

3

2

EN3. Overview/functional description

3. Overview/functional description

Rotary drive, coaxial

1.1 1.2 1.41.3

Item Description

1 Radial piston pump

1.1 Initial section

1.2 Pump element

1.3 Sealing cap

1.4 Tie-rod with cap nut

2 Terminal box

3 Electric motor

4 Fill level switch

5 Grease reservoir

6 Bevel gear

7 Oil reservoir

Radial piston pumps

Rotary drive -Chapters 4.3.1 to 4.3.3

Electric motor drive,

coaxial -Chapters 4.4 to 4.6

Rotary drive with bevel gear

and reservoir (grease)

-Chapters 4.7 to 4.9

Electric motor drive with

oil reservoir unit -Chapter 4.10

Electric motor drive, coaxial

Rotary with bevel gear, with grease reservoir Electric motor drive, with oil reservoir

01

01

01

01

01

0 01

0 01

0

1 1 1

0 0

10

10

1 1

2 3

1

1

1

00 1

00 1

00 1

0 0

10

10

1 1

4

5

6

7

1

1

1

132

3.1 Assemblies

20

EN 3. Overview/functional description

In its basic design, the RA multiline pump is

comprised of a drive, spacer ring with the

lubricant inlet, at least one pump element,

and a cap.

The pump element shown in Figure 2 in its

pressure phase is comprised of the pump

ring (1), the pump shaft (2) with the two

radial pump pistons (3) and the track ring

with elliptical inner contour (4), which is

permanently joined to the adjusting plate

(5). The pump ring (1) houses the suction

grooves and the pressure bores. The pump

shaft, which also acts as the drive shaft for

the next pump element via the embedded

coupling, is designed as a rotary valve.

The two pump pistons are pressed against

the inner side of the track ring by the spring

(6).

As the pump shaft turns, the two pump pis-

tons move apart due to the spring loading,

until the outer dead center is reached.

3.2 Functional description 3.3 Mode of operation

The RA multiline pump is constructed as a

radial piston pump in a modular design. Up

to five pump elements each with

one, two, or four outlets can be stacked to-

gether so that the number of outlets can be

adapted to current requirements in the best

possible way.

The simple stacking design also enables

subsequent expansion or reduction of the

number of pump outlets.

The displacement of a pump element's

outlets is continuously variable (stepless

adjustment) from outside. Continuous vari-

ability and a wide speed range guarantee an

extremely broad range of delivery rates.

This also makes the pump highly attractive

as a feed pump for total loss lubrication sys-

tems or for circulating lubrication systems

with low circulation rates (up to 30 cm3/min

per outlet) or as a multicircuit pump to sup-

ply multiple independent lubrication zones.

The pump can, following changeover of the

adjusting plate, be driven in either direction

of rotation as desired.

Its operating pressure is max. 63 bar, with

up to 100 bar for short periods.

The design of the RA multiline pump per-

mits it to pump both mineral-based and

synthetic-based oils and greases.

)See Figure 2

21

3

EN3. Overview/functional description

Until the outer dead center is reached, the

control bore in the pump shaft connects the

space between the two pump pistons with a

lubricant inlet in the spacer ring. This is the

suction phase. Due to the elliptically shaped

track ring, the pump pistons move together

against the spring force as the pump shaft

continues to turn, until the inner dead center

is reached. Until the inner dead center is

reached, the control bore in the pump shaft

connects the space between the two pump

pistons with a lubricant outlet in the pump

ring. This is the pressure phase.

The displacement can be varied continuously

(steplessly) with the adjusting plate using

the phase control method, meaning that the

track ring position is changed relative to the

position of the control

bore in the pump shaft. The stroke of the

two pistons remains the same in every phase

variation; it is fully effective or only partially

effective, depending on the setting.

Pump element in the pressure phase, Fig. 2

3

4 / 5

2

6

1

Spacer ring

Drive

Cap

Pump element

Tie-rods with cap

nut

Outlet

Pump ring

Pump shaft

Spring

Track ring/

adjusting plate

Pump pistons

Inlet

22

4. Assembly

IMPORTANT NOTE

Observe the technical data (Chapter 9).

Only qualified technical personnel may

install, operate, maintain, and repair the

multiline pump units of series RA described

in the assembly instructions. Qualified

technical personnel are persons who have

been trained, assigned, and instructed by

the operator of the final product into which

the multiline pump units described here are

incorporated.

Such persons are familiar with the relevant

standards, rules, accident prevention regu-

lations, and operating conditions as a result

of their training, experience, and instruction.

They are qualified to carry out the required

activities and in doing so recognize and

avoid potential hazards.

The definition of qualified personnel and the

prohibition against employing non-qualified

personnel are laid down in DIN VDE 0105

and IEC 364.

Before assembling/setting up the product,

remove the packaging material and any

shipping braces (e.g., plugs).

The packaging material must be preserved

until any discrepancies are resolved.


CAUTION

Personal injury/property damage

Do not tilt or drop the product.

The product should be protected from

humidity and vibration, and should be

mounted so that it is easily accessible,

allowing all further installation work to be

done without difficulty. Make sure there is

adequate air circulation to prevent the com-

ponent from overheating. For the maximum

permissible ambient temperature, see

"Technical data."

The mounting position of the product is as

shown in the assembly drawing.

4.2 Setup and attachment

EN

CAUTION


Drill assembly holes in such a way

that no lines, units, or moving

parts are damaged or their func-

tion impaired. Maintain safety

clearances and comply with regu-

lations for assembly and accident

prevention.

4. Assembly

23

4

During assembly and especially when drilling,

always pay attention to the following:

o Existing lines must not be damaged.

o Other units must not be damaged.

o The product must not be installed within

range of moving parts.

o The product must be installed at an ade-

quate distance from sources of heat or

cold.

o Maintain safety clearances and comply

with regulations for assembly and accident

prevention.

Install the pump on a flat surface or flange.

The pump must not be under stress.

RA multiline pumps are designed to deliver

low to minimal volumetric flows. They the-

refore have very limited suction performance

compared with pumps with larger volumetric

flows. When designing the system/machine,

the RA multiline pump should be installed

below the oil level or oil feed line. This sup-

ports the pump’s self-venting properties

and prevents dry running as well as prema-

ture wear.

At the same time, ensure that the suction

lines do not extend to the lowest point of the

oil reservoir. Under no circumstances may

any existing oil sump be drawn in.

To prevent the RA multiline pump from run-

ning dry, SKF recommends a fill level control

with a minimum switching point.

This fill level switch can optionally be sup-

plemented with a customer-provided timer

that shuts down the system if the fill level

drops too low.

Installation examples, Fig. 3

EN4. Assembly

0 0

10

10

1 1

0 0

10

10

1 1

0 0

10

10

1 1

RA, self-priming

Attachment scale

optimal

good

acceptable

poor

Min. ill level

Vent

Filler socket with microilter strainer

24

RA multiline pump, rotary drive, coaxial, Fig. 4

4.3 Oil lubrication pumps/oil lubrication pump units - Port dimensions, assembly holes, and minimum mounting dimensions

Minimum mounting dimensions

A =Ultimate length: X + 20 mmB = Installation clearance Ø 100 mm

4.3.1 Rotary drive, coaxial

31

21

A

B

B

Ø11 f7

Ø30 h9

IIIV

Ø54

I III

42

M6

Ø15,2

9

01

01

8

01

01

01

01

00

1

00

1

53 27 27 27 27 28,5

32,5

12,5

4h9

Inlet G 1/8" Outlet G 1/8"

Section B-B View A

Positioning of outlets I to IV

01

01

01

Ø B

A

Drawing of a pump element with 4 outlets, with the outlets arranged at angles of 45° to each other

X = 112.5 (1 element) to 220.5 (5 elements)

EN 4. Assembly

25

4

Technical data for Fig. 4

General Mounting position Any Ambient temperature - 15 °C to +80 °C

Pump Type Radial piston pump Operating pressure 63 bar 1) Short-term pressure 100 bar Number of stackable pump elements Max. 5 Outlet ports per pump element 1, 2, or 4 Displacement adjustment per pump element Continuously variable Displacement per outlet and revolution of the pump shaft Max. 0.02 cm3 Drive speed 10 to 1500 rpm Direction of rotation Clockwise or coun-terclockwise 2) Lubricant Mineral oils 3) Lubricant temperature range -15°C to +80°C Operating viscosity 25 to 2500 mm2/s Suction head 500 mm Intake pipe inside diameter ≥ 4 mmWeight of pump elements Element 1: 2.74 kg, 2: 1.59 kg, 3: 1.97 kg, 4: 2.36 kg, 5: 2.74 kg

