EO 5885GG Rev.05 80131902 Effective from 1/09 WDL XT Generation III Owner’s Manual 3500 – 6600 lb. Capacity Rail Lift IMPORTANT KEEP IN VEHICLE GR02413 1-09 OHIO 285 Northeast Avenue Tallmadge, OH 44278 (330) 633-9191 FAX – (330) 633-1418 GEORGIA 1395 N. Cobb Parkway Marietta, GA 30062 (770) 425-0922 FAX – (770) 425-5886 CALIFORNIA 227 E. Compton Blvd Gardena CA 90248 (310) 243-6800 FAX – (310) 538-1136 Visit us at www.waltco.com ATTENTION THE SUCCESS OR FAILURE OF THIS EQUIPMENT COULD VERY WELL DEPEND ON THOROUGH AND PROPER OPERATION AND MAINTENANCE OF THIS EQUIPMENT. READ AND UNDERSTAND THE CONTENTS OF THIS MANUAL BEFORE OPERATING THIS EQUIPMENT See page 1-3 for Warranty Information See chapter 4 for Preventive Maintenance See Chapter 6 for Lubrication Instructions
SCHEMATICS AND PARTS MANUALS ...................................................................... 7
HOW TO ORDER PARTS ............................................................................................. 8
INTRODUCTION
If anyone observes improper installation, improper operation, or damage, they should immediately contact a qualified person for assistance and correction. We strongly urge anyone that has any questions or doubts as to the installation, condition, use, operation, maintenance or repair of the liftgate to contact us at Waltco where we have qualified personnel that will be happy to assist you. Telephone numbers and addresses of these locations are listed in the Owners Manual and Installation Instructions. INSTALLATION
Waltco liftgates should only be installed by those with sufficient basic skills to understand the installation and operation of the liftgate, along with the equipment on which the liftgate is being installed. Waltco’s installation instructions are not intended to give rationale for all the instructions that are given; however, it is the intent of these instructions to give the installer both the operations and what we believe to be the most desirable sequence of implementing these operations. These instructions can in no way expand into an area where they will replace a qualified person, or clear thinking and a basic knowledge that must be possessed by the installer.
It has been our experience that a knowledgeable journeyman following these instructions and observing the operation of the liftgate will have a sufficient comprehension of the liftgate to enable this person to troubleshoot and correct all normal problems that may be encountered.
Failure to follow the installation instructions, adjustments and mounting dimensions may result in improper and unsafe operation of the liftgate. Unauthorized alterations of the liftgate can cause an undesirable and dangerous condition. OWNERS MANUAL
The Waltco Owners Manual is intended to act as a guide for operation and routine maintenance but is no way intended to encourage usage or repair of the liftgate by those who are not qualified to do so.
The contents of the owners manual include, but are not limited to general operation instructions, routine lubrication, parts lists, and an outline of things that should be checked but may not be obvious to those not technically qualified. This manual assumes the liftgate is properly installed, undamaged and operates correctly. Improper installation, improper operation, or damage should be immediately corrected by a qualified person. INSPECTION
As part of the regular inspection of a liftgate and after damage or suspicion of an overload, inspect for wear or structural damage and make necessary repairs or replacements. Check all structural components and their attachment to the liftgate for cracked welds, wear and part deformation. Check cylinder and hose for leaks. Inspections and repairs should be made by a qualified mechanic. REPLACEMENT PARTS
Use only Waltco original equipment replacement parts. Components of other liftgate manufacturers may outwardly appear to be the same but are not interchangeable with Waltco products. Waltco components are specifically designed for safety requirements, reliability and compatibility with our products. Refer to your Waltco parts manual when ordering parts. NOTE: When ordering, give model and serial number of liftgate. DECALS
It is important that every vehicle that has a WALTCO Liftgate have legible DECALS clearly posted on the vehicle and an OWNER’S MANUAL in the vehicle at all times as a guide for proper operation and maintenance.
Additional DECALS and OWNER’S MANUALS can be obtained from WALTCO TRUCK EQUIPMENT COMPANY. 80101388 Rev 01 EO 5422
Chapter 1 Safety Information
Page 1 - 1 80101253 Rev 02 EO 5422
The following safety information must be read before operating Waltco liftgates.
• Read and understand the Owner’s Manual and all decals on liftgate before operating liftgate.
• Do not operate liftgate without a thorough knowledge and understanding of the operation of the liftgate.
• Liftgate hazards can result in crushing or falling
• This liftgate is designed for loading and unloading of cargo. If personnel are required to ride liftgate, observe and familiarize yourself with the liftgate operation, decals and manuals. Ensure stable footing at all times
• Do not ride liftgate with unstable loads.
• Keep hands and feet clear of all potential pinch points.
• Do not attempt any repairs unless you are qualified to do so. Care should be taken when work is performed on a disabled liftgate located near moving traffic. When possible the vehicle should be moved away from traffic areas for repair. Precautionary measures should be taken to ensure personal safety including those recommended in Federal Motor Vehicle Safety Standards 571.125.
• NEVER OVERLOAD LIFTGATE Refer to the Explanation of Specification Tag in the Liftgate Terminology chapter for liftgate capacity rating.
• Never use liftgate if it makes any unusual noise, has unusual vibration, raises or lowers unevenly, or fails to operate smoothly.
• Never use liftgate if it shows any signs of structural damage such as cracked welds, bent or distorted members.
• For liftgates with Runners, never use liftgate if Runners do not travel freely and smoothly.
• All protective covers, guards, and safety devices must be in place and access doors closed before operating liftgate.
• Make certain the Platform area, including the area in which loads may fall, is clear before and at all times during the operation of the liftgate.
• For liftgates with Roller Lifting Chain, the Chain should be replaced every (5) five years or 15,000 cycles, whichever comes first. Replace only with Waltco approved Roller Chain.
• A Lock-Out device or Shut-Off Switch should always be used to prevent unauthorized use of liftgate.
• Never transfer loads which exceed lifting capacity on or over any part of the Platform unless the liftgate is equipped with a special reinforced Platform and Platform Support Bars for use when the Platform is used as loading ramp (dock board). Refer to the “Using Platform as a loading ramp” Chapter in the Operation Instructions of the BZ/RZ series Owner’s Manual.
• Platform is always to be properly stored and secured for transit. See the Owner’s Manual for details.
• For liftgates equipped with Trailer Hitches, never exceed the rated capacity of the hitch. Do not exceed the vehicle’s weight rating. Refer to the vehicle’s Owner’s Manual.
