LKHservice CSI

Instruction ManualLKH Centrifugal Pump

ESE00698-EN13 2009-12

Original manual

Table of contents

The information herein is correct at the time of issue but may be subject to change without prior notice

1. EC Declaration of Conformity .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

2. Safety .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62.1. Important information ... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62.2. Warning signs ... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62.3. Safety precautions ... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

3. Installation .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83.1. Unpacking/Delivery .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83.2. Installation .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93.3. Pre-use check - Pump without/with impeller screw .... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

4. Operation .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114.1. Operation/Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114.2. Fault finding .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134.3. Recommended cleaning .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

5. Maintenance ... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155.1. General maintenance ... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155.2. Dismantling of pump/shaft seals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175.3. Assembly of pump/single shaft seal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 195.4. Assembly of pump/flushed shaft seal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 215.5. Assembly of pump/double mechanical shaft seal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 235.6. Adjustment of shaft (LKH-5) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 255.7. Adjustment of shaft (LKH-10 to -90) .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 275.8. Cleaning Procedure .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

6. Technical data .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 306.1. Technical data ... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 306.2. Relubrication Intervals .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 316.3. Addendum .... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

7. Parts list and Service Kits .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 337.1. LKH-5 Sanitary Version ... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 337.2. LKH-10, -15, -20, -25, -35, -40, -50, -60 Sanitary Version .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 347.3. LKH-70 - 90 Sanitary Version .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 357.4. LKH-5 Centrifugal Pump Single, Flushed and Double Mechanical Shaft Seal . . . . . . . . . . . . . . 367.5. LKH-10 Centrifugal Pump Single, Flushed and Double Mechanical Shaft Seal . . . . . . . . . . . . 387.6. LKH-15 Centrifugal Pump Single, Flushed and Double Mechanical Shaft Seal . . . . . . . . . . . . 407.7. LKH-20 Centrifugal Pump Single, Flushed and Double Mechanical Shaft Seal . . . . . . . . . . . . 427.8. LKH-25 Centrifugal Pump Single, Flushed and Double Mechanical Shaft Seal . . . . . . . . . . . . 447.9. LKH-35 Centrifugal Pump Single, Flushed and Double Mechanical Shaft Seal . . . . . . . . . . . . 467.10.LKH-40 Centrifugal Pump Single, Flushed and Double Mechanical Shaft Seal . . . . . . . . . . . . 487.11.LKH-45 Centrifugal Pump Single, Flushed and Double Mechanical Shaft Seal . . . . . . . . . . . . 507.12.LKH-50 Centrifugal Pump Single, Flushed and Double Mechanical Shaft Seal . . . . . . . . . . . . 527.13.LKH-60 Centrifugal Pump Single, Flushed and Double Mechanical Shaft Seal . . . . . . . . . . . . 547.14.LKH 5-60 Centrifugal Pumps, Shaft Seals ... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 567.15.LKH-70 Centrifugal Pump Single, Flushed and Double Mechanical Shaft Seal . . . . . . . . . . . . 587.16.LKH-75 Centrifugal Pump Single, Flushed and Double Mechanical Shaft Seal . . . . . . . . . . . . 607.17.LKH-80 Centrifugal Pump Single, Flushed and Double Mechanical Shaft Seal . . . . . . . . . . . . 627.18.LKH-85 Centrifugal Pump Single, Flushed and Double Mechanical Shaft Seal . . . . . . . . . . . . 64

3

Table of contents

The information herein is correct at the time of issue but may be subject to change without prior notice

7.19.LKH-90 Centrifugal Pump Single, Flushed and Double Mechanical Shaft Seal .. . . . . . . . . . . 667.20.LKH-70, LKH-75, LKH-80, LKH-85 and LKH-90 Centrifugal Pump, Shaft Seal . . . . . . . . . . . 68

4

1 EC Declaration of Conformity

The designated company

Alfa LavalCompany Name

Albuen 31, DK-6000 Kolding, DenmarkAddress

+45 79 32 22 00Phone No.

hereby declare that

Pump LKHDenomination Type Year

is in conformity with the following directives with amendments:- Low Voltage Directive 2006/95/EC- EMC Directive 2004/108/EC- Machinery Directive 2006/42/EC

The technical construction file is retained at the above address

Manager, Product Center Fluid Handling Bjarne SndergaardTitle Name

Alfa Laval KoldingCompany Signature

Designation

5

2 Safety

Unsafe practices and other important information are emphasized in this manual.Warnings are emphasized by means of special signs.Always read the manual before using the pump!

2.1 Important information

WARNINGIndicates that special procedures must be followed to avoid severe personal injury.

CAUTIONIndicates that special procedures must be followed to avoid damage to the pump.

NOTEIndicates important information to simplify or clarify procedures.

2.2 Warning signs

General warning:

Dangerous electrical voltage:

Caustic agents:

Recycling information. Unpacking

- Packing material consists of wood, plastics, cardboard boxes and in some cases metal straps.- Wood and cardboard boxes can be reused, recycled or used for energy recovery.- Plastics should be recycled or burnt at a licensed waste incineration plant.- Metal straps should be sent for material recycling.

Maintenance

- During maintenance oil and wear parts in the machine are replaced.- All metal parts should be sent for material recycling.- Worn out or defective electronic parts should be sent to a licensed handler for material recycling.- Oil and all non metal wear parts must be taken care of in agreement with local regulations.

Scrapping

- At end of use, the equipment shall be recycled according to relevant, local regulations. Beside the equipment itself, anyhazardous residues from the process liquid must be considered and dealt with in a proper manner. When in doubt, or in theabsence of local regulations, please contact the local Alfa Laval sales company.

6

2 Safety

All warnings in the manual are summarized on this page.Pay special attention to the instructions below so that severe personal injury and/or damage to the pump are avoided.

2.3 Safety precautions

Installation:

Always read the technical data thoroughly. (See chapter 6 Technical data)Always use a lifting crane when handling the pump.

Pump without impeller screw:Always remove the impeller before checking the direction of rotation.Never start the pump if the impeller is fitted and the pump casing is removed.

Pump with Impeller screw:Never start in the wrong direction of rotation with liquid in the pump.Always have the pump electrically connected by authorized personnel.

Always have the pump electrically connected by authorized personnel. (See the motor instruction)

Operation:

Always read the technical data thoroughly. (See chapter 6 Technical data)Never run the pump when partially installed or not completely assembledNecessary precautions must be taken if leakage occurs as this can lead to hazardous situationsNever touch the pump or the pipelines when pumping hot liquids or when sterilising.Never run the pump with both the suction side and the pressure side blocked.

Always handle lye and acid with great care.

Maintenance:

Always read the technical data thoroughly. (See chapter 6 Technical data)Never service the pump when it is hot.The pump and the pipelines must nnever be pressurised when the pump is serviced.

Motors with grease nipples:Remember lubrication according to information plate/label on the motor.

Always disconnect the power supply when servicing the pump.

Transportation:Transportation of the pump or the pump unit:Never lift or elevate in any way other than described in this manualAlways drain the pump head and accessories of any liquidAlways ensure that no leakage of lubricants can occurAlways transport the pump in its upright positionAlways ensure that the unit is securely fixed during transportationAlways use original packaging or similar during transportation

7

3 Installation

The instruction manual is part of the delivery. Study the instructions carefully.The large pump sizes are very heavy.Alfa Laval therefore recommends the use of a lifting crane when handling the pump.

3.1 Unpacking/Delivery

Step 1Always use a lifting crane when handling the pump (see technicaldata).

CAUTIONAlfa Laval cannot be held responsible for incorrect unpacking.

Check the delivery for:1. Complete pump.2. Delivery note.3. Motor instructions.

Step 2Remove possible packing materials from the inlet and the outlet.Avoid damaging the inlet and the outlet.Avoid damaging the connections for flushing liquid, if supplied.