1) For max. operating pressure, see displacement chart, Fig. 20, page 602) Standard: clockwise

Explanation of order codes for Fig. 4

RA 1UA 00 / 44 21 R 0001

Type Radial piston pump RA

Drive 1UA = Rotary, coaxial

Step-down ratio 00 = 1:1

Number of outlet ports per pump element 1 = 1 outlet 2 = 2 outlets 4 = 4 outlets 1 to 5 pump elements (counted from drive)

Direction of rotation R = Standard: clockwise L = counterclockwise

Design key 0001

Pump element 1

Pump element 5

EN4. Assembly

26

12,5

4h9

Ø54

Ø70

I

IV

III

II

60

ba

A

31 x

Ø38 h9

217

31

Ø15,2

1 1

0,3

10,3

1

0,3

0,3

1 1

27 27 55,828,5

0,3

0,3

B

B

RA multiline pump, rotary drive with coaxial gear, Fig. 5


A = Ultimate length: 31 mm+X+55.8+50 mmB = Installation clearance 100 mmC = Installation clearance with cap prelubrication 250 mm

4.3.2 Rotary drive with coaxial gear


View B-B

M6/15 deep

View A


Inlet

Drawing of a pump element with 4 outlets, with the outlets arranged at angles of 45° to each othera b

Step-down ratio

52.5 21 5:1

62.5 21 15:1

63.5 20.5 25:1

73.5 20.5 75:1

73.0 21 125:1

Ø B

A

Ø C

C

1 1

0,3

10,3

1

0,3

0,3

1 10,3

0,3

View C

Risk of injury! Remove hand crank after

prelubrication.

EN 4. Assembly

27

4


For general technical data, see page 25,“Technical data for Fig. 4.”

Pump Drive speed Up to 3600 rpmStep-down ratio of coaxial gear 5:1, 15:1, 25:1, 75:1, 125:1

Weight of pump elements: 1) Element 1: 2.24 kg Element 2: 2.63 kg Element 3: 3.01 kg Element 4: 3.40 kg Element 5: 3.78 kg

1) The total weight of the pump is increased by 0.1 kg with cap prelubrication. For the design with cap prelubrication, the hand crank is included in the scope of delivery with the pump.


RA 2UB 15 / 442 D R 0001


Drive 2UB = Rotary with coaxial gear

Step-down ratio 05 = 5:1 15 = 15:1 25 = 25:1 75 = 75:1 13 = 125:1


Cap prelubrication

D = With cap prelubrication (direction of rotation can only be set to clockwise)

/ = Without cap prelubrication


Design key 0001

Pump element 1

Pump element 5

EN4. Assembly

28

RA multiline pump, rotary drive with bevel gear, Fig. 6

4.3.3 Rotary drive with bevel gear


Drive position B

Drive position A

Section A-AMinimum mounting dimensions

A =Ultimate length: 100 mmB = Installation clearance x + 30 mmC = Width 130 mm

A

BB

IVII

III I

C

0,31

0,31

0,31

0,31

0,31

0,31

0,31

0,31

0,31

0,31

0,31

0,31

22

IV

II

III

Ø11

16

f7

I

20

8

60

105

9057,8

Ø54

2727 28,58,5

13,5

22,8

78,3

A A

12,5

4h9

45 45

X (106.8 (1 element) to 241.8 (5 elements))

EN 4. Assembly

29

4



Pump Weight of pump elements: 1) Element 1: 1.69 kg Element 2: 2.07 kg Element 3: 2.46 kg Element 4: 2.84 kg Element 5: 3.23 kg

GearboxDrive position A or BStep-down ratio 10.5:1


RA 3UA 01 A 42441 R 0001


Drive 3UA = Rotary with bevel gear

Step-down ratio 01 = 10.5:1

Drive position A or B



Design key 0001

Pump element 1

Pump element 5

EN4. Assembly

30

RA multiline pump, electric motor drive, coaxial, Fig. 7

4.3.4 Electric motor drive, coaxial

20,5 28,580

96

120

100

100

Ø 54

125

63

8Ø7 40

27

15

163,5

127,5

0,3

10,3

1

0,3

10,3

1

II

IV

III

I


View A

Terminal box

View A Positioning of

outlets I to IV

A

BC

D

0,3

10

,31

0,3

10

,31


A = Ultimate length: x+ 20 mmB = Installation clearance: 135mmC = Width: 200 mm D = Fan clearance: 15 mm

X (316 (1 element) to 424 (5 elements))

EN

IMPORTANT NOTE! To prevent air from accumulating at the fan, a clearance “D” of 15 mm must be provided.

4. Assembly

31

4



Pump Displacement per outlet and motor speed of 1360 rpm approx. 27.2 cm3/min Direction of rotation -see direction arrow

Weight of pump elements: Element 1: 7.05 kg, 2: 7.44 kg, 3: 7.82 kg, 4: 8.21 kg, 5: 8.59 kgMotorType/size IM B34/63 C90Type of voltage 3-phase AC voltageWeight 5.2 kg

Motor characteristics

Speed Frequency Rated

output

Rated

voltage

Rated

current

Order

code

[rpm] [Hz] [kW] [V] [A]

1500 50 0.18 230/400 1.13/0.65 AF1500 50 0.18 290/500 0.90/0.52 AK1500 50 0.18 400/690 0.65/0.38 AO

NoteThe motor specifications refer to three-phase motors from VEM. There may be differences with motors from other manufacturers.


RA 1M 00 / 44421 0001 AF 07


Drive 1M = Electric motor, coaxial

Step-down ratio 00 = 1:1


Design key 0001

Motor order code AF, AK, AO (motor ratings)

Motor protection class 07 = Protection class IP55 (EEx design on request)

Pump element 1

Pump element 5

EN4. Assembly

32

RA multiline pump, electric motor drive with coaxial gear, Fig. 8

4.3.5 Electric motor drive, with coaxial gear


A = Ultimate length: x +30 mmB = Installation clearance: 150 mmC = Width: 200 mmD = Fan clearance: 15 mm

IMPORTANT NOTE! To prevent air from accumu-lating at the fan, a clearance “D” of 15 mm must be provided.

II

��

��

I

125

Ø54

80Ø7

8

63

Ø15,2

A

B160

0,31

0,31

96

120

100

100

0,31

0,31

0,31

0,31

27 27 28,5

x

Outlet G 1/8"

A

View A


Inlet G 1/8"

AB

CD

0,31

0,31

The total weight of the pump is increased by 0.1 kg with cap prelubrication. For the design with cap prelubrication, the hand crank is included in the scope of delivery with the pump.

Risk of injury! Remove hand crank after prelubrication.

EN 4. Assembly

33

4


For general technical data, see page 25,“Technical data for Fig. 4.” PumpWeight of pump elements: Element 1: 7.05 kg, 2: 7.44 kg, 3: 7.82 kg, 4: 8.21 kg, 5: 8.59 kg

Displacement per outlet and motor speed of 1360 rpm

Step- down ratio

Length

A

Length

B

Displacement Operating pressure,

max.