Chapter 1 Safety Information
Page 1 - 2 80101253 Rev 02 EO 5422
• Take care to retain cargo during transit for liftgate Platforms which function as the tailgate or door of the cargo area. Small objects can fall through the space between the vehicle and the folded Platform.
• Vehicle must comply with all state and federal standards.
• Follow the “Maintenance Guide” chapter in the Owner’s Manual.
Liftgates with Tilt Function
• Proper use of the Control Switches is of extreme importance.
• Improper use of Tilt Switch could cause load to fall from the Platform or damage the liftgate.
• Platform should be in a generally horizontal position when raising or lowering with a load.
• In any tilt position, the Platform may vary from level while raising or lowering the Platform.
Liftgates equipped with spring operated Cam Closer
• Replace Cam Release Spring every five (5) years or 15,000 cycles, whichever comes first.
RGL
• Make certain Platform Brake mechanisms are operating properly.
• The Runners are always to remain powered up against the Upstops Pins when in transit.
• Inspect Cables every three (3) months or 750 cycles, whichever comes first. Cables must be replaced if they show signs of wear, distortion, kinking or if any broken wires are visible
• Replace cables every five (5) years or 10,000 cycles, whichever comes first.
SIGNAL WORDS
WARNING
Indicates a potentially hazardous situation, which if not avoided, could result in death or serious injury.
Black letters on an orange background
CAUTION
Indicates a potentially hazardous situation, which if not avoided, may result in minor or moderate injury. May also be used to alert against unsafe practices.
Black letters on a yellow background.
WARNING
CAUTION
WALTCO Warranty Policy
Page 1-3
WALTCO warrants its products free of defects in materials and workmanship.
WALTCO will replace components found defective during the warranty period. Labor will be reimbursed according to our flat rate labor schedule at the prevailing shop rate.
Contact our Sales or Warranty departments for the warranty period of your model or for information regarding our flat rate labor schedule.
WALTCO Warranty Claim Procedure
For consideration, all claims must be received within 30 days of repair and include the following information:
• Liftgate Serial Number
• Description of problem and corrective actions
• Itemization of the labor charge to include the number of hours and labor rate Replacement warranty parts can be obtained by contacting Waltco’s Parts Department. Parts must be returned for inspection when requested. Exclusions: Waltco’s warranty does not include reimbursement for service calls, vehicle rental, towing, travel time, fabrication of parts available from WALTCO, damage from misuse or abuse, negligence, accidents, alteration, loss of income or overtime expense, oil, or normal wear. Diagnosis and troubleshooting time are included in the flat rate labor times. Warranty and technical information is available from WALTCO’s toll free customer service lines from 8:00 a.m. to 5:00 p.m. EST.
1-800-211-3074, 330-633-9191 Please visit our websites: http://www.waltco.com or http://www.hiab.com
We're behind you all the way!
Chapter 2 Liftgate Terminology
Page 2-1
1. Street Side Upright
2. Curb Side Upright
3. Lights
4. Upright Covers
5. Sill Extension
6. Toe Guard Plate
7. Support Chain
8. Chain Linkage Bar
9. Lock Valve Override Slide Bar
10. Bottom Stop Pin
11. Linkage Anchor
12. Pivot Tube
13. Main Deck
14. Deck Extension
15. Folding Ramp
16. Street Side Runner
17. Curb Side Runner
18. Platform Fold Stop Block
19. Platform Fold Stop
20. Roller Cartridge Pins
21. Control Switches
22. Closing Cylinder
23. Closing Cylinder Air Assist Valve
24. Bottom Stop Catch
25.
26. Ramp retention Cable
27. Pin
28. OK to Fold/Unfold Indicators
29. Street Side Lift Cylinder
30. Curb Side Lift Cylinder
GR02507
Chapter 2 Liftgate Terminology
Page 2-2
31. Adjustable Roller Cartridge Assy
32. Fixed Roller Cartridge Assy
33. Inside Column Control Switches
34. Specification Tag
35. Adjustment Bolt and Locknut for Adjustable Roller Cartridge
36. Upper Line Clamp
37. Switch Wiring Harness
38. Fixed Roller Cartridge Handle
39. Magnetic Filter
40.
41. Lights
42. Curb Side Upright
GR02508
Chapter 2 Liftgate Terminology
Page 2-3
43. Hydraulic Enclosure
44. Battery Box (Optional)
45. 150 Amp Circuit Breaker
46. Return Line
47. Hydraulic Reservoir
48. Filler / Breather Cap
49. Liftgate W iring Harness
50. Motor Wiring Harness
51. Pump or Hydraulic Unit
52. Pump Starter Solenoid
53. 10 Amp Fuse
54. Relays
55. Liftgate Shut-off / Selector Switch
56. Control Solenoid Valves
57. Pump Motor
58. Platform Open / Close Speed Control Orifices
59. Auxiliary Control Switch for Dual Motor Pumps (Optional)
60. Batteries
GR02509
Chapter 2 Liftgate Terminology
Page 2-4
EXPLANATION OF SPECIFICATION TAG
MODEL NO. MODEL NAME DESCRIPTION CAPACITY
319-1 WDL-35 XT WDL-35 XT Series (96” Wide) 3500 lb.
319-1 WDL-45 XT WDL-45 XT Series (96” Wide) 4500 lb.
319-1 WDL-55 XT WDL-55 XT Series (96” Wide) 5500 lb.
319-1 WDL-66 XT WDL-66 XT Series (96” Wide) 6600 lb.
319-2 WDL-35 XT WDL-35 XT Series (102” Wide) 3500 lb.
319-2 WDL-45 XT WDL-45 XT Series (102” Wide) 4500 lb.
319-2 WDL-55 XT WDL-55 XT Series (102” Wide) 5500 lb.
319-2 WDL-66 XT WDL-66 XT Series (102” Wide) 6600 lb.
MODEL NUMBER RATED CAPACITY
Based on an evenly
distributed load on the
platform flat surface
SERIAL NUMBER
of Liftgate. To be used
when ordering parts or
when contacting Waltco
for service or warranty.
DATE OF
MANUFACTURE
MONTH/YEAR
GR00053
Chapter 3 Operation Instructions
Page 3-1
OPENING PLATFORM FOR LOADING
Assure toggle switch located in Hydraulic Enclosure is in the “ON” position.
Raise the platform until travel stops.
Lower platform until arrow on runner is below arrow on upright, (or approximately 18”).
Push and hold open/close button (center button). Press lower button simultaneously to open platform.
GR02035
RAISING AND LOWERING PLATFORM
Press lower button to lower platform.
Press raise button to raise platform.
