TM-9-2320-272-24-3

TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)

TECHNICAL MANUAL; UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL; VOLUME 3 OF 4

JUNE 1998

TM-9-2320-272-24-3 - Page 750 of 799

TM 9-2320-272-24-3

4-220. PERSONNEL FUEL BURNING HEATER FUEL SHUTOFF VALVE REPLACEMENT

THIS TASK COVERS:

a. Removal

b. Installation

INITIAL SETUP:

APPLICABLE MODELS

All

TOOLS

REFERENCES (TM)

TM 9-2320-272-10

TM 9-2320-272-24P

General

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

MATERIALS/PARTS

Antiseize tape (Appendix C, Item 72)

Cap and plug set (Appendix C, Item 14)

EQUIPMENT CONDITION

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

GENERAL SAFETY INSTRUCTIONS

Diesel fuel is flammable. Do not perform this

procedure near open flames.

WARNING

Diesel fuel is flammable. Do not perform this procedure near open

flames. Injury to personnel may result.

CAUTION

Cover or plug all openings after disconnecting lines and hoses to

prevent contamination. Failure to do this may result in fuel pump

damage.

1.

Disconnect hose (4) from adapter (3).

2.

Remove adapter (3) from fuel shutoff valve (2).

3.

Remove fuel shutoff valve (2) from elbow (1).

NOTE

Clean all male pipe threads and wrap with antiseize tape before

installation.

1.

Install fuel shutoff valve (2) on elbow (1).

2.

Install adapter (3) on fuel shutoff valve (2).

3.

Connect hose (4) to adapter (3).

4-1014