[mm] [mm] [cm³/min] [bar]

5:1 110.5 131.5 Approx. 1.8 to approx. 5.44 63

15:1 120.5 141.5 Approx. 0.6 to approx. 1.81 63

25:1 120.5 141.5 Approx. 0.36 to approx. 1.09 50

75:1 131 152 Approx. 0.12 to approx. 0.36 20

125:1 131 152 Approx. 0.07 to approx. 0.21 10


output

Rated

voltage

Rated

current

Order

code

[rpm] [Hz] [kW] [V] [A]

1500 50 0.18 230/400 1.13/0.65 AF1500 50 0.18 290/500 0.90/0.52 AK1500 50 0.18 400/690 0.65/0.38 AO



RA 2M 15 / 421 D R 0001 AF 07


Drive 2M = Electric motor with coaxial gear

Step-down ratio 05 = 5:1, 15 = 15:1, 25 = 25:1, 75 = 75:1, 13 = 125:1


Cap prelubrication D = With cap prelubrication (direction of rotation can only be set to clockwise)

/ = Without cap prelubrication

Direction of rotation R = Standard: clockwise

Design key 0001


Motor protection class 07 = Protection class IP55

Pump element 1

Pump element 5

EN4. Assembly

34

RA multiline pump, electric motor drive with bevel gear, Fig. 9

4.3.6 Electric motor drive with bevel gear

Terminal box


A = Ultimate length: 300 mmB = Installation clearance: 200 mmC = Width: 150 mmD = Fan clearance: 15 mm


30120

120

100

100

96270

4080

22,8

IV

II

I

III

125

63

8

Ø7

15

100,5

20,5

27

0,3 10,31

0,3 10,31

Inlet G 1/8"

Outlet G 1/8"


0,3 10,31

0,3 10,31

A

BC

D

EN 4. Assembly

35

4



Pump Displacement per outlet and motor speed of 1360 rpm approx. 2.59 cm3/min

Direction of rotation -see direction arrowWeight of pump elements: Element 1: 6.90 kg, 2: 7.28 kg, 3: 7.67 kg, 4: 8.05 kg, 5: 8.44 kg

MotorType/size IM B34/63 C 90Type of voltage 3-phase AC voltage

Motor characteristics


output

Rated

voltage

Rated

current

Order

code

[rpm] [Hz] [kW] [V] [A]

1500 50 0.18 230/400 1.13/0.65 AF1500 50 0.18 290/500 0.90/0.52 AK1500 50 0.18 400/690 0.65/0.38 AO



RA 3M 01 / 44421 / 0001 AF 07


Drive 3M = Electric motor with bevel gear



Design key 0001



Pump element 1

Pump element 5

EN4. Assembly

36

RA multiline pump unit with 3-liter lubricant reservoir, Fig. 10

4.4 RA multiline pump units for oil with 3-, 7-, or 15-liter reservoir

80

20,5

17,5

22,8

22

37,5

Ø54

27

27

27

27

28,5

Ø54

L 55,8

87,5

AØ54

2720,5 27 2727 28,5

II

IV

III

I

63

110140

315

Ø6,4

100

110

26,5

13,5250178

~333

220

63

205

1M

2M

3M

B

C

A

X

X

X

4.4.1 RA multiline pump units with 3-liter reservoir

Terminal box

Inlet G 1/8"


Outlet G 1/8"


Filler socket

Fill level switch

With oil return

G 3/8" on request

Outlet G 1/8"

View A


A = Ultimate length: M1 270 + X +50 mm M2 270 + L + X + 100 mm M3 270 + 107 + 50 mmB = Installation clearance: M1 350 mm M2 350 mm M3 178 + 63 + 37.5 + X + 50 mmC = Width: 160 mm

Suction port

EN 4. Assembly

37

4


80

20,5

17,5

22,8

22

37,5

Ø54

27

27

27

27

28,5

Ø54

L 55,8

87,5

AØ54

2720,5 27 2727 28,5

II

IV

III

I

1M

2M

3M

B

C

A

Ø10

245

~420

83

53

151

3

286

100

300

320

8

65

X

X

X


Terminal box

Inlet G 1/8"


Outlet G 1/8"


Filler socket

Fill level switch

With oil return

G 3/8" on request

Outlet G 1/8"

View A


A = Ultimate length: M1 286 + 87.5 + X + 50 mm M2 286 + L + X + 100 mm M3 286 + 107 mmB = Installation clearance: M1 450 mm M2 450 mm M3 245 + 83 + 37.5 + X + 50 mmC = Width: 170 mm

Suction port

EN4. Assembly

38


80

20,5

17,5

22,8

22

37,5

Ø54

27

27

27

27

28,5

Ø54

L 55,8

87,5

AØ54

2720,5 27 2727 28,5

II

IV

III

I

1M

2M

3M

B

C

A

411

256

270

63

288

80192

48

366

145

X

X

X


Terminal box

Inlet G 1/8"


Outlet G 1/8"


Filler socket

Fill level switchWith oil return

G 3/8" on request

Outlet G 1/8"

View A


A = Ultimate length: M1 373.5 + X +50 mm M2 286 + L + X + 100 mm M3 393 +50 mmB = Installation clearance: M1 450 mm M2 450 mm M3 340 + X +50 mmC = Width: 300 mm

Suction port

EN 4. Assembly

39

4

Technical data for Figs. 10 to 12

General Mounting position HorizontalAmbient temperature –15 to +60°CFilling Via filler capFill level control With or without fill level switch

Pump Type Radial piston pumpOperating pressure See Fig. 21, page 61

Short-term pressure 100 barNumber of combinable pump elements Max. 5Outlets per pump element 1, 2, or 4Displacement adjustment per pump element Continuously variableDisplacement per outlet and motor speed of 1360 rpm † see table of step-down ratios

Lubricant Lubricant Mineral oil/ synthetic lubricants Temperature range –15 to +80°COperating viscosity 25 to 2500 mm2/s

MotorType/size IM B34/63 C 90Type of voltage 3-phase AC voltage

Technical data for Figs. 10 to 12

Gearbox Step-down ratio 1:1; 5:1; 10.5:1; 15:1; 25:1; 75:1; 125:1Reservoir Capacity 3, 7, or 15 litersDesign for 3 and 7 liters Polyamide, transparentDesign for 15 liters Aluminum

1) For synthetic lubricants on request.

EN4. Assembly

40

Motor ratings for Figs. 10 to 12


output

Rated

voltage

Rated

current

Order

code

[rpm] [Hz] [kW] [V] [A]

1500 50 0.18 230/400 1.13/0.65 AF

1500 50 0.18 290/500 0.90/0.52 AK

1500 50 0.18 400/690 0.65/0.38 AO


Step-down ratios for Figs. 10 to 12

Step-down ratio Length L Displacement Operating pressure per outlet, max. max. 1) [mm] [cm3/min] [bar]

1:1 87.5 approx. 27.2 635:1 110.5 approx. 5.44 6310.5:1 – approx. 2.59 6315:1 120.5 approx. 1.81 6325:1 120.5 approx. 1.09 5075:1 131 approx. 0.36 20125:1 131 approx. 0.22 10

1) See Fig. 21, page 61

Weights for Figs. 10 to 12

Description Weight [kg]

Motor 5.203 liter reservoir 1.70 7 liter reservoir 2.76 15 liter reservoir 8.00

Pump design Drive type 1M 1.48 Drive type 2M 2.76 Drive type 3M 1.33

per pump element 0.385

Cap prelubrication 0.10

Fill level switch 0.135

EN 4. Assembly

41

4

Explanation of order codes for Figs. 10 to 12

RAB 07 V 1M 00 / 2 1 4 2 4 / 0001 AF 07Type

Radial piston pump RA installed on reservoir

Reservoir capacity 03 = 3 liters; 07 = 7 liters; 15 = 15 liters

Fill level switch X = None;

V = With fill level switch for min. (reed contact)

Drive type 1M= Electric motor, coaxial; 2M= Electric motor, with coaxial gear;

3M = Electric motor, with bevel gear

Step-down ratio 00 = 1:1 (1M); 01 = 10.5:1 (3M); 05 = 5:1 (2M); 15 = 15:1 (2M); 25 = 25:1 (2M); 75 = 75:1 (2M); 13 = 125:1 (2M)

Attachment location A = On right side of reservoir (3M pump pointing upwards), / = On right side of reservoir (1M, 2M, 3M)

Number of outlet ports per pump element 1 = 1 outlet; 2 = 2 outlets; 4 = 4 outlets 1 to 5 pump elements (counted from drive)

Cap prelubrication D = With cap prelubrication, direction of rotation can only be set to clockwise (2M);

/ = None (1M, 2M, 3M)

Design key 0001

Motor order code AF, AK, AO(motor ratings table)


Pump element 5

Pump element 1

EN4. Assembly

42

RA multiline grease lubrication pump, rotary drive, with bevel gear and grease reservoir, Fig. 13

4.5.1 Rotary drive, with bevel gear and grease reservoir

Outlet G 1/8"


