PREVENTIVE MAINTENANCE SCHEDULE
PREVENTIVE MAINTENANCE (PM) INTERVALS
SYSTEM COMPONENT MAINTENANCE TASK
Recommended PM
Interval
I A B
C
D E
Power
Steering
Steering intermediate shaft
U-joints (ON HIGHWAY)
Lubricate [EP NLGI #2 HD grease, +325° F to -10° F (+163° C
to -23° C) range].
X X
Steering intermediate
shaft
U-joints (OFF HIGHWAY or
CITY DELIVERY)
Lubricate [EP
NLGI #2 HD grease, +325° F to -10° F (+163° C
to -23° C) range].
X X
Draglink and
tie rod arm ball
sockets (ON HIGHWAY)
Lubricate (EP NLGI #2 lithium-based, moly-lled, HD grease).
X X
Draglink and
tie rod arm ball
sockets (OFF HIGHWAY or
CITY DELIVERY)
Lubricate (EP NLGI #2 lithium-based, moly-lled, HD grease).
X X
Fuel and
Tanks Fuel tanks
Inspect tanks, brackets, hoses, and ttings for correct location,
tightness, abrasion damage, and leaks; repair or replace as
required.
X
Fuel tank
breathers
Check for proper function; clean the drain hoses.
X
Fuel tank
straps
Check the strap tightness; tighten to proper torque value as
required:
Aluminum tank: 30 Lb. ft. (41 N.m.)
Cylindrical Steel tank: 8 Lb. ft. (11 N.m.)
X X
5
(04/13) Y53-6047–2C 5-27
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