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 393 of 1417
Table
1.
Field Preventive Maintenance Checks and Services.
ITEM
NO.
INTERVAL
ITEM TO BE
CHECKED OR
SERVICED
PROCEDURE
EQUIPMENT
NOT READY/
AVAILABLE IF:
1
Biennial
Transmission
Change transmission oil, and internal, external, and
governor oil filters every 24,000 mi (38,000 km) or
24
months, whichever occurs first (Volume 3,
WP
0362).
2
Biennial
Transfer Case
Inspect tightness of transfer case mounting bolts and
mounting brackets. Tighten three transfer case
mounting bracket-to-frame bolts 50 to 60 lb-ft
(68
to
81
N·m). Tighten seven transfer case-to-
mounting bracket bolts 125 to 135 lb-ft (170 to 183 N·m).
3
Biennial
Special Body
Items
a.
On M929/A1/A2 and M930/A1/A2 model
vehicles, tighten all dump body mounting bolts 240
lb-ft
(325 N·m).
b.
On M931/A1/A2 and M932/A1/A2 model
vehicles, inspect fifth wheel for completeness of
assembly. Ensure mounting screws are tightened
160
to
170
lb-ft (217 to 231 N·m).
PMCS Mandatory Replacement Parts List
There are no replacement parts for these PMCS procedures.
END OF TASK
END OF WORK PACKAGE
TM 9-2320-272-23-2
0209
0209-2
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