GR02036
CLOSING PLATFORM FOR TRANSIT
Assure platform is at least 18” below bed level.
Push and hold open/close button (center button). Press raise button simultaneously to close platform.
Raise folded platform up travel stops. Assure link arms are behind pins on upright.
IMPORTANT: Always raise platform into the transit position before moving vehicle.
GR02037
LOWERING PLATFORM FOR DOCK LOADING
Raise platform until travel stops.
Lower platform until bottom stop pins on platform engage with hooks on the insides of the uprights.
GR02038
OPEN/CLOSE
RAISE
LOWER
OPEN/CLOSE
RAISE
LOWER
OPEN/CLOSE
RAISE
LOWER
OPEN/CLOSE
RAISE
LOWER
Pin
Chapter 3 Operation Instructions
Page 3-2
CART STOP OPTION OPERATION INSTRUCTIONS
Push lever away from platform to release stop bar.
Rotate stop bar to lock in vertical position.
Rotate brace to engage stop bar.
GR01552
FOLDING RAMP OPTION OPERATION INSTRUCTIONS
Unlatch ramp and unfold to loading position.
Use cables for cart stop application. Assure ramp is latched when in transit position.
GR01553
Stop Bar
Lever Lock
Lever
Stop Bar
Brace
Ramp Latch
Chapter 3 Operation Instructions
Page 3-3
DUAL PUMP OPERATION INSTRUCTIONS
The liftgate may be equipped with an optional Dual Pump Unit. The purpose of the Auxiliary Pump unit is to provide a backup in the event of a malfunction of the Primary Pump or the switches on the column of the liftgate.
The Auxiliary Pump is NOT INTENDED FOR NORMAL OPERATION of the liftgate. Liftgate must be repaired as soon as possible after a malfunction of the Primary Pump unit occurs.
The Auxiliary Pump unit is operated with the Hand Held Remote Control located in the Hydraulic Enclosure.
TO OPERATE THE PRIMARY PUMP:
Move toggle switch on the pump to the “Primary Position”.
Operate liftgate with controls on columns as usual.
TO OPERATE THE AUXILIARY PUMP:
Move toggle switch on the pump to the “Auxiliary Position”.
Operate liftgate with Hand Held Remote Control.
GR02135
AUXILIARY HAND HELD REMOTE CONTROL:
If Equipped with a Dual Pump option, the Auxiliary Pump Hand held remote operates in the same manner as the outside Main Control Switches.
GR02043
Toggle Switch
Raise Button
Open / Close Button
Lower Button
Chapter 3 Operation Instructions
Page 3-4
HAND PUMP OPERATION INSTRUCTIONS:
The liftgate may be equipped with an optional Hand Pump. The purpose of the Hand Pump unit is to provide a backup in the event of a malfunction of the batteries, pump unit or controls.
The Hand Pump is NOT INTENDED FOR NORMAL OPERATION of the liftgate. Liftgate must be repaired as soon as possible after a malfunction occurs.
OPERATION OF HAND PUMP ON GRAVITY DOWN PUMPS
Raise platform to within approximately 18” of bed level with Hand Pump.
Make certain platform surface is clear of all objects.
Close manual valve (C), by turning clockwise, then use Hand Pump to close platform all the way.
Open manual valve (C), by turning counter-clockwise.
Continue to operate Hand Pump until platform is in fully raised position.
GR01986
OPERATION OF MANUAL OVERRIDE VALVES TO LOWER AND UNFOLD PLATFORM
Make certain that the area around the platform is clear before and during operation of liftgate.
Use valve (B) to manually open lowering valve then locate Lock Valve Slide Bar and lower platform down to approximately 18” from stored position by operating Lock Valve Slide Bar per Manual Lowering Decal.
Use valve (A) to open platform. Then valve (B) again to lower platform to ground.
Make certain Manual Override Valves (A & B) are closed, and Valve (C) is open when finished using Hand Pump.
GR01987
A
B
B A
C
Chapter 3 Operation Instructions
Page 3-5
OPERATION OF HAND PUMP ON POWER DOWN PUMPS
The Hand Pump is NOT INTENDED FOR NORMAL OPERATION of the liftgate. Liftgate must be repaired as soon as possible after a malfunction occurs.
Raise platform, using Hand Pump, to approximately 18” below bed level.
Using Hand Pump, close/fold platform.
To close platform:
• Push down on manual override valve and rotate clockwise to lock in over ride position.
• Use hand pump to fully close platform.
Using Hand Pump, raise closed platform to transit position.
To again raise platform:
• Push down on manual override valve and rotate counter-clockwise to unlock valve.
• Use hand pump to fully raise platform.
Make sure the Manual Override Valve is in the unlocked position when finished using hand pump.
80101475 DRWG
MANUAL OVERRIDE VALVE
LOCK
Chapter 4 Preventive Maintenance
Page 4-1
Waltco recommends that the WDL XT liftgate be inspected at 6 month or 3000 cycle intervals to help assure proper function and operation of the liftgate. Note: Photocopy the following PM Checklist to help keep track of periodic maintenance on the liftgate. Keep completed form with maintenance records. For more detailed instructions on the following checklist items, refer to the appropriate sections in this Owner’s Manual.
1 OK Repair Required Corrected Check that all controls operate properly. For Dual Pumps check the Auxiliary pump and controls.
2 OK Repair Required Corrected Check that the Positive Transit Mechanism (PTM) is properly functioning.
3 OK Repair Required Corrected Check that all decals are in place and legible.
4 OK Repair Required Corrected Check for oil leaks at cylinders, fittings, valves, steel lines and hoses.
5 OK Repair Required Corrected Check for apparent damage to the lifting structure, such as bent or distorted members or cracked welds, which may have resulted from overloading or abuse.
6 OK Repair Required Corrected Check that all pins, bolts and fasteners are tight and secure.
7 OK Repair Required Corrected Check that all rollers are turning when platform is raised & lowered and adjustable roller cartridge is properly adjusted.
8 OK Repair Required Corrected Inspect all bushings and bearings for wear and/or damage.
9 OK Repair Required Corrected Check all stop pads and blocks for wear and/or damage.
10 OK Repair Required Corrected Check that all protective covers are intact and secured.
11 OK Repair Required Corrected Check the batteries.
12 OK Repair Required Corrected Check all battery cables and connections (both positive and ground cables) to be sure they are tight and free of corrosion.
