TM-9-2320-272-24-2

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

TECHNICAL MANUAL; UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL; VOLUME 2 OF 4

JUNE 1998

TM-9-2320-272-24-2 - Page 307 of 991

TM

9-2320-272-24-2

3-372. EMERGENCY/BLACKOUT LIGHT LAMP AND LENS REPLACEMENT

THIS TASK COVERS:

a. Removal

b. Installation

APPLICABLE MODELS

REFERENCES (TM)

M934/A1/A2

TOOLS

TM 9-2320-272-10

TM 9-2320-272-24P

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

EQUIPMENT CONDITION

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

Emergency light switch off (TM 9-2320-272-10)

Blackout light switch off (TM 9-2320-272-10).

NOTE

Emergency light and blackout light lamps and lenses are replaced

the same. This procedure is for the emergency light lamps and

lenses.

1.

Loosen lockscrew (2) and open light door (1).

2.

Remove lamp (4) from lamp socket (3).

3.

Turn lens retaining clip (5) and remove lens (6) from light door (1).

NOTE

White lens is installed in emergency light door and blue lens is

installed in blackout light door.

1.

Position lens (6) in light door (1) and install with lens retaining clip (5).

2.

Install lamp (4) in lamp socket (3).

3.

Close light door (1) and tighten lockscrew (2).

FOLLOW-ON TASK: Check operation of emergency/blackout light (TM-9-2320-272-10).

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