TD 200-120_1

Removepacking

materials!

Caution!

Step 3Inspect the pump for visible transport damages.

Inspection!

TD 200-120_1

Step 4Always remove the shroud, if fitted, before lifting the pump.

Remove the shroud before lifting!

Step 5ONLY LKH-85 and LKH-90Do NNOT use eyebolt in casing to lift the pump. The eyebolt isonly for casing removal.

8

3 Installation

Study the instructions carefully and pay special attention to the warnings! Always check the pump before operation.- See pre-use check in section 3.3 Pre-use check - Pump without/with impeller screw.The large pump sizes are very heavy. Alfa Laval therefore recommends the use of a lifting crane when handling the pump.

3.2 Installation

Step 1

Always read the technical data thoroughly.(See chaper 6 Technical data)

Always use a lifting crane when handling the pump.(See chaper 6 Technical data)

Always have the pump electrically connected byauthorized personnel.(see the motor instructions).CAUTIONAlfa Laval cannot be held responsible for incorrectinstallation.

Step 2Ensure at least 0.5 m (1.6 ft) clearance around the pump.

Step 3Check that the flow direction is correct.O: OutletI: Inlet

Correct!

SStep 41. Ensure that the pipelines are routed correctly.2. Ensure that the connections are tight.

Remember seal rings!

Few bendsCorrect!

SStep 5Avoid stressing the pump.Pay special attention to:- Vibrations.- Thermal expansion of the tubes.- Excessive welding.- Overloading of the pipelines.

9

3 Installation

Study the instructions carefully and pay special attention to the warnings!LKH-5 to -60 is without impeller screw as standard but can be supplied with one.Check the direction of rotation of the impeller before operation.- See the indication label on the pump.

3.3 Pre-use check - Pump without/with impeller screw

Step 1

Always remove the impeller before checking the direction ofrotation.

Never start the pump if the impeller is fitted and the pump casingis removed.1.

A. LKH-5: Remove screws (56), spring washers (56a), clamps(55+55a) and pump casing (29).

B. LKH-10 to -90: Remove cap nuts (24), washers (24a) andpump casing (29).

2. Remove impeller (27) (see also instruction in section 5.3Assembly of pump/single shaft seal).

SStep 21. Start and stop the motor momentarily.2. Ensure that the direction of rotation of the stub shaft (7) is

anticlockwise as viewed from the inlet side.

See the indication label!

Correct!

Stub shaft

Step 3Fit and tighten impeller (27).

SStep 41. Fit pump casing (29).2.

A. LKH-5: Fit clamps (55+55a), spring washers (56a) andtighten screws (56)

B. LKH-10 to -90: Fit washers (24a) and tighten cap nuts (24),according to torque values in chapter 6.3 Addendum

Step 1Pump with impeller screw

Never start in the wrong direction of rotation with liquid in thepump.1. Start and stop the motor momentarily.2. Ensure that the direction of rotation of the motor fan is

clockwise as viewed from the rear end of the motor.

See the indication label!

Correct

View from rear end ofmotor

10

4 Operation

Study the instructions carefully and pay special attention to the warnings!The pump is fitted with a warning label indicating correct throttling

4.1 Operation/Control

Step 1

Always read the technical data thoroughly.See chapter 6 Technical data

CAUTIONAlfa Laval cannot be held responsible for incorrectoperation/control.

Step 2

Never touch the pump or the pipelines when pumping hot liquidsor when sterilising.

Burning danger!

Step 3

Never run the pump with both the suction side and the pressureside blocked.

Explosion danger!

SStep 4CAUTIONThe shaft seal must not run dry.

CAUTIONNever throttle the inlet side.

Do not run dry! See the warninglabel!

Correct!

TD 200-129_1

Wrong

11

4 Operation

Study the instructions carefully and pay special attention to the warnings!The pump is fitted with a warning label indicating correct throttling

Step 5

Flushed shaft seal:1. Connect the inlet of the flushing liquid correctly.2. Regulate the water supply correctly.3. Observe the steam data.

For LKH-85: connect inlet/outlet of the flushing liquid directlyon the flushing housing.

O: Free outletI: Inlet

Correct!

R 1/8 (BSP)

O

ITmax = 100C

Pmax = 1 bar

TD 200-130_1

SStep 6Control:Reduce the capacity and the power consumption by means of:

- Throttling the pressure side of the pump.- Reducing the impeller diameter.- Reducing the speed of the motor.

Throttling!

12

4 Operation

Pay attention to possible faults.Study the instructions carefully.

4.2 Fault finding

NOTE!Study the maintenance instructions carefully before replacing worn parts. - See section 5.1 General maintenance

Problem Cause/result Remedy

Overloaded motor - Pumping of viscous liquids - Larger motor or smaller impeller- Pumping of liquids with high density- Low outlet pressure (counter pressure) - Higher counter pressure (throttling)- Lamination of precipitates from the

liquid- Frequent cleaning

Cavitation:- Damage - Low inlet pressure - Increase the inlet pressure- Pressure reduction (sometimes to

zero)- High liquid temperature - Reduce the liquid temperature

- Increasing of the noise level - Reduce the pressure drop before thepump

- Reduce speed

Leaking shaft seal - Dry run (See 4.1 Operation/Control) Replace:All wearing parts (See 5.1 Generalmaintenance)

- Incorrect rubber grade If necessary:- Change rubber grade

- Abrasive particles in the liquid - Select stationary and rotating seal ringin Silicon Carbide/Silicon Carbide

Leaking seals Incorrect rubber grade Replace with seals of a different rubbergrade

13

4 Operation

The pump is designed for cleaning in place (CIP). CIP = Cleaning In Place.Study the instructions carefully and pay special attention to the warnings!NaOH = Caustic Soda.HNO3 = Nitric acid.

4.3 Recommended cleaning

Step 1

Always handle lye and acid with great care.

Caustic danger!

Always use rubber gloves! Always use protectivegoggles!

Step 2

Never touch the pump or the pipelines when sterilizing.

Burning danger!

Step 3

Examples of cleaning agents: Use clean water, free fromchlorides.1. 1% by weight NaOH at 70C (158F).

1 kg (2.2 lb) + 100 l (26.4 gal) = Cleaning agent.NaOH water

2.2 l (0.6 gal) + 100 l (26.4 gal) = Cleaning agent.33%NaOH water

2. 0.5% by weight HNO3 at 70C (158F).0.7 l (0.2 gal) + 100 l (26.4 gal) = Cleaning agent.53% HNO3 water

Step 41. Avoid excessive concentration of the cleaning agent

Dose gradually!2. Adjust the cleaning flow to the process

Sterilization of milk/viscous liquidsIncrease the cleaning flow!

Step 5

Always rinse well with clean water after using a cleaning agent.

NOTEThe cleaning agents must be stored/disposed of in accordancewith current rules/directives.

Always rinse!

Water Cleaning agent

14

5 Maintenance

Maintain the pump carefully. Study the instructions carefully and pay special attention to the warnings!Always keep spare shaft seals and rubber seals in stock.See separate motor instructions.Check the pump for smooth operation after service.

5.1 General maintenance

Step 1

Always read the technical data thoroughly.(See chaper 6 Technical data)

Always disconnect the power supply when servicing the pump.

NOTEAll scrap must be stored/discharged in accordance with currentrules/directives.

Step 2

Never service the pump when it is hot.

Burning danger!

Step 3

Never service the pump with pump and pipelines under pressure.

CAUTIONFit the electrical connections correctly if they have been removedfrom the motor during service.(see 3.3 Pre-use check - Pump without/with impeller screw)

CAUTIONPay special attention to the warnings!

Atmospherie pressurerequired!

