TM-9-2320-272-23-2
TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)
TECHNICAL MANUAL; FIELD MAINTENANCE MANUAL; VOLUME 2 OF 5
SEPTEMBER 2012
TM-9-2320-272-23-2 - Page 387 of 1417
Table
1.
Field Preventive Maintenance Checks and Services - Continued.
ITEM
NO.
INTERVAL
ITEM TO BE
CHECKED OR
SERVICED
PROCEDURE
EQUIPMENT
NOT READY/
AVAILABLE IF:
WARNING
•
Support weight of dump body on safety
braces when performing maintenance
on hoist mechanism with dump body in
raised position. Failure to comply may
result in injury or death to personnel.
•
Do not drain oil from dump hydraulic
pump, reservoir, or cylinder or remove
lines containing oil when dump body is
supported by hydraulic cylinder. Failure
to comply may result in injury or death to
personnel.
•
Do not drain oil from dump hydraulic
pump, reservoir, or cylinder or remove
lines containing oil when oil is hot.
Failure to comply may result in injury or
death 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 comply may result
in injury or death to personnel.
•
Accidental or intentional introduction of
liquid contaminants into the environment
is in violation of state, federal, and
military regulations. Refer to local Unit
SOP for information concerning storage,
use, and disposal of these liquids.
Failure to comply may result in injury or
death to personnel.
(1)
Inspect dump body for completeness of
assembly. 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.
TM 9-2320-272-23-2
0208
0208-8
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