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 705 of 1275

TM 9-2350-311-20-1

8-22 HEADLIGHT SEALED-BEAM AND INCANDESCENT LAMPS

— CONTINUED

a. Removal

1

2

3

4

5

6

Remove four screws (1), four Iockwashers (2), and cover group (3) from headlight mount (4). Discard

Iockwashers.

Pull two sealed-beam units (5) out of recess.

Disconnect two electrical connectors (6) from sealed-beam units (5).

Snap open marker assembly (7) cover (8). Using screwdriver, push in and turn assembly hose base. Remove

marker assembly from socket.

Remove B.O. drive reflector (9) from left headlight or reflector (10) from right headlight.

CAUTION

Left headlight has a halogen B.O. lamp. Halogen 6.0. lamp must be kept free of dirt,

oil, grease, fingerprints, etc. Failure to do so can result in damage to bulb.

Push in, turn counterclockwise, and remove halogen B.O. lamp (11) from left headlight or lamp (12) from right

headlight.

8-60