Step 4Recommended spare parts:Service kits (see chapter 7 Parts list and Service Kits).Order Service Kits from Service kits list (see chapter 7 Parts listand Service Kits).

Ordering spare partsContact the Sales Department.

15

5 Maintenance

Maintain the pump carefully. Study the instructions carefully and pay special attention to the warnings!Always keep spare shaft seals and rubber seals in stock.See separate motor instructions.Check the pump for smooth operation after service.

Shaft seal Rubber seals Motor bearings

Preventive maintenance RReplace after 12 months:(one-shift) Complete shaft seal

Replace when replacing theshaft seal

Maintenance after leakage(leakage normally starts slowly)

Replace at the end of theday: Complete shaft seal


Planned maintenance - Regular inspection forleakage and smoothoperation

- Keep a record of the pump- Use the statistics for

planning of inspections

Replace after leakage:Complete shaft seal


Yearly inspection isrecommended- Replace complete bearing

if worn- Ensure that the bearing is

axially locked (See motorinstructions)

Lubrication BBefore fittingLubricate the O-rings withsilicone grease or silicone oil

Before fittingSilicone grease or silicone oil

See section 6.2 RelubricationIntervals

Pre-use checkCAUTION!Fit the electrical connections correctly if they have been removed from the motor during service. (See 3.3 Pre-use check -Pump without/with impeller screw).Pay special attention to warnings!1. Start and stop the motor momentarily2. Ensure that the pump operates smoothly.

16

5 Maintenance

Study the instructions carefully. The items refer to the parts list and service kits section.Handle scrap correctly.: Relates to the shaft seal.

5.2 Dismantling of pump/shaft seals

Step 11.

A. LKH-5: Remove screws (56), spring washers (56a), clamps(55+55a) and pump casing (29).

B. LKH-10 to 90: Unscrew cap nuts (24) and remove washers(24a) and pump casing (29).

LKH-85 and LKH-90

SStep 2Flushed / Double Mechanical shaft seal:Unscrew tubes (42) using a spanner.

SStep 3Remove screw (23) and safety guard (22).

Step 41. Remove impeller screw (36), if fitted.2. Remove impeller (27). If necessary, loosen the impeller by

knocking gently on the impeller vanes.3. Remove the O-ring (38) from the impeller, if fitted.

Counterholdwith ascrewdriver!

If necessary!

SStep 51. Pull off the O-ring (26) from back plate (25).2. Unscrew nuts (20) and remove washers (21) and the back plate.

17

5 Maintenance


Step 61. Remove the stationary seal ring (11).2. Remove the O-ring (12) from back plate (25).

Use the toolsupplied

TD 200-462

Left handthread!

SStep 7Flushed shaft seal:1. Remove screws (41) and seal housing (40).2. Pull out lip seal (43) from the seal housing.

TD 200-390_1

Step 8Double mechanical shaft seal:1. Remove screws (41) and seal housing (40a).2. Remove rotating seal rings (14) and drive ring (52) from spring

(13).3. Remove O-rings (15) from rotating seal rings (14).4. LKH-70 to 90: Remove cups (54) from rotating seal rings.

SStep 9Double mechanical shaft seal:1. Remove stationary seal ring (51) from seal housing (40a).2. Remove O-ring (50) from stationary seal ring (51).3. Remove O-ring (44) from seal housing (40a).

TD 200-391_1

Step 101. Remove the complete shaft seal from stub shaft (7).2. Remove spring (13) and rotating seal ring (14) from the drive

ring (10).

TD 234-021_1

18

5 Maintenance


5.3 Assembly of pump/single shaft seal

Step 11. Remove spring (13).

NOTE!Make sure that O-ring (15) has max. clearance from the sealingsurface.

SStep 21. Refit spring (13) on rotating seal ring (14).2. Fit the spring and the rotating seal ring on drive ring (10).

CAUTIONEnsure that the driver on the drive ring enters the notch in therotating seal ring. TD 200-393_1

SStep 3Fit the complete shaft seal on stub shaft (7).

NOTE!Make sure that connex pin (8) on the stub shaft enters the notch indrive ring (10).

Step 41. Fit O-ring (12) on stationary seal ring (11) and lubricate.2. Screw the stationary seal ring into back plate (25).

CAUTIONOnly tighten by hand to avoid deforming the stationary seal ring.(Max 7Nm/5 lbf-ft)

Use the toolsupplied

TD 200-462

Left handthread!

SStep 51. Clean the sealing surfaces with contact cleaner before fitting

back plate (25).2. Carefully guide the back plate onto adaptor (16).3. Fit washers (21) and nuts (20).

TD 234-009_1

Step 6Lubricate O-ring (26) and slide it onto back plate (25).

TD 234-026_1

19

5 Maintenance


Step 71. Lubricate O-ring (38) and fit it in impeller (37), if impeller screw

is used.2. Lubricate impeller hub with silicone grease or oil.3. Screw the impeller onto stub shaft (7).4. Fit impeller screw (39) and tighten, if used.Torque - 5-60 = 20 Nm (7.4 lbf-ft)Torque - 70-90 = 50 Nm (37 lbf-ft)

SStep 8Fit safety guards (22) and screw (23) and tighten.

Step 91.

A. LKH-5: Fit pump casing (29), clamps (55+55a), springwashers (56a) and screws (56).

B. LKH-10 to-90: Fit pump casing (29), washers (24a) andcap nuts (24).

2. Adjust pump casing to the right position.3.

A. LKH-5: Tighten nuts (20) for back plate (25) and tightenscrews (56).

B. LKH-10 to -90: Tighten nuts (20) for back plate (25) andtighten cap nuts (24), according to torque values in chapter6.3 Addendum.

LKH-85 and LKH-90

20

5 Maintenance

Study the instructions carefully. The items refer to the parts list and service kits section.Lubricate the rubber seals before fitting them.: Relates to the shaft seal.

5.4 Assembly of pump/flushed shaft seal

Step 1Flushed shaft seal :LKH-5 to -60 use 63mm tubeLKH-70 to -90 press in lip seal by hand1. Fit lip seal (43) in seal housing (40).2. Lubricate O-ring (44) and slide onto the seal housing (40).3. Fit the seal housing on back plate (25) and tighten screws (41).

Use 63 mm tube!

Step 21. Lubricate O-ring (45) and fit it in drive ring (10).2. Fit spring (13) and rotating seal ring (14) on the drive ring.

CAUTIONEnsure that the driver on the drive ring enters the notch in therotating seal ring. TD 200-393_1

SStep 3Fit complete shaft seal on stub shaft (7) so that connex pin (8) onthe stub shaft enters the notch in drive ring (10).

Step 41. Carefully guide back plate (25) onto adaptor (16).2. Fit washers (21) and nuts (20).

TD 234-027_1


TD 234-026_1


is used.2. Lubricate the impeller hub with silicone grease or oil.3. Screw impeller (27) onto stub shaft (7).4. Fit impeller screw (36) and tighten, if used.Torque - 5-60 20 Nm (7.4 lbf-ft)Torque - 70-90 50 Nm (37 lbf-ft)

21

5 Maintenance


Step 71. Screw tubes (42) into seal housing (40).2. Tighten with a spanner.

TD 234-017_1

Step 8Fit safety guard (22) and screw (23) and tighten.

Step 91.

A. LKH-5: Fit pump casing (29), clamps (55+55a), springwashers (56a) and screws (56).

B. LKH-10 to-90: Fit pump casing (29).2. Tighten nuts (20) for back plate (25).3.

A. LKH-5: Tighten nuts (20) for back plate (25) and tightenscrews (56).

B. LKH-10 to -90: Fit washers (24a) and cap nuts (24)and tighten, according to torque values in chapter 6.3Addendum. LKH-85 and LKH-90

22

5 Maintenance


5.5 Assembly of pump/double mechanical shaft seal

Step 1

1. Fit O-rings (15) in rotating seal rings (14).2. LKH-70 to -90: Fit cups (54) on rotating seal rings (14).3. Fit spring (13) on one of the rotating seal rings (14) and

place the drive ring (52) in between.