4.5 Grease lubrication pump port dimensions, assembly holes, and minimum mounting dimensions

II

IVf7

20

Ø11

22

7,5

8,5

III

I

105

90

0,1

25

+

47,8

-

78,5

Ø 60

8

B

Ø 54

27

27

53

15

13

Ø 160

12,5

4h9

A

A

0,3 10,31

0,3 10,31

0,3 10,31

D

Aca. 432

B

Shown transposed by 90°

Filler socket 3/8”

PG 11 Drive position A Drive position B

Appro

x. 3

97 (2 k

g re

serv

oir)

Appro

x. 1

83.5

(2 k

g re

serv

oir)

Appro

x. 4

32 (4.5

kg

rese

rvoi

r)

Appro

x. 2

58.5

(4.5

kg

rese

rvoi

r)

Section A-A

View B


A = Ultimate length: 150 mmD = Installation clearance: Ø 200 mm

EN 4. Assembly

43

4


For general technical data, see page 25,“Technical data for Fig. 4.”ReservoirReservoir capacity 2 or 4.5 kgFilling From above (through reservoir cap) or via filler socket Fill level control With or without fill level switch

Pump Number of stackable pump elements Max. 3 Drive speed 100 to 1800 rpmDirection of rotation Drive position A, counterclockwise Drive position B, clockwiseLubricant oil Greases based on mineral Synthetic greasesPenetration as per NLGI ≤2

GearboxStep-down ratio 10.5:1Drive position A or B

Weight for 4.5 kg reservoir with pump element 1) 1: 6.11 kg 2: 6.50 kg 3: 6.88 kg

1) Weight is reduced by 300 g with a 2 kg reservoir.


RA 20 F 3UA 01 B 442 / 0001


Reservoir capacity 20 = 2 kg; 45 = 4.5 kg

Fill level switch X = None; E = With 1 switching point; F = With 2 switching points (see page 55)

Drive 3UA = Rotary with bevel gear


Drive position A or B


Design key 0001

Pump element 1

Pump element 3

EN4. Assembly

44

D

A

B

120

100

96

100

863

125

Ø7

80

53

15

13

Ø 160

0,310,31

Electric motor drive, with coaxial gear and grease reservoir, Fig. 14

4.5.2 Electric motor drive, with coaxial gear and grease reservoir


A = Ultimate length: 150 mmD = Clearance 200 mm

Outlet G 1/8"

Shown transposed by 90°


PG 11

View B

L2 (2 k

g re

serv

oir)

L3 (4.5

kg

rese

rvoi

r)

183.5

(2 k

g re

serv

oir)

258.5

(4.5

kg

rese

rvoi

r)

View A

A

B

Displacement

Step-downratio Length L1 Length L2 Length L3 Displacement [mm] [mm] [mm] [cm³/min]

5:1 171.5 444 519 approx. 1.63 to 4.89

15:1 181.5 454 529 approx. 0.54 to 1.62

25:1 181.5 454 529 approx. 0.32 to 0.97

75:1 192 464.5 539.5 approx. 0.10 to 0.32

125:1 192 464.5 539.5 approx. 0.06 to 0.19

L1

EN 4. Assembly

45

4


For general technical data, see page 25,“Technical data for Fig. 4.”General Reservoir capacity 2 or 4.5 kg 1)Mounting position verticalAmbient temperature –15 to +60°CFilling From above (through reservoir cap) or via filler socket

Fill level control With or without fill level switch

Pump Type Radial piston pumpOperating pressure 63 barShort-term pressure 100 barNumber of combinable Pump elements Max. 3Outlets per pump element 1, 2, or 4Displacement adjustment pump element Continuously variableDisplacement per outlet and motor speed of 1360 rpm see displacement table, page 44

Lubricant Greases based on mineral oilTemperature range –15 to +80°CPenetration as per NLGI ≤2 2



Motor Type/size IM B34/63 C 90Type of voltage 3-phase AC voltageGearbox Step-down ratio 5:1; 15:1; 25:1; 75:1; 125:1

Weight for 4.5 kg reservoir with pump element 2) 1: 2.77 kg; 2: 13.15 kg; 3: 13.54 kg

Motor ratings for Fig. 14


output

Rated

voltage

Rated

current

Order

code

[rpm] [Hz] [kW] [V] [A]

1500 50 0.18 230/400 1.13/0.65 AF

1500 50 0.18 290/500 0.90/0.52 AK

1500 50 0.18 400/690 0.65/0.38 AO


EN4. Assembly

46


RA 20 F 2M 05 / 442 / 0001 AF 07




Pump element 1

Drive 2M =Electric motor with coaxial gear

Step-down ratio 05 = 1:115 = 15:1; 25 = 25:1; 75 = 75:1; 13 = 125:1

Number of outlet ports per pump element 1 = 1 outlet; 2 = 2 outlets; 4 = 4 outlets; 1 to 3 pump elements (counted from drive)

Design key 0001

Motor order code AF, AK, AO (for motor ratings, see motor ratings table)


Pump element 1

EN 4. Assembly

47

4

C

B

10

0

325270

12

0

10

0

8096

40

8

Ø7 120

63

12

5

IIIII

IVI

22

,8

12

12

72

7

Ø 160

0,3 10,31

0,3 10,31

0,3 10,31

AD

53

15

15

Electric motor drive, with bevel gear and grease reservoir, Fig. 15

4.5.3 Electric motor drive, with bevel gear and grease reservoir


A = Clearance: 400 mmB = Ultimate length: 4.5 kg reservoir 700 mm 2 kg reservoir 500 mmC = Clearance: 200 mmD = Clearance: ≥15 mm

Outlet G 1/8"

Shown transposed

by 90°


PG 11

441.5

(2

kg

rese

rvoi

r)

516.5

(4.5

kg

rese

rvoi

r)

183.5

(2 k

g re

serv

oir)

258.5

(4.5

kg

rese

rvoi

r)

View A


EN4. Assembly

48


For general technical data, see page 25,“Technical data for Fig. 4.”General Reservoir capacity 2 or 4.5 kg 1)Mounting position verticalAmbient temperature –15 to +60°CFilling From above (through reservoir cap) or via filler socket

Fill level control With or without fill level switch

Pump Type Radial piston pumpOperating pressure 63 barShort-term pressure 100 barNumber of combinable Pump elements Max. 3Outlets per pump element 1, 2, or 4Displacement adjustment pump element Continuously variableDisplacement per outlet and motor speed of 1360 rpm approx. 2.33 cm3/min

Lubricant Greases based on mineral oil Synthetic greasesTemperature range –15 to +80°CPenetration as per NLGI ≤2 2



Motor Type/size IM B34/63 C 90Type of voltage 3-phase AC voltage

Gearbox Step-down ratio 10.5:1

Weight for 4.5 kg reservoir with pump element 2) 1: 11.37 kg 2: 11.76 kg 3: 12.14 kg

Motor ratings for Fig. 15


output

Rated

voltage

Rated

current

Order

code

[rpm] [Hz] [kW] [V] [A]

1500 50 0.18 230/400 1.13/0.65 AF

1500 50 0.18 290/500 0.90/0.52 AK

1500 50 0.18 400/690 0.65/0.38 AO


EN 4. Assembly

49

4


RA 20 F 3M 05 / 442 / 0001 AF 07




Pump element 1

Drive 3M = Electric motor with bevel gear


Number of outlet ports per pump element 1 = 1 outlet; 2 = 2 outlets; 4 = 4 outlets; 1 to 3 pump elements (counted from drive)

Design key 0001

Motor order code AF, AK, AO (for motor ratings, see motor ratings table)


Pump element 1

EN4. Assembly

50

IMPORTANT NOTE


Drill assembly holes in such a way

that no lines, units, or moving

parts are damaged or their function

impaired. Maintain safety clea-

rances and comply with regula-

tions for assembly and accident

prevention.

4.6 Assembly of the RA multiline pump 4.6.1 Rotary multiline pump

• Carefully prepare the flanging surface

and assembly holes (2x Ø 6.5 mm) for the

respective RA pump.

• Set up the customer-provided adapter

(coupling) according to the shaft extensi-

ons of the RA pump.

• Clean the flanging surface.

)During subsequent assembly, it must be

possible to fit the shaft extension of the

RA pump into the coupling part (provided

by customer) without difficulty.

The mounting surface for the multiline

pump must be free of dust particles, machi-

ning chips, rust, and paint residue. If neces-

sary, clean this surface prior

to flanging.