13 OK Repair Required Corrected Check the oil level in the reservoir.
14 OK Repair Required Corrected Lubricate the liftgate per the “Lubrication Instructions”.
15 OK Repair Required Corrected Inspect Pump Motor for wear or damage.
16 OK Repair Required Corrected Replace Hydraulic Fluid.
Chapter 4 Preventive Maintenance
Page 4-2
OPENING THE COLUMN ACCESS COVERS
In order to provide for easy access for service and inspection, the columns are equipped with hinged, removable access covers.
To open the access covers, remove the Hex Head Bolts in the lower portion of the covers.
The covers can now be opened. If required the covers can be removed by lifting them up to disengage the hinges.
GR02047
Column Access Cover
Cover is held in place with five (5) bolts
Chapter 4 Preventive Maintenance
Page 4-3
Check that all bolts, fasteners and pins are tight and secure:
1. All Cylinder Pin bolts.
2. Platform Pivot Pin Retention bolts (see below).
3. Lower Closer Cylinder Clevis bolt.
4. Pivot tube and linkage anchor bolts on platform and support chains.
GR02417
Check the Platform Pivot Pin Retention Bolts are in place and are secured with two screws as shown.
GR02048
Platform Pivot Pin Retention Bolt must be in place
Two screws must be in place to keep Bolt from loosening
Chapter 4 Preventive Maintenance
Page 4-4
CHECK BATTERIES Check electrolyte level of batteries. Check that all wiring and battery cable connections are tight and free of corrosion.
GR01471B
CHECK OIL LEVEL Lower platform to ground in open position. Fill hydraulic reservoir to within ½” of top of reservoir.
GR02135
Recommended Fluids Fill reservoir
Temperature Range Acceptable Fluids • Fill with recommended fluid or equivalent.
32 to 150° F Exxon Univis J-26 • With the platform on the ground, fill the reservoir to within 1/2” from the top.
Mobil DTE 13 Chevron AW 32 IMPORTANT Shell Tellus 23 Do not use the following fluids: -10 to 110° F Exxon Univis J-13 Brake Fluid
Shell Tellus 15 Power Steering Fluid Automatic Transmission Fluid (ATF)
-40 to 120° F Mobil DTE 11
A good quality SAE 10W motor oil may also be used if the recommended fluids are unavailable
Filler Plug
Chapter 4 Preventive Maintenance
Page 4-5
LUBRICATION INSTRUCTIONS
This liftgate is equipped with TeflonTM
bearings on most major pivot points and does not require any regular lubrication, except as outlined below.
• The Roller Cartridges in the uprights are equipped with sealed tapered roller bearings and should only require lubrication once every three to six (6) months as outlined in the lubrication schedule below. They should be lubricated with a good quality chassis grease at the six (6) grease fittings in each upright as shown.
NOTE: The Upright Covers will have to be opened to gain access to the outer three (3) grease fittings on each upright.
Suggested lubrication schedule
Cycles per year Frequency of Roller Bearing
lubrication
Less than 6000 6 months
More than 6000 3 months
GR02052
The only other points on the liftgate that require any lubrication are the points indicated below. These should be lubricated approximately once every three (3) months.
• Use a light weight machine oil to lubricate chain connecting link areas and (if equipped) the folding ramp hinges.
GR02418
Grease Fittings
Grease Fittings
Ramp Hinges
Linkage Anchors
Chapter 4 Preventive Maintenance
Page 4-6
SIGNS THAT CARTRIDGES NEED ADJUSTED
Under certain loading applications this liftgate can experience a break in period, during which the rolling surfaces of the Runners will wear in, conforming to the shape of the roller.
Excessive wear on the rolling surfaces of the Runners may cause the Runners to become loose, requiring the Adjustable Cartridges to be tightened.
If any of the following are observed, the Adjustable Cartridge may need tightened.
• With the Platform at Bed Height:
o Contact between Runner and Column.
o Significant toe in of the Runners, especially with a load on the platform.
GR02138
• Contact between Runner and PTM Valve.
• With the Platform in the closed position and the Open/Close position indicator arrows aligned, a loose Driver’s Side Runner. This can be observed by shaking Closed Platform.
If any of the above occurs, see the next section for Cartridge Adjustment.
GR02139
Runner/Column Contact
Runner Toe In
Loose Driver’s Side Runner
Closed Platform
Runner/PTM Valve Contact
Align Open/Close Arrows
Chapter 4 Preventive Maintenance
Page 4-7
Cartridge Adjustment
The Adjustable Roller Cartridges must be adjusted as follows:
• Open platform and raise to bed height.
• Open Column Access Covers to access Adjustment Bolt.
• Loosen or remove Jam Nut.
• Tighten Adjusting Bolts until Runners are parallel and square to the Uprights.
GR02064
• Lower platform until the Open/Close position indicator arrows are aligned and close the platform.
• Check if Driver’s Side Runner is loose by shaking Closed Platform. If movement is observed at the top of the Runner, tighten the Adjustment Bolt.
• Open the platform and completely cycle the liftgate to check that all contact issues have been resolved.
• Apply non permanent thread locking compound to the threads of the Adjusting Bolts.
• Re-install jam nuts on Adjusting Bolts to secure them in place.
GR02140
Align Open/Close Arrows
Column Access Cover
Adjustment Bolt
Closed Platform
Runner must be parallel and square to Upright
Jam Nut
Driver’s Side Runner
Chapter 4 Preventive Maintenance
Page 4-8
ANNUAL INSPECTION
Perform procedures outlined in semi-annual inspection.
Inspect pump motor:
• Disconnect battery cables.
• Remove motor end cover.
• Examine armature brushes for wear. Brushes should be replaced if they are less than 1/8" long.
• Clean residue from inside motor housing.
• Apply several drops of light weight machine oil to armature shaft bearing in motor end cover and reassemble motor end cover.
To replace Hydraulic Fluid:
• Open platform and lower to ground.
• Drain oil from hydraulic system using drain port located on bottom of reservoir and flush entire system.
• Fill reservoir to within ½” of top of reservoir.
GR02135
Recommended Fluids Fill reservoir
Temperature Range Acceptable Fluids • Fill with recommended fluid or equivalent.
32 to 150° F Exxon Univis J-26 • With the platform on the ground, fill the reservoir to within 1/2” from the top.
