PART 8: MAINTENANCE AND SERVICE PREVENTIVE MAINTENANCE SCHEDULE
(R10/06) Y53-6007 – 127 –
Disc Brakes
(All)
Brake pads Inspect; replace as required. X
Brake disc/rotor Inspect for visible cracks, heat checking, galling, or scoring of surface.
Check thickness minimum of 1.46” (37 mm).
X
Caliper sliding function Ensure caliper slides freely with no obstructions or excessive play (see
manufacturer’s service literature for “Checking Running Clearance”).
X
Caliper function Inspect bearings, seals, tappet and boots of the guide pins for damage or
cracking.
X
Adjuster Check operation; inspect as per manufacturer’s service literature. X
Hub, Drum,
& Hubcap
Hubs (non-LMS)
Meritor Unitized Wheel End
Check the bearing endplay and adjust as required (see page 164).
X
Hubs (non-LMS) with outrun-
ner seals
Clean the components and check for excessive wear or damage. Change
the oil and seal (see
page 164).
X
Hubs (non-LMS) with stan-
dard seals
Clean the components and check for excessive wear or damage. Change
the oil and seal (see
page 164).
X
Hub seals (all) Check for leaks; replace as required. X
Table 2 Preventative Maintenance Schedule (Continued)
SYSTEM COMPONENT MAINTENANCE TASK
Recommended
PM Interval
I ABCDE
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