) See Chapters 4.3.1 to 4.3.3

See Chapter 4.5.1

IMPORTANT NOTE

No radial or axial active forces may occur

at the shaft extension of the RA multiline

pump. The pump may only be commissi-

oned and operated with an oil/grease

supply; the pump must not run dry.

IMPORTANT NOTE


The grease pump must never be

put into operation without the re-

servoir cap fitted properly in place.

IMPORTANT NOTE

Never seal off outlets on the RA multiline

pump that are not required.

EN 4. Assembly

51

4

• If necessary, rotate the shaft extension of

the RA pump again according to the position

of the drive slot.

• Carefully place and align the RA pump on

the flanging surface.

• Insert cheese-head screws (2x, M6, re-

commended engagement depth 12 mm)

with lock washers into the installation

surface, apply to the RA pump and tighten

gently.

• Align the RA pump and tighten the chee-

se-head screws crosswise with the follo-

wing tightening torque.

Torque M6 = 10 ±2 Nm

)Tightening torque table from the fitting

manufacturer (suction and delivery screw

union)

• Apply the suction and delivery screw uni-

on to the RA multiline pump and tighten

with the specified torques.

• Check to make sure that the RA pump

runs smoothly by rotating the drive shaft

several times (turn the drive train by

hand).

4.6.2 Multiline pump unit in

foot design, type IM B34


See Chapters 4.5.2 to 4.5.3





to flanging.

• Set up the flanging surface and assembly

threads (M6) according to the respective

RA pump.


• Fastening material provided by customer

in corrosion-protected design:

o Hexagon head screws, 4x acc. to DIN EN

ISO 4017, M6, strength class 8.8

o Washers,4x acc. to ISO 7090, ID 6 mm,

strength class 200-HV

EN4. Assembly

52

4.6.3 Multiline pump units

with 3- and 7-liter reservoir






to flanging.

• Set up the flanging surface and assembly

threads (3-liter unit = M6, 7-liter unit =

M8) according to the respective RA pump.


• Fastening material provided by customer

in corrosion-protected design: 3-liter

unit

o Hexagon head screws (2x) acc. to DIN EN


o Washers,2x acc. to DIN ISO 7090, ID

6 mm, strength class 200-HV

7-liter unit

o Hexagon head screws (2x) acc. to DIN EN


o Washers,2x acc. to ISO 7090, ID 8 mm,

strength class 200-HV

• Carefully place and align the RA pump

unit on the flanging surface.

• Insert hexagon head screws into the

pump feet, apply the feet to thread of the

installation surface and tighten gently.

• Align the RA multiline pump unit, tighten

hexagon head screws with the following

tightening torque.


M8 = 18 ±2 Nm

• Apply the suction and delivery screw

union to the RA multiline pump unit and

tighten with the specified torques.

• Check to make sure that the RA multiline

pump unit runs smoothly.

• Carefully place and align the RA multiline

pump on the flanging surface.

• Insert hexagon head screws into the

pump feet, apply the feet to thread of the

installation surface and tighten gently.

• Align the RA multiline pump, tighten

hexagon head screws with the following

tightening torque.


• Apply the suction and delivery screw uni-

on to the RA multiline pump and tighten

with the specified torques.

• Check to make sure that the RA multiline

pump runs smoothly.

EN 4. Assembly

53

4

4.7 Electrical motor connection

Consult the motor's rating plate for the elec-

trical characteristics of the motor.

Observe the guidelines in EN 60034-1

(VDE 0530-1) for operation at the limits of

the ranges A (combination of ±5% voltage

deviation and ±2% frequency deviation) and

B (combination of ±10% voltage deviation

and +3/-5% frequency deviation). This ap-

plies especially with regard to deviations in

operating parameters from the ratings on

the motor's rating plate. The limits must

never be exceeded.

WARNING

Electric shock/damage to pump

motor

The available mains voltage

(supply voltage) must match the

speciications on the rating plate of

the motor or of the electrical com-

ponents. Check the fuse protection

of the electrical circuit.

Use only fuses with the prescribed

amperage,

Be sure to connect the motor so as to guaran-

tee a continuously safe electrical connection

(no protruding wire ends); use the assigned

cable end fittings (e.g. cable lugs, wire end

ferrules). Select connecting cables conforming

to DIN VDE 0100 taking into account the ra-

ted current and the conditions of the specific

system (e.g. ambient temperature, type of rou-

ting etc. in accordance with DIN VDE 0298 or

EC / EN 60204-1).

Details regarding electrical connection of the

Motor to the power supply, especially termi-

nal and connector pin assignment, can be

taken from the following motor data table

or customer drawing (if available).

WARNING

Electric shock

Electrical connections for the

product may only be established

by qualified and personnel autho-

rized to do so by the operator. The

electrical operating conditions and

local regulations (e.g., DIN, VDE)

must be observed.

EN4. Assembly

• Connect the pump unit motor according

to the specifications on the motor rating

plate and the motor characteristics.

54

WARNING

Damage to pump motor/pump

When establishing the electrical

connection of the pump motor, be

mindful of the correct direction of

rotation. The direction of rotation

must match the arrow on the

motor.

4.8 Assembly of electric fill level switches

• Connect the pump unit motor according

to the specifications on the motor rating

plate and the motor characteristics.

• Connect a suitable motor circuit breaker

(provided by customer).

• Check the direction of motor rotation ba-

sed on the rotation arrow and the directi-

on of motor fan impeller rotation.

IMPORTANT NOTE

To prevent the pump from running dry

and avoid a difficult restart (complete

venting of the system), the fill level switch

should be coupled to the machine control

unit.

IMPORTANT NOTE

Provide spark quenching if there is inductive

load.

EN 4. Assembly

55

4

4.8.1 Fill level switch for oil (V)

Fill level switch V

Design Min. monitoringContact voltage 10 – 42V AC/DCRated contact current 1 ALoad contact Change-over (reed contact)Connector plug DIN EN 175301-803-AProtection class of plug/socket IP65

4.8.2 Fill level switch for grease (E)

Fill level switch E

Design Reed contactSwitch design 1 switching point min. (changeover)Switching capacity, max. 60 W / VASwitching voltage, max. 230 V AC/DCConnector plug DIN EN 175301-803-AProtection class of plug/socket IP65

4.8.3 Fill level switch for grease (F)

Fill level switch F

Design Reed contactSwitch design 2 switching points (min. – max.)Switching current, max. 1 A with AC/DC1)Switching voltage, max. 42 V AC/DCConnector plug DIN EN 175301-803-AProtection class of plug/socket IP65

Wiring diagram for fill level switch V, Fig. 16

3

2

1

3

2

1

Switch position

at

minimum

Switch position

above

minimum

Wiring diagram for fill level switch E, Fig. 17

3

2

1

3

2

1

Switch position

at

minimum

Switch position

above

minimum

Wiring diagram for fill level switch F, Fig. 18

3

2

1

3

2

1

3

2

1

Switch position at

minimum

Switch position between

minimum and maximum

Switch position at

maximum

EN4. Assembly

56

4.9 Lubrication line arrangement

To ensure that the entire centralized lubrica-

tion system functions smoothly, observe the

following instructions when arranging the

suction line and the lubrication lines:

o To prevent cavitation and thus early failure

of the multiline pump, ensure that the

suction line is sufficiently large.

o The suction line and thus the suction per-

formance should be kept to a minimum

and the RA oil multiline pumps should be

under low admission pressure

(max. 1 bar).

o The lubricant lines must be dimensioned

in accordance with the maximum operating

pressure occurring in the RA multiline

pump used and the displacement of that

lubrication pump.

o If possible, the lubricant line should be

laid with a rising gradient from the RA

multiline pump and be ventable at the

highest point on the lubrication line

system.

o Lubricant feeders at the end of the main

lubricant line must be installed such that

the outlets of the lubricant feeders point

upwards. If the system configuration re-

quires that the lubricant distributors be

arranged below the main lubricant line,

they should not be placed at the end of

the main lubricant line.

o The pipes, hoses, shutoff valves, directional

control valves, fittings, etc. that will be

used must be designed for the maximum

operating pressure of the RA multiline

pump, the permissible temperatures, and

the lubricants that will be delivered. The

lubrication line system also needs to be

protected from excessive pressure by me-

ans of a pressure-limiting valve.

o All components of the lubrication line

system such as pipes, hoses, shutoff

valves, directional control valves, fittings,

etc. must be carefully cleaned before

assembly. No seals in the lubrication line

system should protrude inwards in a way

that disrupts the flow of the lubricant and

could allow contaminants to enter the

lubrication line system.

o Lubrication lines should always be

arranged so that air pockets cannot

form anywhere. Avoid changes in the

cross-section of the lubrication line from

small to large cross-sections in the di-

rection of flow of the lubricant. When the

cross-section does change, the transition

should be gentle.

o The flow of lubricant in the lubrication

lines should not be impeded by the incor-

poration of sharp bends, angle valves, or

flap valves. Unavoidable changes in the

cross-section in lubrication lines must

have smooth transitions. Sudden changes

of direction should be avoided if possible.