Mobil DTE 13 Chevron AW 32 IMPORTANT Shell Tellus 23 Do not use the following fluids: -10 to 110° F Exxon Univis J-13 Brake Fluid
Shell Tellus 15 Power Steering Fluid Automatic Transmission Fluid (ATF)
-40 to 120° F Mobil DTE 11
A good quality SAE 10W motor oil may also be used if the recommended fluids are unavailable
Reservoir
Motor
Chapter 4 Preventive Maintenance
Page 4-9
PURGING THE LIFT CIRCUIT WDL-XT Liftgates are equipped with two lift cylinders that operate in series (commonly referred to as a Master - Slave Hydraulic Circuit). If for any reason there is a loss of hydraulic fluid between the curb side and street side cylinders, the following purging procedure must be followed. Failure to do so can damage structural components of the liftgate. 1. Hold the Raise Switch until the Curb
Side Runner begins to move. Let go of Raise Switch immediately once movement is seen.
2. With a hoist or a forklift, mechanically raise the Street Side Runner while at the same time raising the Curb Side Runner by holding the Raise Button. Do not allow the platform to get more than 2” out of level.
3. Once the platform is raised to bed level, continue to hold the Raise Switch for 60-90 seconds.
NOTE: Before, during and after the purging procedure, be certain there is sufficient oil in pump reservoir.
GR02125
Direction of Fluid Flow when Raising
GR02098
STREET SIDE (SLAVE)
CYLINDER
CURB SIDE (MASTER) CYLINDER
Raise Street Side Runner with Hoist or
Forklift
Raise Curb Side Runner
with Pump and Controls
PUMP
Chapter 5 Placement of Decals
Page 5-1
Most decals are pre-installed by Waltco. Check that all are in place and install any that are supplied loose with the liftgate as shown below.
All decals must be in place and legible or all warranties are void.
ITEM DECAL QTY PART NO. LOCATION
1
Safety Instructions 1 80100850
Locate in a conspicuous place near controls.
Operation 1 80101471
Switch Operation 1 80101470
3500 # Capacity Decal 1 80100586
4500 # Capacity Decal 1 80100261
5500 # Capacity Decal 1 80101308
6600 # Capacity Decal 1 80101309
Important Decal 1 80100828
Thermalpak Decal 1 80101156
Hazard Decal 1 80101370
Caution Decal 2 75089296 Locate one in a conspicuous place near controls.
Locate one in a conspicuous place on driver side upright.
2 Folding Ramp Decal 2 80100482 Locate on side of ramp latch
3 Warning Decal 1 80100829 Locate next to each circuit breaker. In applications where multiple circuit breakers are used, place in all locations.
4
Dual Pump Decal 1 80101021 Locate decal inside hydraulic enclosure cover for all dual pumps.
Hand Pump Decal 1 80101456 Locate decal inside hydraulic enclosure cover for Gravity Down hand pumps Only (Single and Dual).
Hand Pump Decal 1 80101475 Locate decal inside hydraulic enclosure cover for Power Down hand pumps Only.
7 Reflective switch decal 2 80101455 Placed on face of switches
8 Closer Cylinder decal 1 80101466 Placed on barrel of Closer Cylinder near Air Valve
Chapter 5 Placement of Decals
Page 5-2
GR02419
Chapter 6 Lubrication
Page 6-1
LUBRICATION INSTRUCTIONS
This liftgate is equipped with TeflonTM
bearings on most major pivot points and does not require any regular lubrication, except as outlined below.
• The Roller Cartridges in the uprights are equipped with sealed tapered roller bearings and should only require lubrication once every three to six (6) months as outlined in the lubrication schedule below. They should be lubricated with a good quality chassis grease at the six (6) grease fittings in each upright as shown.
NOTE: The Upright Covers will have to be opened to gain access to the outer three (3) grease fittings on each upright.
Suggested lubrication schedule
Cycles per year Frequency of Roller Bearing
lubrication
Less than 6000 6 months
More than 6000 3 months
GR02052
The only other points on the liftgate that require any lubrication are the points indicated below. These should be lubricated approximately once every three (3) months.
• Use a light weight machine oil to lubricate chain connecting link areas and (if equipped) the folding ramp hinges.
GR02053
Grease Fittings
Grease Fittings
Ramp Hinges
Linkage Anchors
Chapter 7 PMs & Schematics
Page 7-1
Table of Contents
Single Pump and Single Pump with Hand Pump Gravity Down Electrical Schematic ............ 7-2
Single Pump and Single Pump with Hand Pump Gravity Down Hydraulic Schematic ............ 7-3
Single Pump and Single Pump with Hand Pump Power Down Electrical Schematic ............. 7-4
Single Pump and Single Pump with Hand Pump Power Down Hydraulic Schematic ............. 7-5
Dual Pump and Dual Pump with Hand Pump Gravity Down Electrical Schematic ................. 7-6
Dual Pump Gravity Down Hydraulic Schematic ...................................................................... 7-7
Dual Pump with Hand Pump Gravity Down Hydraulic Schematic ........................................... 7-8
Dual Pump Power Down Electrical Schematic ....................................................................... 7-9
Dual Pump Power Down Hydraulic Schematic ..................................................................... 7-10
WDL-XT Liftgate Hydraulic & Electrical Layout, Gravity Down ..................................... PM-725B
WDL-XT Liftgate Hydraulic & Electrical Layout, Power Down ...................................... PM-741B
WDL-XT Single Pump & Single Pump w/Hand Pump – Gravity Down Hydraulic & Electrical Layout ........................................................................................................... PM-726A
WDL-XT Single Pump & Single Pump w/Hand Pump – Power Down Hydraulic & Electrical Layout ........................................................................................................... PM-727A
27 75086057 10 3/8”-16 x 1-1/4” Long Bolt (Aluminum Ramp Only)
28 37415501 1 Curb Side Hinge Plate (Aluminum Ramp Only)
29 27310303 2 1/2” Dia. Clevis Pin
30 75084053 2 3/32” x 1” Long Cotter Pin
31 85803391 2 1-1/4” O.D. X 1” I.D. X 1” Long Bearing
32 85803550-1 2 Linkage Retainer Collar
33 75085161 2 1/4”-20 Lock Nut
34 75086215 2 1/4”-20 x 2-1/2” Hex Bolt
35 37414501 1 Ramp Latch Assembly
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WALTCOWALTCOWALTCOWALTCO TRUCK EQUIPMENT CO.
WDL XT
REVISED: 2/7/09 E.O. 5885GG REV. 03
PM-717
PLATFORM & LINKAGE – STEEL with FOLDING RAMP
See Note 2
See Note 1
See Note 2
See Note 1
Assembly Notes: 1. Use Non-Permanent Thread Locking Compound on
Threads. 2. Install Linkage Bar on the following Chain Link from the
Platform end of the Chain:
Platform Size Chain Link
60BE 21
72BE 27
86BE 27
IMP
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WALTCOWALTCOWALTCOWALTCO TRUCK EQUIPMENT CO.
