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 665 of 1015

TM 9-2320-272-24-1

3-112. HIGH BEAM SELECTOR SWITCH 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)

EQUIPMENT CONDITION

l

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

l

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

NOTE

Tag all wires for installation.

1.

Disconnect electrical wires (3), (4), and (5) from selector switch (6) under cab floor (2).

NOTE

Assistant will help with step 2.

2.

Remove two screws (1) and selector switch (6) from cab floor (2).

b. Installation

NOTE

Assistant will help with step 1.

1.

Install selector switch (6) on cab floor (2) with two screws (1).

2.

Connect electrical wires (5), (4), and (3) to selector switch (6).

FOLLOW-ON TASKS:

•

Connect battery ground cables (para. 3-126).

l

Check headlight beam selector for proper operation (TM 9-2320-272-10).

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