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 660 of 1015

TM 9-2320-272-24-1

3-109. FUEL SELECTOR VALVE SWITCH REPLACEMENT

THIS TASK COVERS:

a. Removal

b. Installation

INITIAL SETUP:

APPLICABLE MODELS

REFERENCES (TM)

All

TM 9-2320-272-10

TOOLS

TM 9-2320-272-24P

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

EQUIPMENT CONDITION

MATERIALS/PARTS

l

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

l

Battery ground cables disconnected (para. 3-126).

Two locknuts (Appendix D. Item 283)

NOTE

Tag wires for installation.

1.

Disconnect two wires (2) and wire (14) from fuel selector valve switch (3).

2.

Remove screw (9), washer (10), lever (8), felt washer (11), and washer (7) from fuel selector valve

switch (3).

3.

Remove nut (12), washer (6), and plate (5) from fuel selector valve switch (3).

4.

Remove fuel selector valve switch (3) from bracket (4).

6.

Remove two locknuts (1), screws (13), and bracket (4) from instrument panel (15). Discard locknuts (1).

1.

Install bracket (4) on instrument panel (15) with two screws (13) and new locknuts (1).

2.

Position fuel selector valve switch (3) on bracket (4) and install plate (5), washer (6), and nut (12).

3.

Install lever (8) on fuel selector valve switch (3) with washer (7), felt washer (11), washer (10), and

screw (9).

4.

Connect two wires (2) and wire (14) to fuel selector valve switch (3).

3-296