PREVENTIVE MAINTENANCE SCHEDULE
PREVENTIVE MAINTENANCE (PM) INTERVALS
Recommended PM
Interval
SYSTEM
COMPONENT
MAINTENANCE TASK
I
A
B
C
Check the push rod travel and check the control arm for cracks.
Adjust at reline (shown on page 5-66).
X
Slack adjusters
Lubricate (NLGI #2 grease).
X
Brake camshaft bearing
Check for excessive camshaft paly in the axial and radial directions.
Max allowable play is 0.003 in. Lubricate (NLGI #2 grease).
X
Brake treadle valve
Clean the area around the treadle, boot, and mounting plate.
Check the pivot and mounting plate for integrity. Check the plunger
boot for cracks. Lubricate roller pin, pivot pin, and plunger (NLGI
#2 grease).
X
Check air lines and fittings for leaks (shown on page 5-54). Adjust
routing as required to prevent chafing. Check tank mounting and
condition.
X
Brake air system
Clean or replace the inline filters.
X
Drum Brakes
(All)
Brake lining
Inspect; replace as required.
X
(03/17)
Y53-6060-1C1
5-21
5
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