TM 9-2320-272-24-1
Table 2-1. Unit Preventive Maintenance Checks and Services (Contd).
NOT FULLY
MISSION
PROCEDURE
CAPABLE IF:
54 Annual Special
a. M929/A1/A2 and M930/A1/A2.
body items
WARNING
Support weight of dump body on safety braces
when performing maintenance on hoist mechanism
with dump body in raised position.
Do not drain oil from dump hydraulic pump,
reservoir, or cylinder or remove lines containing oil
when dump body is supported by hydraulic
cylinder. Doing so may result in injury to
personnel.
Do not drain oil from dump hydraulic pump,
reservoir, or cylinder or remove lines containing oil
when oil is hot. Doing so may result in injury to
personnel.
Do not remove hoses while engine is running or
start engine with hoses removed. High-pressure
fluids may cause hoses to whip violently and spray
randomly. Failure to do so may result in injury to
personnel.
Accidental or intentional introduction of liquid
contaminants into the environment is in violation
of state, federal, and military regulations. Refer to
Army POL (para. 1-8) for information concerning
storage, use, and disposal of these liquids. Failure
to do so may result in injury or death.
Ensure dump body is aligned with frame.
2. Inspect dump hydraulic lines, hoses, and fittings for
leaks and splits. Check hydraulic pump for tightness of
mounting.
3. Inspect transmission PTO, hydraulic pump
propeller shaft, and hydraulic pump for tight mounting and
leaks.
4. Ensure tailgate control rod hand lever locks and
unlocks tailgate lower latch. Inspect control linkage for
security, bends, and binding.
5. Operate dump body and observe for smooth raising
and lowering of dump body.
6. With dump body raised, inspect cylinder piston rods
for scoring and wear.
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