Step 21. LKH-70 to -90: Turn the drive ring (52) in order to place it

correctly on the pump shaft (7).2. Fit the second rotating ring (14) on the other end of the spring.3. Place the parts on the stationary seal ring fitted in back plate

(25).

NOTEEnsure that both drive pins on the drive ring enters the notches inrotating seal rings.

Only LKH-70-90

Step 31. Lubricate O-ring (44) and slide onto seal housing (40a).2. Lubricate O-ring (50) and fit on stationary seal ring (51) and fit

this in the seal housing.

TD 200-447_1

SStep 41. Clean the sealing surfaces with contact cleaner.2. Fit seal housing (40a) on the back plate (25) and tighten screws

(41).

SStep 51. To enable fitting back plate (25) with the shaft seal remove

connex pin (8) from stub shaft (7) (if fitted).2. Carefully guide the back plate onto adaptor (16).3. Fit washers (21) and nuts (20).

TD 234-027_1


TD 234-033_1

23

5 Maintenance



is used.2. Lubricate the impeller hub with silicone grease or oil.3. Screw impeller (27) onto stub shaft (7).4. Fit impeller screw (36) and tighten, if used.Torque - 5-60 20 Nm (7.4 lbf-ft)Torque - 70-90 50 Nm (37 lbf-ft)

SStep 81. Screw tubes (42) into seal housing (40a).2. Tighten with a spanner.

TD 234-017_1

Step 9Fit safety guard (22) and screw (23) and tighten.

Step 101. Fit pump casing (29).2. Tighten nuts (20) for back plate (25).3.

A. LKH-5: Fit clamps (55+55a), spring washers (56a) andscrews (56) and tighten.

B. LKH-10 to -90: Fit washers (24a) and cap nuts (24)and tighten, according to torque values in chapter 6.3Addendum.

LKH-85 and LKH-90

24

5 Maintenance


5.6 Adjustment of shaft (LKH-5)

Step 11. Loosen screws (6).2. Pull off stub shaft (7).See special cleaning procedure for tapped hole in stub shaftpage 29.

SStep 21. Push stub shaft (7) onto the motor shaft. Screws (4) must fit

in keyway on the motor shaft.2. Check that the clearance between the end of the stub shaft

and the motor flange is 10-20 mm (0.39 - 0.78 inch).

10-20 mm(0.39-0.78 inch)

SStep 31. Tighten screws (4) lightly and evenly.2. Ensure that stub shaft (7) can be moved on the motor shaft.

SStep 41. FFor double mechanical shaft seal: Fit drive ring (52) on stub

shaft (7).2. Fit back plate (25), washers (21) and nuts (20) and tighten.

SStep 51. Fit impeller (27) on stub shaft (7).2. Ensure that the clearance between the impeller and back plate

(25) is correct: 0.5 mm (0.02 inch) for LKH-5.

LKH-5 = 0.5 mm (0.02 inch)

25

5 Maintenance


Step 6Tighten screws (4) evenly to 18 Nm (13 lbf-ft).

26

5 Maintenance


5.7 Adjustment of shaft (LKH-10 to -90)

Step 11. Loosen screws (6).2. Pull off stub shaft (7) together with compression rings (5a,5b).See special cleaning procedure for tapped hole in stub shaftpage 29.

SStep 21. Push stub shaft (7) together with compression rings (5a, 5b)

onto the motor shaft.2. Check that the clearance between the end of the stub shaft

and the motor flange is 10-20 mm (0.39 - 0.78 inch).

10-20 mm(0.39-0.78 inch)

Step 31. Tighten screws (6) lightly and evenly.2. Ensure that stub shaft (7) can be moved on the motor shaft.

SStep 41. FFor double mechanical shaft seal:

Fit drive ring (52) on stub shaft (7).2. Fit back plate (25), washers (21) and nuts (20) and tighten.

Step 51. Fit impeller (27) on stub shaft (7).2. Ensure that the clearance between the impeller and back plate

(25) is correct: 0.5 mm (0.02 inch) for LKH-10 to 60 and 1.0mm (0.039 inch) for LKH-70 to -90.

NOTE! If pump has been ordered with increased clearencebetween impeller and backplate this additional clearence must betaken into account when adjusting the shaft.

LKH-10 to -60 = 0.5 mm (0.02 inch)LKH-70 to -90 = 1.0 mm (0.039 inch)

27

5 Maintenance


Step 61. Remove impeller (27), back plate (25) and drive ring (52).2. Tighten screws (6) evenly to 15 Nm (11 lbf-ft).

Counterhold with a screwdriver

15Nm(11 lbf-ft)

28

5 Maintenance

5.8 Cleaning Procedure

Cleaning Procedure for Soiled Impeller Screw Tapped Hole:

1. Remove stub shaft (7) per section 4 of Service manual.2. Submerge and soak Stub Shaft for 5 minutes in COP tank with 2% caustic wash3. Scrub the blind tapped impeller screw hole vigorously by plunging a clean 1/2 diameter sanitary bristle pipe brush in and out

of the hole for two minutes while submerged.4. Soak Stub Shaft (7) in acid sanitizer for 5 minutes, then scrub blind tapped hole as described in step 3 above.5. Rinse well with clean water and blow-dry blind tapped hole with clean air.6. Swab test the inside of the tapped hole to determine cleanliness.7. Should the swab test fail, repeat steps 2 thru 6 above until swab test is passed.

Should swab testing continue to fail, or time is of the essence, install a new (spare) Stub Shaft (7).

29

6 Technical data

It is important to observe the technical data during installation, operation and maintenance.Inform the personnel about the technical data.

6.1 Technical data

Data

Max. inlet pressure LKH-5 : 600 kPa (6 bar) (87 psi )LKH-10 to -80 (50 Hz): 1000 kPa (10 bar) (145 psi )LKH-85 and LKH-90 (50 Hz): 500 kPa (5 bar) (72.5 psi)LKH-10 to -60 (60 Hz): 1000 kPa (10 bar) (145 psi )LKH-70, LKH-75, LKH-85, LKH-90 (60 Hz): 500 kPa (5 bar) (72.5 psi )

Temperature range -10o C to +140o C (EPDM) (14 to 284oF )Noise level 60-80 dB (A)

Materials

Product wetted steel parts AISI 316LOther steel parts AISI 304Finish Semi-bright

Product wetted seals EPDM (standard)Other O-rings EPDMAlternative seals Nitrile (NBR), Fluorinated rubber (FPM) and FEP

Shaft seal

Seal types External single, flushed or double mechanical sealMax. water pressure (flushed seal) Normally atmospheric (max. 1 bar) (max. 14.5 psi )Water consumption (flushed seal) 0.25 - 0.5 l/min. (0.07-0.13 gl )Max. water pressure LKH-5 to -60 (DMS) Normally atmospheric (max. 5 bar) (max. 72.5 psi )Max. water pressure LKH-70 to -90 (DMS) Normally atmospheric (max. 3 bar) (max. 43.5 psi )Water consumption (double mechanical seal) 0.25-0.5 l/min. (0.07-0.13 gl )Material, stationary seal ring Acid resistent steel with sealing surface of Silicon CarbideMaterial, rotating seal ring Carbon (standard) or Silicon CarbideMaterial, O-rings EPDM (standard)Alternative material, O-rings Nitrile (NBR), Fluorinated rubber (FPM) and FEP

Motor

Foot-flanged motor acc. to IEC metric standard 2 poles = 3000/3600 rpm. at 50/60 Hz IP55 (drain hole with labyrinthplug), insulation class F

Motor sizes (kW), 50 Hz 0.75 - 1.1 - 1.5 - 2.2 - 3 - 4 - 5.5 - 7.5 - 11 - 15 -18.5 - 22 - 30 - 37 - 45 -55 - 75 - 90 - 110 kW

Motor sizes (kW), 60 Hz 0.9 - 1.3 - 1.75 - 2.5 - 3.5 - 4.6 - 6.4 - 8.6 - 12.5 -17 - 21 - 25 - 35 - 43 -52 - 63 - 86 - 105 - 125 kW.

