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 1102 of 1275

TM 9-2350-311-20-1

14-5 FUEL PUMP

This task covers:

a. Removal

b. Installation

lNITIAL SETUP

Tools

General mechanic’s tool kit (item 64, Appx H)

Fuel inlet-to-fuel tank hose quick disconnect at primary fuel

filter disconnected (para 6-6)

a. Removal

1 Disconnect electrical connector (1) (wire 402C).

2 Disconnect fuel filter-to-fuel pump tube (2) at fuel pump (3).

3 Disconnect fuel pump-to-heater tube (4) at fuel pump (3).

4 Remove two nuts (5), two flat washers (6), and fuel pump (3).

b. Installation

1 Install fuel pump (3), two flat washers (6), and two nuts (5).

2 Connect fuel pump-to-heater tube (4) at fuel pump (3).

3 Connect fuel filter-to-fuel pump tube (2) at fuel pump (3).

4 Connect electrical connector (1) (wire 402C).

FOLLOW-ON MAINTENANCE:

Connect fuel inlet-to-fuel tank hose quick

disconnect at primary fuel filter (para 6-6)

14-9

NOT E