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 448 of 1015

TM 9-2320-272-24-1

3-27. FUEL TANK (M936/A1/A2) MAINTENANCE

THIS TASK COVERS:

a. Draining

b. Removal

c. Inspection

d. Installation

INITIAL SETUP:

APPLICABLE MODELS

M936/A1/A2

TOOLS

General mechanic’s tool kit (Appendix E, Item 1)

MATERIALS/PARTS

Two lockwashers (Appendix D, Item 358)

Gasket (Appendix D, Item 144)

Gasket (Appendix D, Item 143)

Gasket (Appendix D, Item 142)

Locknut (Appendix D, Item 299)

Three locknuts (Appendix D, Item 288)

Lockwasher (Appendix D, Item 379)

Antiseize tape (Appendix C, Item 72)

REFERENCES (TM)

FM 43-2

TM 9-2320-272-10

TM 9-2320-272-24P

EQUIPMENT CONDITION

Parking brake set (TM 9-2320-272-10).

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 flame. Injury to personnel may result.

NOTE

The replacement procedure for right and left fuel tanks is basically

the same. This procedure covers the left fuel tank.

1.

Loosen fuel filler cap (2) at top of tank (1).

NOTE

Have drainage container ready to catch fuel.

2.

Remove drainplug (4) and gasket (3) from bottom of fuel tank (1). Discard gasket (3).

3.

After draining is complete, install new gasket (3) and drainplug (4) in fuel tank (1).

4.

Tighten fuel filler cap (2) on fuel tank (1).

b. Removal

1.

Loosen two nuts on screws (6) on wrecker body (5), and slide stop plate (7) upward.

2.

Remove outrigger (8) from body (5).

3.

Remove locknut (14), screw (9), washer (10), ground wire (11), and lockwasher (12) from left side of

frame (13) and double check valve (15). Discard locknut (14) and lockwasher (12).

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