WDL XT
REVISED: 2/7/09 E.O. 5885GG REV. 04
PM-718
ITEM PART NUMBER QTY DESCRIPTION
1 3190085-1
1 Pivot Tube, 96 OAW
3190085-2 Pivot Tube, 102 OAW
2
3190040-7
1
Platform, 60X77-1/2+15
3190040-9 Platform, 72X77-1/2+15
3190040-17 Platform, 60X83-1/2+15
3190040-19 Platform, 72X83-1/2+15
3190040-8 Platform, 60X77-1/2+15, Cart Stop
3190040-10 Platform, 72X77-1/2+15, Cart Stop
3190040-18 Platform, 60X83-1/2+15, Cart Stop
3190040-20 Platform, 72X83-1/2+15, Cart Stop
3
3190165-1
2
Chain Linkage Assembly, 60 BE
3190165-2 Chain Linkage Assembly, 60+15 & 72 BE
3190165-3 Chain Linkage Assembly, 72+15 & 86 BE
4 7500002-2 8 1/2-20 x 2” Long Flanged Bolt
5 7500001-2 8 1/2-20 Flanged Hex Nut
6 3190231 2 Down Stop Pin
7 75088256 16 1/2” Washer
8 75088083 12 1/2” Lock Washer
9 75086237 12 1/2-20 x 1-3/4” Long Hex Bolt
10 75088262 9 1-3/16 O.D. x 5/8” I.D. Washer
11 75084052 6 Cotter Pin
12 31517500 3 Deck Hinge Pin
13 10010174 18 9/16” ID x 3/4” OD x 2” Long Polygon Bearing
14 3190041-1
1 Link Anchor, Curb Side, 72+15
3190041-3 Link Anchor, Curb Side, 60+15
15 3190041-6
1 Link Anchor, Driver Side, 72+15
3190041-8 Link Anchor, Driver Side, 60+15
16
3190166-1 1
Link Bar, Curb Side, 60+15 & 72 BE
3190166-3 Link Bar, Curb Side, 72+15 & 86 BE
3190166-5 1 Link Bar, Curb Side, 60 BE
17
3190166-2
1
Link Bar, Driver Side,60+15 & 72 BE
3190166-4 Link Bar, Driver Side,72+15 & 86 BE
3190166-6 Link Bar, Driver Side, 60 BE
18 3190125-1 2 Inner Chain Anchor
ITEM PART NUMBER QTY DESCRIPTION
19 7500007-3 4 1/4-20 x 1-1/4” Long Flathead Screw
20 3190286-1 1 Chain Bracket, Curb side
21 3190286-2 1 Chain Bracket, Driver side
22 10010180 2 1-1/4” ID x 1-1/2” OD x 1/2” Long Polygon Bearing
23 3190046 2 Linkage Bar Retaining Washer
24 7500005-1 2 3/8-16 x 3/4” Long Screw
25 31719600 2 7/16”-20 U-Bolt
26 85803464 8 7/16-20 Nut
27 75086222 4 3/8-16 x 1-3/4” Long Hex Bolt
28 75088255 8 3/8” Washer
29 75085005 4 3/8-16 Hex Nut
30 22515100 2 Spring Bar
31 22515403
1 Curb Side Cart Stop, 96 OAW
32518500 Curb Side Cart Stop, 102 OAW
32 22515453
1 Driver Side Cart Stop, 96 OAW
32518550 Driver Side Cart Stop, 102 OAW
33 22513803
1 Rod, Cart Stop Hinge, 96 OAW
32518700 Rod, Cart Stop Hinge, 102 OAW
34 75088131 3 .875 O.D. Washer
35 22515200 1 Torsion Spring, Driver Side
36 22515300 1 Torsion Spring, Curb Side
37 22515500 2 Cart Stop Retainer
38 75086924 4 1/4-20 X 1 Hex Bolt
39 85803550-1 2 Linkage Retainer Collar
40 75085161 2 1/4-20 Nylon Lock Nut
41 75086215 2 1/4-20 X 2-1/2 Hex Bolt
IMP
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WALTCOWALTCOWALTCOWALTCO TRUCK EQUIPMENT CO.
WDL XT
REVISED: 2/7/09 E.O. 5885GG REV. 04
PM-718
PLATFORM AND LINKAGE – ALUMINUM with FIXED RAMP
See Note 2
See Note 1
See Note 2
See Note 1
Assembly Notes: 1. Use Non-Permanent Thread Locking Compound on
Threads. 2. Install Linkage Bar on the following Chain Link from the
Platform end of the Chain:
Platform Size Chain Link
60+15 32
72+15 32
IMP
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WALTCOWALTCOWALTCOWALTCO TRUCK EQUIPMENT CO.
