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 560 of 1275

TM9-2350-311-20-1

Dry-cleaning solvent (P-D-680) is toxic and flammable. Wear protective goggles and

gloves and use only in a well ventilated area. Avoid contact with skin, eyes, and

clothes, and don’t breath vapors. Do not use near open flame or excessive heat. The

flashpoint for type #1 is 10O°F (38° C), and for type #2 is 138° F (59° C). If you

become dizzy while using dry-cleaning solvent, get fresh air immediately and seek

medical aid. If contact with eyes is made, wash your eyes with water and seek

medical aid immediately.

6 Remove fuel filter screen (15). Clean screen with dry-cleaning solvent. Discard screen if torn.

7 Remove six screws (16), six flat washers (17), and six Iockwashers (18). Discard Iockwashers.

8 Remove filler neck (19), gasket (20), spacer (21), and gasket (22). Discard gaskets.

b. Installation

1

2

3

4

5

6

7

8

Do not smoke or use open flame when working on fuel system. An explosion may

occur, causing severe injury or death.

Install new gasket (22), spacer (21), new gasket (20), and filler neck (19).

Install six new Iockwashers (18), six flat washers (17), and six screws (1 6).

Install fuel filter screen (15).

Install bottom washer (14), inner seal (13), outer seal (12), top washer (11 ), and eight screws (1 O).

Install new filler cap gasket (8) over locking tab (9).

Clip filler cap chain (6) to filler tube (7).

Install filler cap (5).

Install cover (4), straight pin (3), new cotter pin (2), and locking pin (1).

6-5

WARNING

WARNING