PART 8: MAINTENANCE AND SERVICE PREVENTIVE MAINTENANCE SCHEDULE
(R05/10) Y53-6032 – 147 –
Front
Suspension
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 207
).
XX
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 207
).
X
Drive Axle
(Dana)
Axle Housing Visually inspect for damage or leaks. X
Check oil level. Check “cold.” Torque the drain plug. X
Drain the lubricant while warm. Flush each unit with clean flushing oil.
Change the lubricant.
See information on page
170
Air Shift Unit Check the lubricant level. X
Remove the housing cover and drain the lubricant. Wash the parts thor-
oughly and dry in air.
X
Breather Clean or replace. X
Lube Pump (ON HIGHWAY) Remove the magnetic strainer and inspect for wear particles. Wash in sol-
vent and dry in air.
X
Lube Pump (OFF HIGHWAY) Remove the magnetic strainer and inspect for wear particles. Wash in sol-
vent and dry in air.
X
Table 2 Preventative Maintenance Schedule (Continued)
SYSTEM COMPONENT MAINTENANCE TASK
Recommended
PM Interval
I ABCDE
Y53-6032.book Page 147 Monday, May 24, 2010 3:37 PM