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 456 of 1015
TM 9-2320-272-24-1
3-28. FUEL TANK HANGERS AND RETAINING STRAPS MAINTENANCE
THIS TASK COVERS:
a. Removal
b. Inspection
c. Installation
INITIAL SETUP:
APPLICABLE MODELS
REFERENCES (TM)
All except M936/A1/A2
TM 9-2320-272-10
TOOLS
TM 9-2320-272-24P
General mechanic’s tool kit (Appendix E, Item 1)
MATERIALS/PARTS
Ten locknuts (Appendix D, Item 288)
Five locknuts (Appendix D, Item 291)
Two lockwashers (Appendix D, Item 379)
Eight locknuts (Appendix D, Item 309)
Adhesive sealant (Appendix C, Item 6)
EQUIPMENT CONDITION
l
Parking brake set (TM 9-2320-272-10).
l
Fuel tank(s) removed (para. 3-26).
l
Dual fuel tank wet air reservoir removed
(M929/A1/A2, M930/A1/A2, M931/A1/A2, and
M932/A1/A2 model vehicles (right side fuel tank
only) (para. 3-200).
NOTE
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On models with dual fuel tanks (M929/A1/A2, M930/A1/A2,
M931/A1/A2, and M932/A1/A2), right side forward fuel tank
hanger must be removed and installed at direct support
maintenance.
l
The number of locknuts and lockwashers varies between
models. Refer to parts list for quantity for particular model.
a. Removal
1.
Remove two locknuts (19), screws (8), retaining straps (22), and insulators (1) from two fuel tank
hangers (14). Discard locknuts (19).
2.
Remove eight locknuts (13), screws (15), and two hanger stabilizing straps (12) from hangers (14).
Discard locknuts (13).
3.
Remove four locknuts (9), screws (11), and two support brackets (10) from fuel tank hangers (14).
Discard locknuts (9).
4.
Remove locknut (6), bracket (5), lockwasher (4), washer (3), screw (21), lockwasher (4), washer (3),
ground lead (20), and lockwasher (4) from hanger (14) and frame (7). Discard lockwashers (4) and
locknut (6).
NOTE
Assistant will help with step 5.
6.
Remove eight locknuts (2), screws (18), and two fuel tank hangers (14) from frame (7). Discard
locknuts (2).
6.
Remove two rubber sheets (16) and rubber sheets (17) from two fuel tank hangers (14).
3-92
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