Peterbilt 579 - Page 262

PREVENTIVE MAINTENANCE SCHEDULE
5
PREVENTIVE MAINTENANCE (PM) INTERVALS
SYSTEM COMPONENT MAINTENANCE TASK
Recommended PM
Interval
I A B
C
D E
Power
Steering
Reservoir
Check the uid level (shown on page 5-47).
X
Reservoir (ON
HIGHWAY) Drain, replace the lter, and rell (shown on page 5-47).
X X
Reservoir (OFF
HIGHWAY) Drain, replace the lter, and rell (shown on page 5-47).
X X
Steering gear
Check the lash of the sector shaft; adjust as required.
X
Grease the
trunnion bearing (EP NLGI #2 lithium-based,
moly-lled, HD grease).
X
Grease the
input shaft seal (EP NLGI #2 lithium-based,
moly-lled, HD grease).
X
Power assist
cylinder
Lubricate the ball joints. Inspect for leaking rod seals, damaged
ball joint boots, and damage to cylinder rod or barrel.
X
Hoses and
tubes
Check for leaks and chang.
X
Steering linkage
Check all joints for excessive lash; replace as required (shown
on page 5-130).
X
Draglink tube
clamp and
ball socket
Check the torque; tighten to specied torque value as required.
X X
Pitman arm
clamp bolt and
nut
Check the torque; tighten to specied torque value as required.
X X
Steering intermediate
shaft Check the torque on the pinch bolt and nut.
X X
5-26 Y53-6047–2C (04/13)