Motor sizes (hp), 60 Hz 1.5 - 2.0 - 3.0 - 5.0 - 7.5 - 10.0 - 15.0 - 20.0 - 25.0 - 30.0 - 40.0 -50.0 - 60.0 - 75.0 - 100.0 - 125.0 - 150.0 hp

Voltage and frequency

Voltage and frequency (standard) 3~, 50 Hz, 220-240V/380-420VY 4 kW3~, 60 Hz, 250-280V/440-480VY 4.6 kW3~, 50 Hz, 380-420V/660-690VY 5.5 kW3~, 60 Hz, 440-480V 6.3 kW

For further information - see PD-sheet.

30

6 Technical data

Relubrication interval 50 Hz (3000 rpm)/Relubrication interval 60 Hz (3600 rpm). (Vendor) quantity in DDrive EEnd/quantity inNon DDrive EEnd.

6.2 Relubrication Intervals

The table is for 100C internal bearing temperature.an increase in temperature of 15C (ambient or internal in bearings), willreduce the greasing interval and bearing lifetime by 50%. Lubrication interval for vertically mounted pumps is half the valuestated in the table.

Frame Motor LKH-5 - 90 LKHP-10 - 60 LKH-122/P

size power LKHI-10 - 60* LKHI-10 - 60 LKH-123/P

(kW) LKH-110* LKH-110 LKH-124/P

LKHSP 50/60 Hz 50/60 Hz

LKH Ultra Pure

50/60 Hz

80 0.75 Permanently lubricated (ABB) Not available Not available


90 1.5 Permanently lubricated (ABB) Permanently lubricated (ABB) Not available

90 2.2 Permanently lubricated (ABB) Permanently lubricated (ABB) Not available


112 4.0 Permanently lubricated (ABB) 4300h/3300h Not available

DE/NDE:10g (Brook, ABB)





160 11 Permanently lubricated (ABB) 3100h/2300h Not available








200 30 Permanently lubricated (ABB) 4000h/2800h 4000h/2800h

4300h/3500h DE/NDE: 23g (Brook) DE/NDE:45g (Brook, ABB) DE/NDE:45g (Brook, ABB)





250 55 Permanently lubricated (ABB) Not available 3500h/2500h

3950h/3200h DE/NDE: 26g (Brook) DE/NDE:45g (Brook, ABB)

250 75 Permanently lubricated (ABB) Not available 3500h/2500h

3950h/3200h DE/NDE: 26g (Brook) DE/NDE.45g (Brook, ABB)

* inlet pressure < 10 bar (145 psi )

Recommended grease types: - Mobilgrease HP - Shell Lipex EP2 - Castrol LMX- ESSO Unirex N3 - SKF LGHT3

31

6 Technical data

6.3 Addendum

Section 1

Tightening torquesBelow table specifies the tightening torques for the screws, bolts and nuts in this pump.Always use below torques if no other values are stated. This can be a matter of personal safety.

Size Tightening torgueNm lbf-ft

M8 20 14.8M10 40 29.5M12 67 49.0M14 110 81.0

Section 2

NoisePump Type Sound pressure level (dBA)

LKH-5 60LKH-10 69LKH-15 72LKH-20 70LKH-25 74LKH-35 71LKH-40 75LKH-45 70LKH-50 75LKH-60 77LKH-70 88LKH-75 79LKH-85 86LKH-90 75

The noise measurements are carried out with original motor and shroud, approximately at the Best Efficiency Point (BEP) withwater at ambient temperature and at 50Hz.

Very often the noise level generated by the flow through the process system (eg. valves, pipes, tanks etc.) is much higher thanwhat is generated by the pump itself. Therefore it is important to consider the noise level from the total system and take thenecessary percussions with regards to personal safety if required.

32

7 Parts list and Service Kits

The drawing shows LKH pump, sanitary version.The items refer to the parts lists in the following sections 7.4 LKH-5 Centrifugal Pump Single, Flushed and Double MechanicalShaft Seal

7.1 LKH-5 Sanitary Version

Impeller screw Ftting of legs0.75-11 kW

Fitting of back plate

Flushed shaft seal Double mechanical shaft seal

33


The drawing shows LKH pump, sanitary version.The items refer to the parts lists in the following sections 7.5 LKH-10 Centrifugal Pump Single, Flushed and Double MechanicalShaft Seal to 7.13 LKH-60 Centrifugal Pump Single, Flushed and Double Mechanical Shaft Seal

7.2 LKH-10, -15, -20, -25, -35, -40, -50, -60 Sanitary Version

Impeller screw Only used for 0.75, 1.1 and 3 kWFitting of legs

Fitting of back plate


34


The drawing shows LKH pump, sanitary version.The items refer to the parts lists in the following sections 7.15 LKH-70 Centrifugal Pump Single, Flushed and Double MechanicalShaft Seal to 7.19 LKH-90 Centrifugal Pump Single, Flushed and Double Mechanical Shaft Seal

7.3 LKH-70 - 90 Sanitary Version

LKH-85 and LKH-90LKH-75: USA version only, no shroud, US leg set.

Fitting of back plate Fitting of legs 55 - 110 kW


35


The drawing and the parts list include all items.

7.4 LKH-5 Centrifugal Pump Single, Flushed and Double Mechanical Shaft Seal

DMSS = Double Mechanical Shaft Seal. FSS = Flushed Shaft Seal

DMSS

FSS

Alternatives

36



Parts list

Pos. Qty Denomination

1 1 Motor2 1 Shroud2a 1 Edge list3 4 Screw4 2 Screw7 1 Shaft and pin (pos.8)8 1 Connex pin10 1 Drive ring16 1 Adaptor17 4 Screw for adaptor18 4 Nut for adaptor19 4 Washer for adaptor20 2 Nut21 2 Washer22 1 Safety guard23 1 Screw for safety guard25 1 Back plate26

1 O-ring

27 1 Impeller29 1 Pump casing30a 1 Support bar, right30b 1 Support bar, left31 4 leg32 4 Screw33 4 Nut34 4 Spring washer35 4 Screw35a 4 Washer36 1 Impeller screw37 1 Impeller for impeller screw38 1 O-ring39 4 Nut40 1 Seal housing40a 1 Seal housing41 2 Screw for seal housing42 2 Tube55 1 Upper clamp55a 1 Lower clamp56 2 Screw56a 2 Spring washer

Service kitsDenomination CC/SIC SIC/SIC

Service kit for single shaft seal

Service kit, EPDM (Std.) . . . . . . . . . 9611-92-2302 9611-92-2522Service kit, NBR . . . . . . . . . . . . . . . . . 9611-92-2303 9611-92-2523Service kit, FPM. . . . . . . . . . . . . . . . . . 9611-92-2304 9611-92-2524Service kit, FEP . . . . . . . . . . . . . . . . . . 9611-92-2305 9611-92-2525

Service kit for single shaft seal and impeller screw

Service kit, EPDM (Std.) . . . . . . . . . 9611-92-2306 9611-92-2526Service kit, NBR . . . . . . . . . . . . . . . . . 9611-92-2307 9611-92-2527Service kit, FPM . . . . . . . . . . . . . . . . . 9611-92-2308 9611-92-2528Service kit, FEP . . . . . . . . . . . . . . . . . 9611-92-2309 9611-92-2529