EN 4. Assembly

57

4

CAUTION

Slipping hazard

Centralized lubrication systems

must always be free of leaks. Lea-

king lubricant is hazardous due to

the risk of slipping and injury.

Beware of any lubricant leaking

out during assembly, operation,

maintenance, or repair of cent-

ralized lubrication systems. Leaks

must be sealed off without delay.

The venting procedure requires that the RA

multiline pump (Chapter 4.6) and the lubri-

cation feed line and lubrication lines

(Chapter 4.9) already be installed.

4.10 Venting the RA multiline pump and lubricant lines

CAUTION

Follow the safety instructions!

During the following startup of

the RA pump and subsequent

adjustment of the displacement

(Chapter 4.11), observe the safety

instructions from the manufactu-

rer of the machine/system into

which the RA pump has been

installed. Work on the RA pump

must not be performed within the

range of moving parts.

CAUTION

Operate only with properly

installed reservoir cap

RA multiline pumps with reservoir

may only be put into service with

a properly installed reservoir cap.

4.10.1 Venting the RA grease multiline

pump

)See Chapter 4.5

• Position the grease receiver tank below

the RA multiline pump.

• Open the grease lubricant reservoir.

• Fill the grease lubricant reservoir with

oil (viscosity class ISO VG 150 to ISO VG

420) up to about 1 cm above the bottom

strainer.

• Fill the grease lubricant reservoir with

grease up to the permitted level.

• Close the grease lubricant reservoir.

• Switch on the customer-provided drive/

RA pump motor and check the direction

of rotation.

• Loosen the union nuts of the outlet

screw unions on the first pump

element (viewed from the inlet).

EN4. Assembly

58

RA oil lubrication pumps often have a high

step-down ratio, resulting in a longer

venting phase. To prevent the pump from

possibly running dry (cavitating), the venting

procedure must be performed quickly.

• Position the oil receiver tank below the RA

multiline pump.

• Fill the oil reservoir with oil.

)The following step is necessary only on

pump designs where the fill level switch is

positioned above the pump.

• Loosen the vent plug (4), hexagon socket,

WAF 5.

• Leave the vent plug (4) open until the

discharging oil is free of bubbles.

If necessary:

• Switch on the customer-provided drive/

RA pump motor.

• Once the discharging oil is free of bub-

bles, tighten the union nut.

• Perform the venting procedure sequentially

on the following pump elements.

• Repeat the venting procedure at the end

of the respective lubrication lines.

• Switch on the customer-provided drive or

RA pump motor.

• Let the RA multiline pump run until the

discharging oil is free of bubbles.

• Tighten the vent plug (4).

• Loosen the union nuts of the outlet

screw unions.

• Once the discharging oil is free of

bubbles, tighten the union nuts.

• Repeat the venting procedure at the end

of the respective lubrication lines.

• Turn off the customer-provided drive/

RA pump motor.

4.10.2 Venting the RA oil multiline pump

) see Figure 19

EN 4. Assembly

59

4

4.11 Adjusting the displacement using displacement chart and continuous operating pressure

RA multiline pumps are factory-set to full

stroke. For oils and greases with a kinematic

viscosity of 140 mm2/s, the displacement

can be adjusted using the displacement

chart below (Fig. 20) as well as the conti-

nuous operating pressure chart (Fig. 21).

For oils and greases outside this viscosity

range, measurements must be obtained and

the displacement adjusted on their basis.

For adjustments to the displacement of

multiple pump elements, start at the first

pump element (as viewed from the inlet).

The individual pump elements can be set

to no less than 1/3 capacity (setting 0 =

approx. 1/3 capacity).

The adjusting plate (1) is adjusted when the

pump is at a standstill and after loosening

the two cap nuts. A locking pin (2) fitted

between the two rotation direction scales

prevents any accidental changes of rotation

direction.

The displacement of the RA pumps for oils

and greases (reference viscosity 140 mm2/s)

as a function of drive speed and gear ratio is

shown in Figure 20.

Figure 21 illustrates the achievable conti-

nuous operating pressure as a function of

operating viscosity and piston stroke rate.

Piston stroke rate Z =

The maximum operating pressure varies

according to the operating viscosity of the

lubricating medium and the given piston

stroke rate.

Restrictions apply to the permitted ope-

rating viscosity at piston stroke rates >

50 rpm.

Drive speed [n]

Gear ratio [l]

) see Figure 19

• Turn off the pump.

• Slightly loosen the cap nuts (2x).

• Adjust the adjusting plate (1) using the

rotation direction scale (3) according to

the following description, the displace-

ment chart, and the continuous operating

pressure chart (pages 60/61).

• Evenly tighten the cap nuts (2x) with a

torque of 8 Nm.

EN4. Assembly

60

Displacement chart, Fig. 20Pump element, Fig. 19

Rotation direction scale (3) for pump element,

pump rotation counterclockwise, clockwise

Adjusting plate (1)

Bore for tie-rod

with cap nut

Pin (2)

0 101

001

001

Vent

plug(4)

First pump

element

10 20 50 100 200 500 1000 1500

2000

cm3

min

+ou

tlet

cm3

min

+ou

tlet

Drive speed n [rpm]

Dis

pla

cem

ent/

low

er lim

it

Dis

pla

cem

ent/

upper

lim

it

EN 4. Assembly

61

4

Continuous operating pressure chart, Fig. 21

Kinematic viscosity v [mm2/s]

Max

. co

ntinuou

s op

erat

ing

pre

ssure

[bar

]

Piston stroke rate z (rpm)

EN4. Assembly

62

4.12 Note on the rating plate

The rating plate provides important

data such as type designation, order num-

ber, barcode, and serial number.

To avoid loss of this data in case the rating

plate becomes illegible, these characteristics

should be entered in the following Figure.

• Enter characteristics from rating plate in

Figure 22 below.

Characteristics from rating plate, Fig. 22

4.13 Information on CE marking

The CE marking is based on the require-ments of the applied Directives:

○ 2014/30/EC Electromagnetic

Compatibility

○ 2011/65/EU (RoHS II) Directive on the

restriction of the use of certain hazar-

dous substances in electrical and electro-

nic equipment

Note on Low-Voltage Directive 2014/35/EU

The protection objectives of the Low-Volta-

ge Directive 2014/35/EU are met in accor-

dance with Annex 1, No. 1.5.1 of Machinery

Directive 2006/42/EC.

Note on Pressure Equipment Directive

2014/68/EU

Due to its performance characteristics, the

product does not reach the limit values

defined in Article 4, Paragraph 1, Subpara-

graph (a) item (i) and is, pursuant to Article

4, Paragraph 3, excluded from the scope of

Pressure Equipment Directive 2014/68/EC.


Made in Germany

EN 4. Assembly

63

65

Operating instructions associated with assembly instructions

Multiline pumps of series RAfor SKF MultiFlex oil and grease multiline centralized lubrication systems

66

EN1. Safety instructions/ 2. Lubricants



2. Lubricants

IMPORTANT NOTE

The operator of the product described here

must ensure that the operating instructions

are read and understood by all persons

responsible for assembly, operation, main-

tenance, and repair of the product.

In addition to the operating instructions,

general statutory regulations and other

regulations for accident prevention and

environmental protection must be observed

and applied.

IMPORTANT NOTE

The lubricant notes listed in Chapter 2

"Lubricants" of the assembly instructions

also apply without restriction to these ope-

rating instructions.

