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 576 of 1275

TM9-2350-311-20-1

b. Removal

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

occur, causing severe injury or death.

1 Disconnect primary fuel filter-to-engine-driven fuel pump tube (3) and remove tee (4).

2 Disconnect engine-driven fuel pump-to-electric fuel pump hose (5).

3 Disconnect engine-driven fuel pump-to-secondary fuel filter tube (6) and remove elbow (7).

4 Remove three screws (8) and three washers (9).

5 Remove fuel pump (1 O), gasket(11 ), and fork coupling (12). Discard gasket.

5-21

WARNING