Service kit for flushed shaft seal


Service kit for flushed shaft seal and impeller screw


Service kit for double mechanical shaft seal C/SIC


Service kit for double mechanical shaft seal and impeller screw


Parts marked with are included in the service kits.Recommended Spare Parts: Service kits.Shaft seal: See page 56Conversion kit, single to flushed shaft seal EPDM C/SIC 9611-92-2042 = Pos. 10+40b+41+42+43+44+45Conversion kit, single to double mechanical shaft seal EPDM C/SIC 9611-92-2175 = Pos.13+ 14+15+40a+41+42+44+50+51+52Conversion kit, flushed to double mechanical shaft seal EPDM C/SIC 9611-92-2176 = Pos.13+ 14+40a+50+51+52

900010/2

37





DMSS

FSS

Impeller with Inducer Alternatives

38



Parts list


1 1 Motor2a 1 Edge list2 1 Shroud complete3 4 Screw5a 1 Compression ring with thread5b 1 Compression ring without thread6 6 Screw6a 6 Washer7 1 Shaft8 1 Connex pin9 1 Retaining ring10 1 Drive ring16 1 Adaptor17 4 Screw for adaptor18 4 Nut for adaptor19 4 Washer for adaptor20 2 Nut21 2 Washer22 1 Safety guard23 1 Screw for safety guard24 6 Cap nut24a 6 Washer25 1 Back plate26

1 O-ring

27 1 Impeller28 6 Bolt29 1 Pump casing30a 1 Support bar, right30b 1 Support bar, left31 4 Leg32 4 Screw33 4 Nut34 4 Spring washer35 4 Screw35a 4 Washer36 1 Impeller screw37 1 Impeller for impeller screw38 1 O-ring39 4 Nut40 1 Seal housing40a 1 Seal housing41 2 Screw for seal housing42 2 Tube57 1 Inducer










Service kit for double mechanical shaft seal




Parts marked with are included in the service kits. Recommended Spare Parts: Service kits. Shaft seal: See page 56Conversion kit, single to flushed shaft seal EPDM C/SIC 9611-92-2042 = Pos. 10+40+41+42+43+44+45Conversion kit single to double mechanical shaft seal EPDM C/SIC 9611-92-2175 = Pos.13+ 14+15+40a+41+42+44+50+51+52Conversion kit single to double mechanical shaft seal EPDM SIC/SIC 9611-92-2326 = Pos. 13+14+15+40a+41+42+44+50+51+52Conversion kit, flushed to double mechanical shaft seal EPDM C/SIC 9611-92-2176 = Pos.13+ 14+40a+50+51+52Replace to inducer (For pump with impellerscrew) please order pos. 7+57+38Replace to inducer (For pump without impellerscrew) please order pos. 7+57+37+38

900009/3

39





DMSS

FSS


40



Parts list


1 1 Motor2a 1 Edge list2 1 Shroud complete3 4 Screw5a 1 Compression ring with thread5b 1 Compression ring without thread6a 6 Washer6 6 Screw7 1 Shaft8 1 Connex pin10 1 Drive ring16 1 Adaptor17 4 Screw for adaptor18 4 Nut for adaptor19 4 Washer for adaptor20 2 Nut21 2 Washer22 1 Safety guard23 1 Screw for safety guard24 6 Cap nut24a 6 Washer25 1 Back plate26

1 O-ring

27 1 Impeller28 6 Bolt29 1 Pump casing30a 1 Support bar, right30b 1 Support bar, left31 4 Leg32 4 Screw33 4 Nut34 4 Spring washer35 4 Screw35a 4 Washer36 1 Impeller screw37 1 Impeller for impeller screw38 1 O-ring39 4 Nut40 1 Seal housing40a 1 Seal housing41 2 Screw for seal housing42 2 Tube46 4 Distance sleeve57 1 Inducer














Parts marked with are included in the service kits.Recommended Spare Parts: Service kits.Shaft seal: See page 56Conversion kit, single to flushed shaft seal EPDM C/SIC 9611-92-2042 = Pos. 10+40+41+42+43+44+45Conversion kit single to double mechanical shaft seal EPDM C/SIC 9611-92-2175 = Pos.13+ 14+15+40a+41+42+44+50+51+52Conversion kit single to double mechanical shaft seal EPDM SIC/SIC 9611-92-2326 = Pos.13+ 14+15+40a+41+42+44+50+51+52Conversion kit, flushed to double mechanical shaft seal EPDM C/SIC 9611-92-2176 = Pos. 13+14+40a+50+51+52Replace to inducer (for pump with impellerscrew) please order pos. 7+57+38Replace to inducer (for pump without impellerscrew) please order pos. 7+57+37+38

900010/2

41





DMSS

FSS


42



Parts list


1 1 Motor2 1 Shroud complete2a 1 Edge list3 4 Screw5a 1 Compression ring with thread5b 1 Compression ring without thread6 6 Screw6a 6 Washer7 1 Shaft8 1 Connex pin9 1 Retaining ring10 1 Drive ring16 1 Adaptor17 4 Screw for adaptor18 4 Nut for adaptor19 4 Washer for adaptor20 2 Nut21 2 Washer22 1 Safety guard23 1 Screw for safety guard24 6 Cap nut24a 6 Washer25 1 Back plate26

1 O-ring

27 1 Impeller28 6 Bolt29 1 Pump casing30a 1 Support bar, right30b 1 Support bar, left31 4 Leg32 4 Screw33 4 Nut34 4 Spring washer35 4 Screw35a 4 Washer36 1 Impeller screw37 1 Impeller for impeller screw38 1 O-ring EPDM39 4 Nut40 1 Seal housing40a 1 Seal housing41 2 Screw for seal housing42 2 Tube46 4 Distance sleeve57 1 Inducer

Service kitsDenomination CC/SiC SiC/SiC













Parts marked with are included in the service kits.Recommended Spare Parts: Service kits.Shaft seal: See page 56

Conversion kit, single to flushed shaft seal EPDM C/SIC 9611-92-2042 = Pos. 10+40+41+42+43+44+45Conversion kit single to double mechanical shaft seal EPDM C/SIC 9611-92-2175 = Pos. 13+14+15+40a+41+42+44+50+51+52Conversion kit single to double mechanical shaft seal EPDM SIC/SIC 9611-92-2326 = Pos.13+ 14+15+40a+41+42+44+50+51+52Conversion kit, flushed to double mechanical shaft seal EPDM C/SIC 9611-92-2176 = Pos.13+ 14+40a+50+51+52Replace to inducer (For pump with impeller screw) please order pos. 7+57+38Replace to inducer (For pump without impeller screw) please order pos. 7+57+37+38.