WDL XT
REVISED: 2/7/09 E.O. 5885GG REV. 04
PM-719
ITEM PART NUMBER QTY DESCRIPTION
1 3190085-1
1 Pivot Tube, 96 OAW
3190085-2 Pivot Tube, 102 OAW
2
3190040-1
1
Platform, 60X77-1/2 BE
3190040-3 Platform, 72X77-1/2 BE
3190040-5 Platform, 86X77-1/2 BE
3190040-11 Platform, 60X83-1/2 BE
3190040-13 Platform, 72X83-1/2 BE
3190040-15 Platform, 86X83-1/2 BE
3190040-2 Platform, 60X77-1/2+16, Retention Ramp
3190040-4 Platform, 72X77-1/2+16, Retention Ramp
3190040-6 Platform, 86X77-1/2+16, Retention Ramp
3190040-12 Platform, 60X83-1/2+16, Retention Ramp
3190040-14 Platform, 72X83-1/2+16, Retention Ramp
3190040-16 Platform, 86X83-1/2+16, Retention Ramp
3 31714150
1 Ramp Plate, 96 OAW
31714100 Ramp Plate, 102 OAW
4 7500002-2 8 1/2-20 x 2” Long Flanged Bolt
5 7500001-2 8 1/2-20 Flanged Hex Nut
6 3190231 2 Down Stop Pin
7 75088256 14 1/2” Washer
8 75088083 12 1/2” Lock Washer
9 75086237 10 1/2-20 x 1-3/4” Long Hex Bolt
10 75088262 9 1-3/16 O.D. x 5/8” I.D. Washer
11 75084052 6 Cotter Pin
12 31517500 3 Deck Hinge Pin
13 10010174 18 9/16” ID x 3/4” OD x 2” Long Polygon Bearing
14
3190041-2
1
Link Anchor, Curb Side, 86 BE
3190041-4 Link Anchor, Curb Side, 60 BE
3190041-5 Link Anchor, Curb Side, 72 BE
15
3190041-7
1
Link Anchor, Driver Side, 86 BE
3190041-9 Link Anchor, Driver Side, 60 BE
3190041-10 Link Anchor, Driver Side, 72 BE
16 3190166-1
1 Link Bar, Curb Side, 60+15 & 72 BE
3190166-3 Link Bar, Curb Side, 72+15 & 86 BE
ITEM PART NUMBER QTY DESCRIPTION
3190166-5 Link Bar, Curb Side, 60 BE
17
3190166-2
1
Link Bar, Driver Side,60+15 & 72 BE
3190166-4 Link Bar, Driver Side,72+15 & 86 BE
3190166-6 Link Bar, Driver Side, 60 BE
18 3190125-1 2 Inner Chain Anchor
19 7500007-3 4 1/4-20 x 1-1/4” Long Flathead Screw
20 3190286-1 1 Chain Bracket, Curb side
21 3190286-2 1 Chain Bracket, Driver side
22 10010180 2 1-1/4” ID x 1-1/2” OD x 1/2” Long Polygon Bearing
23 3190046 2 Linkage Bar Retaining Washer
24 7500005-1 2 3/8-16 x 3/4” Long Screw
25 31719600 2 7/16”-20 U-Bolt
26 85803464 8 7/16-20 Nut
27 31714500 1 Ramp Latch Assembly
28 37419502 2 Cable Assembly
29 75085279 2 1/2-13 Lock Nut
30 75086110
2 1/2-13 X 2-1/2 Hex Bolt
75086295 1/2-13 X 3-1/2 Hex Bolt
31 3170001-1 1 Curb Side Ramp Hinge Assembly
32 3170001-2 1 Driver Side Ramp Hinge Assembly
33 75086057 12 3/8-16 x 1-1/4” Long Hex Screw
34 75085193 12 3/8-16 Hex Lock Nut
35 31715400 2 ½” X 2” X 4” Bar
36
3190165-1
2
Chain Linkage Assembly, 60 BE
3190165-2 Chain Linkage Assembly, 60+15 & 72 BE
3190165-3 Chain Linkage Assembly, 72+15 & 86 BE
37 85803550-1 2 Linkage Retainer Collar
38 75085161 2 1/4-20 Nylon Lock Nut
39 75086215 2 1/4-20 X 2-1/2 Hex Bolt
40 7500007-5
2 1/2-20 X 2 Flathead Screw (60BE Only)
75086237 1/2-20 x 1-3/4” Long Hex Bolt
41 75085181
2 1/2-20 Lock Nut (60BE Only)
75088256 1/2” Washer
IMP
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WALTCOWALTCOWALTCOWALTCO TRUCK EQUIPMENT CO.
WDL XT
REVISED: 2/7/09 E.O. 5885GG REV. 04
PM-719
PLATFORM & LINKAGE – ALUMINUM with FOLDING RAMP
See Note 2
See Note 1
See Note 2
See Note 1
Assembly Notes: 1. Use Non-Permanent Thread Locking Compound on
Threads. 2. Install Linkage Bar on the following Chain Link from the
Platform end of the Chain::
Platform Size Chain Link
60BE 22
72BE 32
86BE 32
IMP
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WALTCOWALTCOWALTCOWALTCO TRUCK EQUIPMENT CO.
WDL XT
REVISED: 5/27/08 E.O. 5885Z REV. 02
PM-722
ITEM PART NUMBER QTY DESCRIPTION
1 3190085-1
1 Pivot Tube, 96 OAW
3190085-2 Pivot Tube, 102 OAW
2 3190066-1 1 Curb Side Runner
3 3190022-1 1 Driver Side Runner
4 85803550-1 2 Linkage Retainer Collar
5 75085161 2 1/4”-20 Lock Nut
6 75086215 2 1/4”-20 x 2-1/2” Long Hex Bolt
7 1000101-2 3 Lower Cylinder Pin
8 7500017-3 7 3/8”-16 x 1” Long Hex Screw
9 3190187 2 Backstop Block
10 3190119-1 1 Curb Side Interface Bearing
11 3190119-2 1 Driver Side Interface Bearing
12 3190215 1 Curb Side Platform Pin
13 3190235 1 Driver Side Platform Pin
14 10010178 1 1-1/2 ID x 1-3/4 OD x 1” Lg Polygon Bearing
15 10010180 1 1-1/2 ID x 1-3/4 OD x .5” Lg Polygon Bearing
16 3190075 1 Closure Hub
17 7500001-1 1 Flanged Hex Nut, 1/2-13
18 7500019-1 1 Socket Head Shoulder Screw
19 7500010-2 2 Hex Bolt, 1/2-20 X 1
20 7500043-3 4 #8-32 x 1/2” Long Hex Socket Button Cap Screw
21 10010164 2 1-1/4 ID x 1-1/2 OD x 1” Lg Polygon Bearing
IMP
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WALTCOWALTCOWALTCOWALTCO TRUCK EQUIPMENT CO.
WDL XT
REVISED: 5/27/08 E.O. 5885Z REV. 02
PM-722
RUNNERS & PIVOT TUBE
Assembly Notes: 1. Use anti-seize lubricant on Teeth/Thread. 2. Tighten Curb Side Bolt with Platform in the Open Position. 3. Tighten Driver’s Side Bolt with Platform in the Closed Position.
See Note 1
See Notes 1 & 3
See Notes 1 & 2
See Note 1
IMP
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WALTCOWALTCOWALTCOWALTCO TRUCK EQUIPMENT CO.
WDL XT
REVISED: 2/25/09 E.O.(dev) 5885GG REV. 01
PM-724B
ITEM PART NUMBER QTY DESCRIPTION
1 3190069-1 1 Curb Side Column Weldment
2
3190069-5
1
Driver Side Column Weldment
3190069-9 Driver Side Column Weldment with Controls
DUAL PUMP POWER DOWN HYDRAULIC & ELECTRICAL LAYOUT IMP
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WALTCOWALTCOWALTCOWALTCO TRUCK EQUIPMENT CO.
