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Last Change(s)
Date
Page(s)
EO:11009 Rev 01
04-2024
8/22/2024
www.waltco.com
parts@waltco.com
Owner's Manual
MDV, MDVBG
2000 - 4000 lb. Capacity Rail-Type Liftgates
Corporate Office United States
Description
Waltco Lift Corp.
1777 Miller Parkway
Streetsboro, OH 44241
P: 330.633.9191
F: 330.633.1418
Phone: 800.411.5685
Fax: 800.411.5684
80132702
1
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Table of Contents
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Summary of Contents for WALTCO MDV
- Page 1 Phone: 800.411.5685 parts@waltco.com Fax: 800.411.5684 Owner's Manual MDV, MDVBG 2000 - 4000 lb. Capacity Rail-Type Liftgates Last Change(s) Date Page(s) Description Waltco Lift Corp. Corporate Office United States 1777 Miller Parkway Streetsboro, OH 44241 P: 330.633.9191 F: 330.633.1418 EO:11009 Rev 01...
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Page 2: Table Of Contents
Table of Contents Improper operation and maintenance of this liftgate could result in severe personal injury or death. Read and understand the contents of this manual and all warning and operation decals before operating and/or performing maintenance on this liftgate. Introduction............................ -
Page 3: Installation
OWNER'S MANUAL The Waltco Owner's 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 qulaified to do so. -
Page 4: Safety Information
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. Never transfer loads which exceed lifting capacity on or over any part of the Platform or Bed Extension unless the liftgate is equipped with a special reinforced Platform and Platform Support Bars for use when the Platform is used as a loading ramp (dock board). -
Page 5: Signal Words
Inspect Roller Chains every (3) three months or 750 cycles, whichever comes first. Roller Chains must be measured and checked for signs of stretching. If the chain is stretched by more than 3% they should be replaced. Replace Roller Chains every (5) five years or 15,000 cycles whichever comes first. Replace only with WALTCO APPROVED Roller Chain. -
Page 6: Warranty Information
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. Waltco Lift Corp... -
Page 7: Liftgate Terminology
Chapter 2 Liftgate Terminology MODEL NAME DESCRIPTION CAPACITY MDV-20 MDV-20 Series 2000 lb. MDV-30 MDV-30 Series 3000 lb. MDV-40 MDV-40 Series 4000 lb. MDVBG-40 MDVBG-40 Series 4000 lb. 8/22/2024... - Page 8 Chapter 2 Liftgate Terminology 1. Curb Side Column 8. Bottom Stop Catch 15. Power Open-Close Cylinder 2. Drivers Side Column 9. Deck 16. Drivers Side Lift Cylinder 3. Lights 10. Deck Extension 17. Curb Side Lift Cylinder 4. Inside Switch 11.
- Page 9 Chapter 2 Liftgate Terminology 21. Pump Box Lid 24. Pump and Motor 22. Pump Box Base 25. Motor Start Solenoid 23. Mounting Rail 26. Control Harness 8/22/2024...
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Page 10: Operation Instructions
Chapter 3 Operation Instructions OPERATION INSTRUCTIONS Read and understand these instructions, all warning and operation decals, and this manual before operating this liftgate. When in transit, Platform must be in stored position with Travel Ears in Travel Locks. Do not allow anyone to stand in, or near area, in which Platform will open and close before opening or closing Platform. -
Page 11: Opening Platform
Chapter 3 Operation Instructions OPENING PLATFORM 1. Be certain operating area around platform is clear before opening platform. 2. Using the “LOWER” button, power platform down so that it is completely out of the travel locks. 3. Once the travel latch is clear, the platform can be opened. - Page 12 Chapter 3 Operation Instructions LOWERING PLATFORM FOR DOCK LOADING 1. Use the cab shutoff switch turn on power. 2. Using the “LOWER” switch, power platform down until the platform is level with the truck floor. 3. When finished Dock Loading be certain to raise platform to travel position before pulling truck away from dock.
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Page 13: Preventative Maintenance
Chapter 4 Preventative Maintenance Waltco recommends that the WDV / WDVBG 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. - Page 14 Chapter 4 Preventative Maintenance 15 OK Repair Required Corrected Inspect that pins are secure by making sure the pin retainers are in place and the retainer bolts are not loose or missing. 16 OK Repair Required Corrected Inspect wear pads for wear and bracket for missing or broken bolts. 17 OK Repair Required Corrected Inspect runner for physical damage.
- Page 15 Chapter 4 Preventative Maintenance Check that all bolts, fasteners and pins are tight and secure: 1. All Lift Cylinder Pin bolts torqued to 90 ft-lbs 2. Power Open-Close Cylinder Pin bolts torqued to 122 in-lbs. 3. Inspect Linkage bolts and Clevis on platform and support chains and tighten as needed.
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Page 16: Check Batteries
Chapter 4 Preventative Maintenance If liftgate is WDVBG, check additional bolts, fasteners and pins are tight and secure: 1. Platform Ramp Hinge Pins and Hinge Plates. 2. All Guard Railing Pivot points. CHECK BATTERIES Check electrolyte level of batteries (if applicable). Check that all wiring and battery cable connections are tight and free of corrosion. -
Page 17: Lubrication Instructions
Fill reservoir • Fill with recommended fluid or equivalent. • Fill the reservoir to within 2” from the top. (Oil level instructions above) • Fluids are available from the Waltco Parts Dept. 1-800-411-5685 www.waltco.com Note: Do not use the following fluids: •... -
Page 18: Placement Of Decals
Properly placed warning decals are an essential part of your safety program. Check that all safety decals are in place and are legible. Any missing decals MUST be replaced immediately. Replacement decals may be obtained FREE of charge from your distributor or by contacting Waltco Part Sales: Phone: (800) 411-5685, Email: parts@waltco.com If your liftgate is equipped with dual controls, an additional Safety Instruction decal (80100850) is to be placed in a conspicuous place near the second set of controls. -
Page 19: Lubrication Instructions
Chapter 6 - Lubrication LUBRICATION INSTRUCTIONS The following areas ONLY should be lubricated approximately once a month, or as outlined in the lubrication scheduled for heavier usage. If not sure of duty or cycles, always lubricate more frequently. (For all wear pads use a low viscosity lubricant such as machine oil or equivalent. -
Page 20: Single Power Unit Schematic
Chapter 7 PM's & Schematics POWER UNIT HYDRAULIC/ELECTRICAL SCHEMATIC, SINGLE POWER UNIT – POWER DOWN 8/22/2024... -
Page 21: How To Order Parts
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)]... - Page 22 This page intentionally left blank. 8/22/2024...
- Page 23 Every vehicle that has a WALTCO liftgate must have legible WARNING AND OPERATION 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 WARNING DECALS, OPERATION DECALS and OWNER'S MANUALS can be obtained from WALTCO LIFT CORP.
- Page 24 IMPORTANT KEEP THIS OWNER'S MANUAL IN THE VEHICLE WARNING Improper operation and maintenance of this liftgate could result in severe personal injury or death. Read and understand the contents of this manual and all warning and operation decals before operating and/or performing maintenance on this liftgate.
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