PART 8: MAINTENANCE AND SERVICE PREVENTIVE MAINTENANCE SCHEDULE
(R10/06) Y53-6007 – 123 –
Front
Suspension
Spring Pins Lubricate. X
Shock Absorbers Inspect for leaking, body damage, and damaged or worn bushings.
Replace as required.
X
Shock Absorbers Check for proper function. X
U-bolts (ON HIGHWAY) Check the general condition and the tightness of the nuts. Tighten the nuts
to the specified torque value as required (see
page 184 ).
X X
U-bolts (OFF HIGHWAY) Check the general condition and the tightness of the nuts. Tighten the nuts
to the specified torque value as required (see
page 184 ).
X
Drive Axle
(Dana)
Axle Housing Visually inspect for damage or leaks. X
Axle Housing Check oil level. Check “cold.” Torque the drain plug. X
Axle Housing Drain the lubricant while warm. Flush each unit with clean flushing oil.
Change the lubricant.
See information on page
149
Air Shift Unit Check the lubricant level. X
Air Shift Unit Remove the housing cover and drain the lubricant. Wash the parts thor-
oughly and dry in air.
X
Table 2 Preventative Maintenance Schedule (Continued)
SYSTEM COMPONENT MAINTENANCE TASK
Recommended
PM Interval
I ABCDE
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