WDL XT
REVISED: 2-27-08 E.O. 6000 REV. 01
PM-742
ITEM PART NUMBER QTY DESCRIPTION
1 3190180-1 1 Pump & Battery Box Sub-Assembly
2 10291503 1 Battery Cover
3 75089321 3 3/4” ID Grommet
4 10291403 2 Battery Holder
5 75088052 4 5/16” x 7/8” OD x .083” Thick Steel Washer
6 75085177 4 5/16”-18 Lock Nut
7 10291804 2 Threaded Battery Retainer Bar
8 75089744 4 Rubber Draw Latch
9 75089243 1 150 Amp Circuit Breaker
10 10099500 1 Terminal Link
11 75089436 8 5/32” Aluminum Rivet
12 75085003 2 5/16-18 Serrated Hex Nut
13 75086217 1 5/16-18 x 1-1/4” Long Hex Bolt
14 10099501 1 90 Degree Terminal Link
15 10195836 1 36” Long Positive Cable Assembly
16 10195536 1 36” Long Battery Cable Assembly
17 See Table Below Positive Battery Cable Assembly
18 10195508 2 8” Battery Cable Assembly
19 See Table Below Negative Battery Cable Assembly
20 75088036 N/A Black Heat Shrink Tube
75088038 N/A Red Heat Shrink Tube
21 75080041 N/A 2 GA Compression Type Nut
75080042 N/A 0 GA Compression Type Nut
22 75080040 N/A Compression Terminal w/ 3/8” Hole
23 75080006 1 Plug (Single Pole)
24 75080005 1 Socket (Single Pole)
75092001 1 Socket (Dual Pole)
25 75089328 N/A Rubber Boot
26 75089031 N/A 0 GA Battery Cable
75089033 N/A 2 GA Battery Cable
AVAILABLE POSITIVE BATTERY CABLE ASSEMBLIES
PART NUMBER DESCRIPTION
10195810 Positive (Red) Battery Cable Assy, 2 Ga. X 120” Lg
10195824 Positive (Red) Battery Cable Assy, 2 Ga. X 24” Lg
10195836 Positive (Red) Battery Cable Assy, 2 Ga. X 36” Lg w/ Boot
10195887 Positive (Red) Battery Cable Assy, 2 Ga. X 87” Lg w/ Boot
AVAILABLE NEGATIVE BATTERY CABLE ASSEMBLIES
PART NUMBER DESCRIPTION
10195606 Negative (Black) Battery Cable Assy, 2 Ga. X 72” Lg w/ Boot
10195608 Negative (Black) Battery Cable Assy, 2 Ga. X 96” Lg w/ Boot
10195610 Negative (Black) Battery Cable Assy, 2 Ga. X 120” Lg w/ Boot
10195612 Negative (Black) Battery Cable Assy, 2 Ga. X 144” Lg w/ Boot
10195616 Negative (Black) Battery Cable Assy, 2 Ga. X 192” Lg w/ Boot
10195620 Negative (Black) Battery Cable Assy, 2 Ga. X 240” Lg w/ Boot
10195625 Negative (Black) Battery Cable Assy, 2 Ga. X 300” Lg w/ Boot
10195630 Negative (Black) Battery Cable Assy, 2 Ga. X 360” Lg w/ Boot
10195635 Negative (Black) Battery Cable Assy, 2 Ga. X 420” Lg w/ Boot
10195636 Negative (Black) Battery Cable Assy, 2 Ga. X 432” Lg w/ Boot
10195638 Negative (Black) Battery Cable Assy, 2 Ga. X 456” Lg w/ Boot
IMP
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correct p
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ers.
WALTCOWALTCOWALTCOWALTCO TRUCK EQUIPMENT CO.
WDL XT
REVISED: 2-27-08 E.O. 6000 REV. 01
PM-742
AUXILIARY BATTERY ENCLOSURE COMPONENTS (OPTIONAL ON ALL PUMPS)
IMP
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80101389 Page 8-1 EO 5534A
Rev 02
Chapter 8 – How To Order Parts
Repairs should be made only by authorized mechanics using WALTCO Replacement parts. When ordering repair or replacement parts, please include all the information asked for below. If this information is not available, a complete written description or sketch of the required part will help WALTCO identify and deliver the needed part to you. ________________________________________________________________
THE FOLLOWING INFORMATION MUST BE INCLUDED:
1. SERIAL NUMBER - [WALTCO liftgate serial numbers can be found on the Specification Tag attached to the mount frame. (On older units the Specification Tag is located on the side or bottom of the platform.)]
2. MODEL NUMBER - [Or capacity] 3. PLATFORM SIZE ________________________________________________________________
THEN INCLUDE THE FOLLOWING INFORMATION:
4. PART NUMBERS 5. DESCRIPTION 6. QUANTITY REQUIRED ________________________________________________________________
ALL PARTS ARE F.O.B. FROM THE SHIPPING FACTORY ________________________________________________________________
PLEASE NOTE:
To assure you of continuing and effective quality control, our warranty policy permits replacement of hydraulic cylinders, valves and motor pump units when their factory seals are intact. Parts under warranty will be exchanged promptly after careful inspection of the returned assemblies.
________________________________________________
IMPORTANT
TO BE KEPT IN VEHICLE __________________________________________________________
CAUTION:
STAND CLEAR AND KEEP CLEAR OF PLATFORM AREA WHILE OPERATING LIFTGATE.
FOR OPERATION OF THIS UNIT, REFER TO THE “OPERATION INSTRUCTIONS” INSIDE THE OWNER’S MANUAL AND THE OPERATION INSTRUCTIONS DECAL.
LUBRICATION INSTRUCTIONS
Refer to the lubrication chart in this manual.
DO’S AND DON’TS
DO: Make certain area in which the platform will open and close is clear before opening or closing platform.
DO: Make certain platform is properly latched when in transit.
DO: Make certain platform area, including the area in which loads may fall from platform, is clear before and at all times during operation of the liftgate.
DO: Operate the liftgate with the control switches only.
DO: Check oil level monthly and change oil yearly.
DO: Use hydraulic fluids listed on the HYDRAULIC FLUID CHART (found inside this manual) or equivalent.
DO: Lubricate as per the LUBRICATION INSTRUCTIONS AND LUBRICATION SCHEDULE found in this book.
DO: Read and follow WARNING DECALS, OPERATION DECALS and OWNER’S MANUAL.
DO: Visually inspect the liftgate frequently and keep it in adjustment.
DO: Be certain vehicle is properly and securely braked before using the liftgate.
DO: Repair the liftgate when it is found to be faulty to prevent accidents.
DO: Keep all decals in place and legible and retain the Owner’s Manual in the vehicle or ALL WARRANTIES ARE VOID.
DON’T: Allow the liftgate to be used by persons not familiar with its operation.
DON’T: Use the liftgate if unit shows signs of abuse or fails to operate freely.
DON’T: Permit the motor to run after the liftgate is raised to bed level.
DON’T: Overload the liftgate (Refer to Manual for proper capacity of liftgate).
