TM-9-2320-272-24-1
TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)
TECHNICAL MANUAL; UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL; VOLUME 1 OF 4
JUNE 1998
TM-9-2320-272-24-1 - Page 416 of 1015
TM 9-2320-272-24-1
3-15. AIR CLEANER ASSEMBLY AND MOUNTING BRACKET MAINTENANCE
THIS TASK COVERS:
a. Removal
c. Installation
b. Inspection
INITIAL SETUP:
APPLICABLE MODELS
All
TOOLS
General mechanic’s tool kit (Appendix E, Item 1)
MATERIALS/PARTS
Three locknuts (Appendix D, Item 288)
Five lockwashers (Appendix D, Item 354)
REFERENCES (TM)
TM 9-2320-272-10
TM 9-2320-272-24P
EQUIPMENT CONDITION
Parking brake set (TM 9-2320-272-10).
GENERAL SAFETY INSTRUCTIONS
If NBC exposure is suspected, all air filter media
should be handled by personnel wearing protective
equipment.
WARNING
If NBC exposure is suspected, all air filter media should be
handled by personnel wearing protective equipment. Consult your
unit NBC officer or NBC NCO for appropriate handling or disposal
instructions.
a. Removal
1.
Loosen hose clamps (6) and (12) on air cleaner tube hose (4) and cleaner-to-intake pipe hump hose (13).
2.
Release support strap latch (8) from mounting bracket (5) and air cleaner assembly (9).
3.
Remove two locknuts (1), mounting band (7), and two screws (2) from mounting bracket (3). Discard
locknuts (1).
NOTE
Assistant will help with step 4.
4.
Remove air cleaner assembly (9) and hose clamps (6) and (12) from air cleaner tube hose (4) and
cleaner-to-intake pipe hump hose (13).
5.
Remove locknut (10), screw (11), mounting band (7), and support strap (8) from air cleaner
assembly (9). Discard locknut (10).
NOTE
Floor mat must be pulled back to gain access to one screw.
6.
Remove two screws (17), lockwashers (15), and mounting bracket (3) from mounting bracket (5) and
subfloor (18). Discard lockwashers (15).
7.
Remove three screws (14), lockwashers (15), and mounting bracket (5) from cab floor (16). Discard
lockwashers (15).
b. Inspection
Inspect air cleaner assembly (9) for cracks and splits that would allow unfiltered air to enter.
Replace if cracked or split.
3-52
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