1.2 Disclaimer of liability


shall not be responsible for damages:

o Caused by contaminated or unsuitable

lubricants

o Caused by the installation of non-original

SKF components or SKF spare parts

o Caused by non-designated use

o Resulting from improper assembly, con-

figuration, filling, direction of rotation and

setting

o Resulting from inadequate venting

o Resulting from improper response to

malfunctions

o Resulting from independent modification

of system components

o Incurred when using non-approved me-

dia; only media approved for these RA

multiline pumps can be used.

EN

67

2

3

1

EN 3. Delivery, returns, and storage EN

Do not top load / This side up

Keep dry

Handle with care, Do not drop

3.3.2 Electronic and electrical devices

o Dry and dust-free surroundings, storage

in well ventilated dry area

o Storage time: max. 24 months.

o Relative humidity: < 65%.

o Storage temperature: + 10 - +40°C.

o No direct sun or UV exposure

o Protected against nearby sources or heat

or cold

3.3.3 General notes

o The product(s) can be enveloped in plastic

film to provide low-dust storage

o Protect against ground moisture by storing

on a shelf or wooden pallet.

o Bare metallic surfaces must be protected

using anti-corrosion agents Check cor-

rosion protection every 6 months and

reapply if necessary

o Motors must be protected from mechanical

damage Do not store motors on the fan

cowl

3. Delivery, returns, and storage

Immediately after receipt, the delivery must

be checked for completeness according

to the shipping documents. Any transport

damage must be reported to the transport

company immediately. The packaging ma-

terial should be preserved until any discre-

pancies are resolved.

o Dry and dust-free surroundings, storage

in well ventilated dry area

o Storage time: max. 24 months.

o Relative humidity: < 65%.

o Storage temperature: + 10 - +40°C.

o No direct sun or UV exposure

o Protected against nearby sources or heat

or cold

3.1. Checking the delivery

3.2. Return shipments

WARNING


Do not drop the product.

3.3. Storage

3.3.1 Lubrication units

The following conditions apply to storage:

Before return shipment, all parts must be cleaned and properly packed (i.e., according to the requirements of the recipient country).

There are no restrictions for land, air, or

sea transport.

The following must be marked on the packaging of return shipments:

68

5. Commissioning

IMPORTANT NOTE

Observe the instructions from the machi-

ne manufacturer regarding the lubricants

that are to be used.

IMPORTANT NOTE

Only fill using clean lubricant and an

appropriate device. Contaminated lubri-

cants lead to system malfunctions. The lu-

bricant reservoir must be filled without in-

troducing bubbles.

IMPORTANT NOTE

Different lubricants must not be mixed to-

gether. Doing so can cause damage and

require costly and complicated cleaning of

the product/lubrication system. It is re-

commended that an indication of the lu-

bricant in use be attached to the lubricant

reservoir in order to prevent accidental

mixing of lubricants.

5.1 Commissioning

When delivered, the adjusting plates are set

to mark "1” = maximum volume. Do not re-

duce the delivery rate of the pump until the

RA multiline pump/system (assembly inst-

ructions, Chapter 4.10) has been completely

vented and shown to function properly (as-

sembly instructions, Chapter 4.11).

The product described here functions auto-

matically. The lubricant transport in the lu-

brication lines should, however, be subjec-

ted to regular visual inspection.

The lubricant fill level in the lubricant re-

servoir should be subjected to regular vi-

sual inspection. If the lubricant fill level is

too low, lubricant needs to be topped up.

IMPORTANT NOTE

Never seal off outlets on the RA multiline

pump that are not required!

4.1 Information on assembly

The assembly procedure for the product

is described in detail in the assembly inst-

ructions (Chapter 4) associated with these

operating instructions.

4. Assembly

EN 4. Assembly/5. Commissioning

WARNING


In the case of pumps with prelubri-

cation (and hand crank), make sure

the direction of rotation is correct.

Once the hand crank is pushed in,

it is connected to the pump shaft

via the free-wheeling mechanism;

prelubrication should therefore only

be performed when the pump

shaft is at a standstill. Otherwise

the hand crank will begin to move

in sudden jerks.

69

6

6.1 Temporary shutdown

The described product can be temporarily

shut down by disconnecting the electrical,

pneumatic, and/or hydraulic supply

connections. The safety instructions in these

assembly instructions must be observed

when doing so.

If the product is to be shut down for an

extended period of time, follow the instruc-

tions in Chapter 3, “Transport, delivery, and

storage” in these operating instructions.

To recommission the product, follow the in-

structions in the Chapter "Assembly" in the

assembly instructions.

6. Shutdown and disposal

6.2 Shutdown

If the RA multiline pump units will be per-

manently shut down, the local regulations

and laws regarding the disposal of conta-

minated equipment must be observed.

Lubricants can contaminate soil and

waterways.

4

5

EN

Note

Environmental pollution

Lubricants can contaminate soil

and waterways. Lubricants must

be used and disposed of properly.

Observe the local regulations and

laws regarding the disposal of

lubricants.

The product can also be returned to SKF

Lubrication Systems Germany GmbH for

disposal, in which case the customer is res-

ponsible for reimbursing the costs incurred.

The parts are recyclable.

6. Shutdown and disposal

70

WARNING

System pressure

Lubrication systems are pres-

surized during operation. Lubri-

cation systems must therefore


assembly, maintenance or repair


or system repairs.

EN 7. Maintenance

7. Maintenance

WARNING

Electric shock


beginning work.

Electrical connections for the pro-

duct may only be established by

qualified personnel authorized to

do so by the operator. The electri-

cal operating conditions and local

regulations (e.g., DIN, VDE) must

be observed.

WARNING

Hot surface

The hot surface of a motor may

cause burns. Motor surfaces may

only be touched with appropriate

gloves or after the motor has been

shut off for an extended time.

SKF products are low-maintenance. All

connections and fittings must be regularly

inspected for proper seating to ensure proper

function. If necessary, the product can be

cleaned using mild cleaning agents that

are compatible with the product's materials

(non-alkaline, non-soap).

For safety reasons, the product must be

disconnected from the power supply. Do not

allow any cleaning agent to enter the interi-

or of the product during cleaning.

It is normally not necessary to clean the in-

terior of the product.

The interior of the product must be cleaned

if incorrect or contaminated lubricant is ac-

cidentally filled into the product.

Contact the SKF Service department if this

occurs.


71

7

The RA radial piston pumps generally ope-

rate without maintenance.

o Upstream and downstream filters must

be cleaned in time or replaced on a regular

basis.

o Check the readings on visual and electrical

contamination indicators, if present.

o Dirt deposits on the surface of the motor

impair cooling and must be removed

regularly.

o Fill greases and oils only via the filler

socket.

o The RA pump operates without main-

tenance. However, increased wear can

occur if the two cap nuts are tightened

unevenly. This can be identified by re-

duced pump speed or sluggishness of the

pump shaft.

o When dismantling and assembling the

pump, especially the pump elements,

make sure all the components are positi-

oned and aligned correctly.

o Individual parts cannot be swapped out

from one pump element to another. It is

not possible to put them back in the right

positions afterward.

o If a synthetic oil is used as the pumped

fluid, consult the lubricant manufacturer

beforehand to find out whether it will cor-

rode the seals (Perbunan) and whether it

can be mixed with the previous lubricant.

o Following maintenance or repair work,

vent the RA multiline pump and the entire

lubrication system (see Chapter 4.10).

EN7. Maintenance

IMPORTANT NOTE

Only original SKF spare parts may be used.

Unauthorized alterations and the use of

non-original spare parts and accessories

are prohibited and nullify the statutory

warranty.

IMPORTANT NOTE

Only fill using clean lubricant. The purity of

the lubricants used is the decisive factor in

the service life of the pump and the lubri-

cated machinery elements.

Dismantling of the product or individual

parts thereof within the statutory warranty

period is prohibited and voids any claims.

72

8. Malfunctions, causes, and remedies

The following tables provide an overview

of possible malfunctions and their causes.

Contact the SKF Service department if you

cannot remedy the malfunction.

IMPORTANT NOTE

Only original SKF spare parts may be used.

Unauthorized alterations to products and

the use of non-original spare parts and

accessories are prohibited.

WARNING

System pressure

Lubrication systems are pres-

surized during operation. Lubri-

cation systems must therefore


assembly, maintenance or repair


or system repairs.

WARNING

Hot surface

The hot surface of a motor may

cause burns. Motor surfaces may

only be touched with appropriate

gloves or after the motor has been

shut off for an extended time.