900011/2

43





DMSS

FSS


44



Parts list


1 1 Motor2 1 Shroud complete2a 1 Edge list3 4 Screw5a 1 Compression ring with thread5b 1 Compression ring without thread6 6 Screw6a 6 Washer7 1 Shaft8 1 Connex pin10 1 Drive ring16 1 Adaptor17 4 Screw for adaptor18 4 Nut for adaptor19 4 Washer for adaptor20 2 Nut21 2 Washer22 1 Safety guard23 1 Screw for safety guard24 6 Cap nut24a 6 Washer25 1 Back plate26

1 O-ring

27 1 Impeller28 6 Bolt29 1 Pump casing30a 1 Support bar, right30b 1 Support bar, left31 4 Leg32 4 Screw33 4 Nut34 4 Spring washer35 4 Screw35a 4 Washer36 1 Impeller screw37 1 Impeller for impeller screw38 1 O-ring40 1 Seal housing40a 1 Seal housing41 2 Screw for seal housing42 2 Tube46 4 Distance sleeve57 1 Inducer














Parts marked with are included in the service kits.Recommended Spare Parts: Service kits.Shaft seal: See page 56Conversion kit, single to flushed shaft seal EPDM C/SIC 9611-92-2891 = Pos. 10+40+41+42+43+44+45Conversion kit single to double mechanical shaft seal EPDM C/SIC 9611-92-2175 = Pos. 13+14+15+40a+41+42+44+50+51+52Conversion kit single to double mechanical shaft seal EPDM SIC/SIC 9611-92-2326 = Pos. 13+14+15+40a+41+42+44+50+51+52Conversion kit, flushed to double mechanical shaft seal EPDM C/SIC 9611-92-2176 = Pos.13+ 14+40a+50+51+52Replace to inducer (for pump with impellerscrew) please order pos. 7+57+38Replace to inducer (for pump without impellerscrew) please order pos. 7+57+37+38

900012/3

45





DMSS

FSS


46



Parts list


1 1 Motor2 1 Shroud complete2a 1 Edge list3 4 Screw5a 1 Compression ring with thread5b 1 Compression ring without thread6 6 Screw6a 6 Washer7 1 Shaft8 1 Connex pin10 1 Drive ring16 1 Adaptor17 4 Screw for adaptor18 4 Nut for adaptor19 4 Washer for adaptor20 2 Nut21 2 Washer22 1 Safety guard23 1 Screw for safety guard24 6 Cap nut24a 6 Washer25 1 Back plate26

1 O-ring

27 1 Impeller28 6 Bolt29 1 Pump casing30a 1 Support bar, right30b 1 Support bar, left31 4 Leg32 4 Screw33 4 Nut34 4 Spring washer35 4 Screw35a 4 Washer36 1 Impeller screw37 1 Impeller for impeller screw38 1 O-ring40 1 Seal housing40a 1 Seal housing41 2 Screw for seal housing42 2 Tube46 4 Distance sleeve57 1 Inducer














Parts marked with are included in the service kits.Recommended Spare Parts: Service kits.Shaft seal: See page 56Conversion kit, single to flushed shaft seal EPDM C/SIC 9611-92-2891 = Pos. 10+40+41+42+43+44+45Conversion kit, single to double mechanical shaft seal EPDM C/SIC 9611-92-2175 = Pos. 13+14+15+40a+41+42+44+50+51+52Conversion kit, single to double mechanical shaft seal EPDM SIC/SIC 9611-92-2326 = Pos. 13+14+15+40a+41+42+44+50+51+52Conversion kit, flushed to double mechanical shaft seal EPDM C/SIC 9611-92-2176 = Pos. 13+14+40a+50+51+52Replace to inducer (for pump with impellerscrew) please order pos. 7+57+38Replace to inducer (for pump without impellerscrew) please order pos. 7+57+37+38

900014/3

47





DMSS

FSS


48



Parts list


1 1 Motor2 1 Shroud2a 1 Edge list3 4 Screw5a 1 Compression ring with thread5b 1 Compression ring without thread6 6 Screw6a 6 Washer7 1 Shaft8 1 Connex pin10 1 Drive ring16 1 Adaptor17 4 Screw for adaptor18 4 Nut for adaptor19 4 Washer for adaptor20 2 Nut21 2 Washer22 1 Safety guard23 1 Screw for safety guard24 6 Cap nut24a 6 Washer25 1 Backplate26

1 O-ring

27 1 Impeller28 6 Bolt29 1 Pump casing30a 1 Support bar, right30b 1 Support bar, left31 4 Leg32 4 Screw33 4 Nut34 4 Spring washer35 4 Screw35a 4 Washer36 1 Impeller screw37 1 Impeller for impeller screw38 1 O-ring40a 1 Seal housing46 4 Distance sleeve57 1 Inducer


Service kits for single shaft seal


Service kits for single shaft seal and impeller screw


Service kits for flushed shaft seal


Service kits for flushed shaft seal and impeller screw


Service kits for double mechanical shaft seal


Service kits for double mechanical shaft seal and impeller screw


Parts marked with are included in the service kits. Recommended Spare Parts: Service kits. Shaft seal: See page 56Conversion kit, single to flushed shaft seal EPDM C/SIC 9611-92-2891 = Pos. 10+40+41+42+43+44+45Conversion kit, single to double mechanical shaft seal EPDM C/SIC 9611-92-2175 = Pos. 13+14+15+40a+41+42+44+ 50 +51+52Conversion kit, single to double mechanical shaft seal EPDM SIC/SIC 9611-92-2326 = Pos.13+ 14+15+40a+41+42+44+ 50 +51+52Conversion kit, flushed to double mechanical shaft seal EPDM C/SIC 9611-92-2176 = Pos. 13+14+40a+50+51+52Replace to inducer (for pump with impellerscrew ) please order pos. 7+57+38Replace to inducer (for pump without impellerscrew ) please order pos. 7+57+37+38

900015/4

49





DMSS

FSS


50



Parts list


1 1 Motor2 1 Shroud complete2a 1 Edge list3 4 Screw5a 1 Compression ring with thread5b 1 Compression ring without thread6 6 Screw6a 6 washer7 1 Shaft8 1 Connex pin10 1 Drive ring16 1 Adapter17 4 Screw for adapter18 4 Nut for adapter19 4 washer for adapter20 2 Nut21 2 washer22 1 Safety guard23 1 Screw for safety guard24 6 Cap nut24a 6 washer25 1 Back plate26

1 O-ring

27 1 Impeller28 6 Bolt29 1 Pump casing30a 1 Support bar, right30b 1 Support bar, Left31 4 Leg32 4 Screw33 4 Nut34 4 Spring washer35 4 Screw35a 4 washer36 1 Impeller screw37 1 Impeller for impeller screw38 1 O-ring40 1 Seal housing41 2 Screw for seal housing42 2 Tube46 4 Distance sleeve57 1 Inducer



Service kit, EPDM (std) . . . . . . . . . . 9611-92-2178 9611-92-2594Service kit, NBR . . . . . . . . . . . . . . . . . 9611-92-2179 9611-92-2595Service kit, FPM. . . . . . . . . . . . . . . . . . 9611-92-2180 9611-92-2596Service kit, FEP . . . . . . . . . . . . . . . . . . 9611-92-2181 9611-92-2597


Service kit, EPDM (std) . . . . . . . . . . 9611-92-2182 9611-92-2598Service kit, NBR . . . . . . . . . . . . . . . . . 9611-92-2179 9611-92-2595Service kit, FPM. . . . . . . . . . . . . . . . . . 9611-92-2180 9611-92-2596Service kit, FPM. . . . . . . . . . . . . . . . . . 9611-92-2181 9611-92-2597




Service kit, EPDM (std) . . . . . . . . . . 9611-92-2190 9611-92-2606Service kit, NBR . . . . . . . . . . . . . . . . . 9611-92-2191 9611-92-2607Service kit, FPM . . . . . . . . . . . . . . . . . 9611-92-2192 9611-92-2608Service kit, FEP . . . . . . . . . . . . . . . . . 9611-92-2193 9611-92-2609





Parts marked with are included in the service kits.Recommended Spare Parts: Service kits.Shaft seal: See page 56Conversion kit, single to flushed shaft seal EPDM C/SIC 9611-92-2891 = Pos. 10+40+41+42+43+44+45Conversion kit, single to double mechanical shaft seal EPDM C/SIC 9611-92-2175 = Pos.13+ 14+15+40a+41+42+44+50+51+52Conversion kit, single to double mechanical shaft seal EPDM SIC/SIC 9611-92-2326 = Pos. 13+14+15+40a+41+42+44+50+51+52Conversion kit, flushed to double mechanical shaft seal EPDM C/SIC 9611-92-2176 = Pos. 13+14+40a+50+51+52Replace to inducer (for pump with impellerscrew) please order pos. 7+57+38Replace to inducer (for pump without impellerscrew) please order pos. 7+57+37+38

