WALTCO WDV - Quarterly Preventive Maintenance Guide; Inspect Liftgate Columns; Inspect Dock Bumpers; Inspect Liftgate Platform

Quarterly Preventive 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.
For more detailed instructions on the following checklist items, refer to the appropriate sections in this Owner’s
Manual.
Date:
1/9/2009
Inspection/PMperformedby:
Trailer/Truck#:
LiftgateSerial#: LiftgateModel#:
Checkappropriateboxesbelow
Quarterly Inspection/PM Procedure
Inspect Liftgate columns:
OK RepairNeeded Corrected 1
Inspect for any physical damage, twisted, bend, spreading, broken welds,
top and bottom.
OK RepairNeeded Corrected 2
Inspect for loose or missing bolts.
OK RepairNeeded Corrected 3
Inspect that travel ear properly engages autolatch cam.
Inspect Liftgate dock bumpers:
OK RepairNeeded Corrected 4
Check for bent or broken steel bumper plates.
OK RepairNeeded Corrected 5
Inspect that dock bumpers are tight against columns and break away welds
are in tact.
OK RepairNeeded Corrected 6
Inspect for missing or damaged slide pad.
Inspect Liftgate platform:
OK RepairNeeded Corrected 7
Inspect for loose nuts, bolts and roll pins (Main hinge pin bolt, folding hinge
bolt, roll stop and flip ramp bolts.)
OK RepairNeeded Corrected 8
ALUMINUM PLATFORM ONLY: Inspect that aluminum platform side plate
bolts are tightened to 30 ft-lbs.
OK RepairNeeded Corrected 9
Inspect for any signs of overload damage, cracked or broken welds.
OK RepairNeeded Corrected 10
Inspect platform side chains, side chain hardware, side arm assembly, side
attachment assembly for bent or missing parts.
OK RepairNeeded Corrected 11
Inspect that platform is level with the vehicle floor in the fully raised
position.
OK RepairNeeded Corrected 12
Inspect folding hinges on platform and ramp for wearing. Platform should
open flat with no dipping at center.
OK RepairNeeded Corrected 13
On liftgates with roll stops, inspect that roll stop opens when retainer is
disengaged. Clean out roll stop hinge and lubricate with silicon spray.
Inspect Liftgate runner assembly
OK RepairNeeded Corrected 14
Inspect for cracked or broken welds on hinge tube.
OK RepairNeeded Corrected 15
Inspect that pins are secure by making sure the pin retainers are in place
and the retainer bolts are not loose or missing.
OK RepairNeeded Corrected 16
Inspect wear pads for wear and bracket for missing or broken bolts.
OK RepairNeeded Corrected 17
Inspect runner for physical damage.
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