8.1 Prior to beginning troubleshooting

In cases of functional failure, always make

sure that all technical specifications have

been complied with in the existing operating

conditions.

IMPORTANT NOTE

Dismantling of the product is prohibited

and voids any claims.

Defective products must be replaced. Only

SKF Service is capable of repairing them.

EN 8. Malfunctions, causes, and remedies

73

8

8.2 Commissioning, product, and system malfunctions

Malfunction Cause Remedy

No delivery and/or no pressure

o Pump not vented

o Motor stopped

o Pump elements set too low

o Viscosity too low/too high

o Speed too low

o Reservoir empty

• Loosen outlet screw unions on the pump body, set the adjusting

plate to "1", allow the pump to run until oil/grease without bub-

bles is discharged (assembly instructions, Chapter 4.10)

• Vent the pump (see Chapter 4.10 in the assembly instructions)

• Check the system voltage

• Pump shaft is stuck (distortion, wear)

• Set a higher delivery rate on the adjusting plate

• Use an approved oil viscosity

• Increase the speed

• Fill the reservoir, vent the RA multiline pump (Chapter 4.10)

Displacement and/or pressure too low

o Pump not vented

o The direction of rotation of the pump

shaft and the marking on the scale do

not match, or:

o Wrong direction of motor rotation

o Great difference in back pressures

o An unused outlet is sealed off

• See above

• Set the adjusting plate to another scale (Chapter 4.11)

(partial dismantling required)

• Check electrical connections and reverse if necessary

• Install screw unions with check valves

• Remove screw plug

• Increase intake pipe Ø or shorten suction line

• Fill with oil of permissible operating viscosity

Grease/oil level switch

o Please refer to separate instructions

EN8. Malfunctions, causes, and remedies

74

9. Accessories

Accessories (ordered separately)

Designation Dimensions Order No.

Union nut Ø 4-R 1/8" Ø 6-R 1/8"

44-0709-2040 44-0709-2041

Double tapered ring Ø 4 Ø 6

44-0405-2002 406-001

Straight male coupling

Ø 4-R 1/8" K Ø 6-R 1/8" K Ø 8-R 1/8" K

404-403W 406-423W 408-423W

Banjo fitting Ø 4-R 1/8" Ø 6-R 1/8" Ø 8-R 1/8"

96-7004-0058 96-7006-0058 96-7008-0058

GE screw union with check valve

Ø 4-R 1/8" K Ø 6-R 1/8" K

24-2103-2933 24-2103-2927

Banjo fitting with check valve

Ø 4-R 1/8" K Ø 6-R 1/8" K

24-2106-2016 24-2106-2017

Banjo fitting 1) Ø 6-R 1/8" 24-2106-2390

Pressure regulating valve 2) 1/8" 24-2103-3680

Pressure regulating valve 3) Ø 6-R 1/8" K 24-2103-3681

1) With additional connection thread for screwing pressure regulating valves in directly.

2) Up to 90 bar, without pipe connection for RA pumps operated for short periods.3) Up to 60 bar, with pipe connection for continuous duty.

SKF quick connectors

Adapter with cylindrical internal thread

Pipe Ø A Thread Order No.

4 G 1/8" 404-040-VS

6 G 1/8" 456-004-VS

Banjo fitting with cylindrical internal thread


4 G 1/8" 504-108-VS

6 G 1/8" 506-108-VS

Elbows with cylindrical internal thread


4 G 1/8 taper 514-018-VS

6 G 1/8 taper 506-511-VS

Note

For further detailed information about SKF quick connectors

and related tools, see our brochure on quick connector systems,

brochure No. 1-0103-1.

EN 9. Accessories

75

10

10. Spare parts

Pump element With 1 outlet With 2 outlets With 4 outlets

24-1557-3520 24-1557-3521 24-1557-3522

Stud bolt (tie-rod) for gear ratios 1:1 and 10.5:11)

For 1 pump element For 2 pump elements For 3 pump elements For 4 pump elements For 5 pump elements

44-0717-2060 44-0717-2061 44-0717-2062 44-0717-2063 44-0717-2064

Stud bolt (tie-rod) for gear ratios 5:1 and 125:11)

For 1 pump element For 2 pump elements For 3 pump elements For 4 pump elements For 5 pump elements

44-0717-2069 44-0717-2070 44-0717-2071 44-0717-2072 44-0717-2073

Washer 6.4 DIN 1251) DIN 125-B6.4-ST

Nut M 6 DIN 9341) DIN 934-M6-8

Cap, complete 24-0413-3490

vent plug 466-431-001

Cap nut M6-DIN 9171) 95-0006-0917

Designation Order No.

Rotary drive, coaxial 1:1 24-0701-3000

Coaxial 5:1 24-0701-3070

Coaxial 5:1 with prelubrication 24-0701-3080

Coaxial 15:1 24-0701-3071


Coaxial 25:1 24-0701-3072


Coaxial 75:1 24-0701-3073


Coaxial 125:1 24-0701-3074


Bevel gear Drive position A 10.5:1 Drive position B 10.5:1

24-0701-3001 24-0701-3002

Spacer ring (only with gear ratio 1:1)

24-1721-2000


1) Two required per pump

9

EN10. Spare parts

76


Electric motor, order code AF Electric motor, order code AK Electric motor, order code AO

On request

Cheese-head screw2) M5x16 DIN 912 DIN 912-M5x16-8.8

Grease reservoir ( 2kg) Without fill level switch With fill level switch E With fill level switch F

24-0254-2312 24-0254-2334 24-0254-2330

Grease reservoir ( 4.5kg) Without fill level switch With fill level switch E With fill level switch F

24-0254-2310 24-0254-2335 24-0254-2331

Spare parts (ordered separately)

Rotary drive, with bevel gear and grease reservoir


Bevel gear Drive position A 10.5:1 Drive position B 10.5:1

24-0701-3001 24-0701-3002

Spacer ring (only with gear ratio 1:1)

24-1721-2001

Pump element

With 1 outlet With 2 outlets With 4 outlets

24-1557-3520 24-1557-3521 24-1557-3522

Stud bolt1)

pump element For 2 pump elements For 3 pump elements

44-0717-2070 44-0717-2071 44-0717-2072

Washer 6.4 DIN 1251) DIN 125-B6.4-ST

Nut M 6 DIN 9341) DIN 934-M6-81) Two required per pump

EN 10.Spare parts

10

skf.com


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Tel. +49 (0)62 05 27-0

Fax +49 (0)62 05 27-101



Motzener Strasse 35/37 · 12277 Berlin · Germany

PO Box 970444 · 12704 Berlin · Germany

Tel. +49 (0)30 72002-0

Fax +49 (0)30 72002-111


The Power of Knowledge EngineeringOver the course of more than a century, SKF has specialized in five fields of competence and acqui-red a wide range of application expertise. We utilize this experience to provide innovative solutions to OEMs and other manufacturers in practically all industrial sectors worldwide. Our five fields of com-petence are: bearings and bearing units, seals, mechatronics (combining mechanical and electronic components to improve the performance of classic systems), and extensive services from 3-D com-puter stimulations and modern condition monitoring systems for high reliability to system manage-ment. SKF is a leading global company and guarantees its customers uniform quality standards and global product availability.

Important information on product usage All products from SKF may be used only for their intended purpose as described in this bro-chure and the operating instructions. Should operating instructions be supplied together with the products, they must be read and followed.

Not all lubricants can be fed using centralized lubrication systems. SKF can, on request, inspect the suitability of the lubricant selected by the user for pumping in centralized lubrication systems. Lubrication systems and their components manufactured by SKF are not approved for use in con-junction with gases, liquefied gases, pressurized gases in solution, vapors, or such fluids whose vapor pressure exceeds normal atmospheric pressure (1 013 mbar) by more than 0.5 bar at their maxi-mum permissible temperature.Hazardous materials of any kind, especially the materials classified as hazardous by CLP Regulation EC 1272/2008 may only be used to fill SKF centralized lubrication systems and components and deliv-ered and/or distributed with the same after consulting with and receiving written approval from SKF.

Bearingsand Bearing

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951-170-230-EN April 2016

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Assembly instructions acc. to EN Multiline pumps of series RA...for SKF MultiFlex oil and grease...

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