Chapter 4 Preventive Maintenance
Waltco recommends that the BZ-Series 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.
Do not continue to use liftgate if any points of inspection listed at left, or below, may cause
you to think the liftgate is unsafe. Repair immediately.
If liftgate is found to be in need of repair or adjustment not covered in this manual, contact
your nearest Waltco Distributor.
WALTCO BZ-SERIES LIFTGATE
PREVENTIVE MAINTENANCE CHECKLIST
PM Interval: 6 Months or 3000 Cycles
Date: ______________
Vehicle No.__________
Mechanic:_________________
Liftgate S/N:____________
Model:______________
Check appropriate box below for each step:
6 Month Liftgate PM Procedures
1
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.
2
OK
Repair Required
Corrected
Check that all pins, bolts and fasteners are tight and secure.
3
OK
Repair Required
Corrected
Check for worn or damaged bearings.
4
OK
Repair Required
Corrected
Check that controls operate properly.
5
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.
6
OK
Repair Required
Corrected
Check operation of lockout device.
7
OK
Repair Required
Corrected
Check for hydraulic leaks in hydraulic cylinder(s), hoses, fittings, and
valves.
8
OK
Repair Required
Corrected
Check oil level in reservoir.
9
OK
Repair Required
Corrected
Check lowering speed of platform.
10
OK
Repair Required
Corrected
Check that all decals are in place and legible.
11
OK
Repair Required
Corrected
Lubricate the liftgate per the “Lubrication Instructions”.
12 Month Liftgate PM Procedures (Includes steps 1-11 above)
13
OK
Repair Required
Corrected
Inspect Pump Motor for wear or damage.
14
OK
Repair Required
Corrected
Replace Hydraulic Fluid.
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