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 444 of 1015
TM 9-2320-272-24-1
3-26. FUEL TANK MAINTENANCE
THIS TASK COVERS:
a. Draining
b. Removal
c. Inspection
d. Installation
INITIAL SETUP:
APPLICABLE MODELS
REFERENCES (TM)
All except M936/A1/A2
FM 43-2
TOOLS
TM 9-2320-272-10
TM 9-2320-272-24P
General mechanic’s tool kit (Appendix E, Item 1)
MATERIALS/PARTS
Gasket (Appendix D, Item 144)
Gasket (Appendix D, Item 143)
Four locknuts (Appendix D, Item 288)
Antiseize tape (Appendix C, Item 72)
EQUIPMENT CONDITION
l
Parking brake set (TM 9-2320-272-10).
l
Fuel tank filler cap and spout removed (para. 3-25).
GENERAL SAFETY INSTRUCTIONS
Diesel fuel is flammable. Do not perform this
procedure near flames.
WARNING
Diesel fuel is highly flammable. Do not perform fuel system
procedures near open flames. Injury to personnel may result.
NOTE
The replacement procedure for right and left single fuel tanks is
basically the same. This procedure covers the left fuel tank.
a. Draining
NOTE
Have drainage container ready to catch fuel.
1.
Remove drainplug (10) and gasket (9) from bottom of fuel tank (16). Discard gasket (9).
2.
After draining is complete, install new gasket (9) and drainplug (10) on bottom of fuel tank (16).
b. Removal
NOTE
Tag lines for installation.
1.
Disconnect two vent lines (6) from elbows (7).
2.
Disconnect fuel return line (13) from elbow (12).
3.
Disconnect fuel supply line (5) from elbow (14).
4.
Disconnect fuel transmitter wire (2) from fuel transmitter unit (15).
5.
Remove screw (3) and ground wire (4) from fuel tank (16).
6.
Remove two locknuts (11) from hanger straps (8). Discard locknuts (11).
7.
Remove two locknuts (22), screws (21), and hanger straps (8) from hangers (1). Discard locknuts (22).
3-80
Back to Top
