Instruction Manual

Maintenance on your Challenger Hydraulic dockleveler can be classified as both
weekly and monthly.
WEEKLY MAINTENANCE
1. At least once each week, operate the unit through all of its operating cycles to
maintain lubrication.
PREVENTIVE MAINTENANCE
Figure 18
OIL AT ALL
REAR HINGES.
APPLY OIL AT
TOP OF
HINGES WHEN
LEVELER IS
FULL BELOW
DOCK.
OIL PIVOT
POINTS ON
LOGIC
BLOCK
GREASE AT HOIST
CYLINDER
TRUNNION
OIL ALONG
ENTIRE LIP HINGE.
APPLY OIL AT TOP
OF HINGE WHEN
LEVELER IS FULL
BELOW DOCK
WITH LIP FOLDED.
OIL LIP LIFTER AND PIN
16
2. Inspect the dockleveler platform hinge area and lip area. The hinge areas
should be kept free of debris and dirt. Build up of foreign material in the hinge
areas will cause abnormal operation. NOTE: Position the dockleveler in the
full below dock position to thoroughly inspect the platform (rear) hinge area.
MONTHLY MAINTENANCE
1. Lubricate the unit as shown in figure 18. Failure to properly lubricate the unit
will cause abnormal operation of the unit.