PREVENTIVE MAINTENANCE SCHEDULE
5
PREVENTIVE MAINTENANCE (PM) INTERVALS
SYSTEM COMPONENT MAINTENANCE TASK
Recommended PM
Interval
I A B
C
D E
Front
Suspension
Front Spring Inspect for cracked leaves, worn bushings, and excessive
corrosion.
X
Spring Pins
and Shackles Inspect for worn parts and excessive joint clearance. Shim
or replace as required.
X
Shock Absorbers
Inspect for leaking, body damage, and damaged or worn
bushings. Replace as required. Check the shock mounting
stud torque.
X
Spring Pins
Lubricate with approved grease. X
Check for
proper function.
X
U-bolts (ON
HIGHWAY) Check the general condition and the tightness of the nuts.
Tighten the nuts to the specied torque value as required
(shown on page 5-110).
X X
U-bolts (OFF
HIGHWAY) Check the general condition and the tightness of the nuts.
Tighten the U-bolts after the rst day or two of operation.
Then tighten the nuts to the specied torque value as required
(shown on page 5-110).
X
5-16 Y53-6047–2C (04/13)
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