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TM 9-2330-272-14
Table 2-1. Operator/Crew Preventive Maintenance Checks and Services (PMCS) (Con’t).
B–BEFORE
D–DURING
A–AFTER
W–WEEKLY
INTERVAL
ITEM TO BE INSPECTED
ITEM
PROCEDURE: CHECK FOR AND HAVE REPAIRED,
EQUIPMENT IS NOT
NO.
B D A W
FILLED, OR ADJUSTED AS NEEDED.
READY/AVAILABLE IF:
8
BRAKE SYSTEM
a. With towing vehicle coupled to semitrailer, apply
Air leaks are evident.
semitrailer brakes and inspect all air lines and fit-
tings for leaks.
b. Apply semitrailer brakes and observe operation.
Brakes do not stop semitrailer or
semitrailer pulls to one side.
c. Inspect hydraulic hose and master cylinder for
Any leakage is evident.
leaks.
WARNING
Cautiously feel each wheel hub and
brakedrum. Wheel hubs or brakedrums
may be hot. Failure to follow this warning
may result in burns.
d. Cautiously feel each wheel hub and brakedrum.
Wheel hub or brakedrum is ex-
Check for a wheel hub or brakedrum that is hotter
cessively hot.
than the others. Overheating could indicate im-
properly adjusted or defective wheel bearings, or a
locked-up brake. IMMEDIATELY report any abnor-
mal conditions to Organizational Maintenance.
e. Drain water from air reservoir by opening air reser-
voir draincock. Close air reservoir draincock.
9
REAR AXLES
During movement of semitrailer, be aware of wander or
Semitrailer wanders, has side
side pull. Listen for excessive noise. These are indica-
pull, or axles have excessive
tions of improper axle alinement.
noise.
10
PIPING SYSTEM
Inspect all lubes for dents and cracks.
Tubes are damaged to an extent
that fuel flow will be restricted.
Tubes are cracked allowing fuel
11
MANHOLE COVER
leakage.
Check for damaged cover, seal, or loose mounting
Manhole cover or seal are dam-
ring. Ensure that fill cover is securely latched.
aged or missing.
12
CATWALK DRAINS
Inspect for clogged drains at ladder. Remove foreign
matter.
2-16
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