TM-9-2350-311-20-1

HOWITZER, MEDIUM, SELF-PROPELLED, 155MM; M109A2, M109A3, M109A4 AND M109A5

TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL FOR HULL, POWERPLANT, DRIVE CONTROLS, TRACKS, SUSPENSION, AND ASSOCIATED COMPONENTS

AUGUST 1994

TM-9-2350-311-20-1 - Page 717 of 1275

TM 9-2350-311 -20-1

8-27 DOME LIGHT — CONTINUED

a. Removal — Continued

NOTE

Red lens on dome light must be replaced with blue lens per TB 9-2300-421-20,21 Jun

82 (TM 9-2350-311-24P-1).

1 Disconnect electrical lead (1).

2 Remove four screws (2), four Iockwashers (3), and dome light (4). On M109A4/M109A5 Howitzers, ground

lead (5) will be disconnected. Discard Iockwashers.

b. Disassembly/Repair

1 Remove screw (6), Iockwasher (7), switch knob (8), nut (9), and flat washer (10). Discard Iockwasher.

2 Loosen eight screws with retaining rings (11 ).

3 Separate dome light door assembly (12) from light body (1 3).

4 Remove screw (14) and Iockwasher (1 5). Disconnect electrical lead (16) at switch (17). Remove door

assembly (12) from body (13).

8-72