LUBRICATION AND MAINTENANCE
5-14
Check Differential Fluid Level
The differential is located under the vehicle,
on the rear axle. The fill/level plug is directly
above the drain plug on the rear of the differ-
ential.
Remove the differential fill/level plug (1) and
check the fluid level. The fluid should be level
with the bottom of the fill/level hole.
IMPORTANT: Use only Lucas 80/90 Gear Oil
for the differential fluid.
If required, add Lucas 80/90 Gear Oil to fill
the differential to the bottom of the fill/level
hole.
Install the plug and tighten.
Check Rear Differential for Leaks
Inspect the differential for leaks at the U-joint,
near the drop boxes, and between inner and
outer housings. Repair the leaks before oper-
ating the Apache Sprayer.
Re-Phase Steering Cylinders
Start the engine, allow it to reach operating temperature, and bring the engine to 1000 rpm. Operate the
vehicle in a forward direction and turn the steering wheel to the right until the steering cylinder bottoms
out. After the steering cylinder bottoms out, stop the vehicle, but continue to turn the steering wheel.
Continue to turn the steering wheel toward the right for 5 minutes. This will be approximately 140 revolu-
tions. Repeat the above steps while turning toward the left to re-phase the left side steering cylinder.
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