900016/3

51





DMSS

FSS


52



Parts list


1 1 Motor1 Motor

2 1 Shroud1 Shroud

2a 1 Edge list1 Edge list

3 4 Screw5a 1 Compression ring with thread5b 1 Compression ring without thread6 6 Screw6a 6 Washer7 1 Shaft8 1 Connex pin10 1 Drive ring16 1 Adaptor17 4 Screw for adaptor18 4 Nut for adaptor19 4 Washer for adaptor20 2 Nut21 2 Washer22 1 Safety guard23 1 Screw for safety guard24 6 Cap nut24a 6 Washer25 1 Back plate26

1 O-ring

27 1 Impeller28 6 Bolt29 1 Pump casing30a 1 Support bar, right30b 1 Support bar, left31 4 Leg32 4 Screw33 4 Nut34 4 Spring washer35 4 Screw35a 4 Washer36 1 Impeller screw37 1 Impeller for impeller screw38 1 O-ring40 1 Seal housing40a 1 Seal housing41 2 Screw for seal housing42 2 Tube46 4 Distance57 1 Inducer














Parts marked with are included in the service kits. Recommended Spare Parts: Service kits. Shaft seal: See page 56Conversion kit, single to flushed shaft seal EPDM C/SIC 9611-92-2891 = Pos. 10+40+41+42+43+44+45Conversion kit, single to double mechanical shaft seal EPDM C/SIC 9611-92-2175 = Pos. 13+14+15+40a+41+42+44+50+51+52Conversion kit, single to double mechanical shaft seal EPDM SIC/SIC 9611-92-2326 = Pos. 13+14+15+40a+41+42+44+50+51+52Conversion kit, flushed to double mechanical shaft seal EPDM C/SIC 9611-92-2176 = Pos. 13+14+40a+50+51+52Replace to inducer (for pump with impellerscrew) please order pos. 7+57+38Replace to inducer (for pump without impellerscrew) please order pos. 7+57+37+38.900017/5

53





DMSS

FSS

Alternatives

54



Parts list


1 1 Motor1 Motor

2a 1 Edge list1 Edge list

2 1 Shroud1 Shroud

3 4 Screw5a 1 Compression ring with thread5b 1 Compression ring without thread6 6 Screw6a 6 Washer7 1 Shaft8 1 Connex pin10 1 Drive ring16 1 Adaptor17 4 Screw for adaptor18 4 Nut for adaptor19 4 Washer for adaptor20 2 Nut21 2 Washer22 1 Safety guard23 1 Screw for safety guard24 6 Cap nut24a 6 Spring washer25 1 Back plate26

1 O-ring

27 1 Impeller28 6 Bolt29 1 Pump casing30a 1 Support bar, right30b 1 Support bar, left31 4 Leg32 4 Screw33 4 Nut34 4 Spring washer35 4 Screw35a 4 Washer36 1 Impeller screw37 1 Impeller for impeller screw38 1 O-ring40 1 Seal housing41 2 Screw for seal housing42 2 Tube46 4 Distance sleeve53 4 Pivot screw (30 kW only)











Service kit, EPDM (Std.) . . . . . . . . . 9611-92-2230 9611-92-2635Service kit, NBR . . . . . . . . . . . . . . . . . 9611-92-2231 9611-92-2636Service kit, FPM. . . . . . . . . . . . . . . . . . 9611-92-2232 9611-92-2637Service kit, FEP . . . . . . . . . . . . . . . . . . 9611-92-2233 9611-92-2638Service kitsDenomination CC/SIC SIC/SIC



Parts marked with are included in the service kits.Recommended Spare Parts: Service kits.Shaft seal: See page 56Conversion kit, single to flushed shaft seal EPDM C/SIC 9611-92-2891 = Pos. 10+40+41+42+43+44+45Conversion kit, single to double mechanical shaft seal EPDM C/SIC 9611-92-2175 = Pos. 13+14+15+40a+41+42+44+50+51+52Conversion kit, single to double mechanical shaft seal EPDM SIC/SIC 9611-92-2326 = Pos. 13+14+15+40a+41+42+44+50+51+52Conversion kit, flushed to double mechanical shaft seal EPDM C/SIC 9611-92-2176 = Pos. 13+14+40a+50+51+52

900018/7

55



7.14 LKH 5-60 Centrifugal Pumps, Shaft Seals

Single Shaft Seal.

TD 200-372_1

11

12

14

15

13

Flushed Shaft Seal.

TD 200-373_1

11

12

14

15

13

45

44

43

Double Mechanical Shaft Seal

TD 200-374

11

12

14

15

13

15

14

52

44

5150

56



Parts list

Pos. Qty Denomination Complete shaft seal Complete shaft seal Complete shaft seal Complete shaft seal Complete shaft seal Complete shaft seal

11 1 Stationary seal ring12 1 O-ring13 1 Spring14 1 Rotating seal ring

2 Rotating seal ring, carbon15 1 O-ring

2 O-ring43 1 Lip seal44 1 O-ring for seal housing45 1 O-ring for drive ring50 1 O-ring51 1 Sec. stationary seal ring52 1 Drive ring

57





DMSS

FSS

Legs for motor sizes 55-75 kW

58



Parts list


1 1 Motor2 1 Shroud2a 1 Edge list3 4 Screw5a 1 Compression ring with thread5b 1 Compression ring without thread6 6 Screw6a 6 Washer7 1 Shaft10 1 Drive ring16 1 Adaptor17 4 Screw for adaptor18 4 Nut for adaptor19 4 Washer for adaptor20 4 Nut21 4 Washer22 1 Safety guard23 1 Screw for safety guard24 8 Cap nut24a 8 Spring washer25 1 Back plate26 1 O-ring28 8 Pin bolt29 1 Pump casing30a 1 Support bar, right30b 1 Support bar, left31 4 Leg32 4 Screw33 4 Nut34 4 Spring washer35 4 Screw35a 4 Washer36 1 Impeller screw37 1 Impeller38 1 O-ring40 1 Seal housing40a 1 Seal housing41 2 Screw for seal housing42 2 Tube46 4 Distance sleeve47 2 Leg bracket48 4 Nut for leg49 4 Screw for leg53 4 Pivot screw








Parts marked with are included in the service kits.Recommended Spare Parts: Service kits.Shaft seal: See page 68Conversion kit, single to flushed shaft seal EPDM C/SIC 9611-92-2246 = Pos 40+41+42+43+44+45Conversion kit, single to double mechanical shaft seal EPDM C/SIC 9611-92-2420 = Pos.13+14+15+ 40a+41+42+44+50+51+52+54Conversion kit, flushed to double mechanical shaft seal EPDM C/SIC 9611-92-2421 = Pos.13+14+15+ 40a+41+50+51+52+54

900058/8

59





TD 239-013

6a6

70

60



Parts list


1 1 Motor5a 1 Compression ring with thread5b 1 Compression ring without thread6 6 Screw6a 6 Washer7 1 Shaft with pin10 1 Drive ring16 1 Adaptor17 4 Screw for adaptor19 4 Washer for adaptor20 4 Nut21 4 Washer22 1 Safety guard23 1 Screw for safety guard24 8 Wing nut24a 8 Spring washer25 1 Back plate26 1 O-ring28 8 Pin bolt29 1 Pump casing36 1 Impeller screw37 1 Impeller38 1 O-ring40 1 Seal housing40a 1 Seal housing41 2 Screw for seal housing42 2 Tube70 1 Bracket set stainless steel



Service kit, EPDM (Std.) . . . . . . . . . 9611-92-2976 9611-92-2985Service kit, NBR . . . . .

Date post:	17-Nov-2015
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