PART 8: MAINTENANCE AND SERVICE PREVENTIVE MAINTENANCE SCHEDULE
(R05/10) Y53-6032 – 149 –
Rear
Suspension
U-bolts Check the torque. Tighten to specified torque value as required (see page
207).
XX
Frame & crossmember bolts Check the torque. Tighten to specified torque value as required (see page
208).
X
Mounting brackets and fas-
teners
Check the condition and the fastener torque. Tighten to the specified
torque value as required (see page 208
).
XX
Drum
Brakes
(All)
Slack adjusters Check the push rod travel and check the control arm for cracks. Adjust at
reline (see page 173
).
X
Lubricate (NLGI #2 grease). X
Brake camshaft bearing Lubricate (NLGI #2 grease). X
Check for excessive cam shaft play in the axial and radial directions. Max
allowable play is 0.003”.
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
Brake air system Check air lines and fittings for leaks (see page 173
). Adjust routing as
required to reduce chafing. Check tank mounting and condition.
X
Brake air system Clean or replace the inline filters. X
Brake lining Inspect; replace as required. X
Table 2 Preventative Maintenance Schedule (Continued)
SYSTEM COMPONENT MAINTENANCE TASK
Recommended
PM Interval
I ABCDE
Y53-6032.book Page 149 Monday, May 24, 2010 3:37 PM
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