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 340 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:
10
Semiannual
Air Filter
WARNING
If NBC exposure is suspected, all air filter
media should be handled by personnel wear-
ing protective equipment. Consult your unit
NBC officer or NBC NCO for appropriate han-
dling caution or disposal instructions.
NOTE
Perform all After, Weekly, and Monthly
checks in TM 9-2320-272-10, then make the
following inspections in the order given, in-
cluding kit items on vehicles so equipped.
a.
Inspect filter element for tears and presence of
dirt and oil.
(1)
If dirt is present, clean filter element
(TM
9-2320-272-10).
(2)
If oil is present, replace filter element.
b.
Check for oil in air cleaner manifold. If present:
(1)
Check for oil in transmission and transfer case.
If oil levels are excessive, drain excess (Volume 3,
WP
0362).
(2)
Check for fuel diluting the oil. If necessary,
change oil and filters (Volume 3, WP
0362).
(3)
If oil levels are low, check transfer case interlock
air cylinders for leaks (Volume 3, WP
0394).
TM 9-2320-272-23-2
0207
0207-5
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