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 742 of 1275

TM 9-2350-311-20-1

a. Removal

1 Remove four screws (1), four Iockwashers (2), and guard assembly (3). Discard Iockwashers.

2 Remove two screws (4), two Iockwashers (5), and bus bar (6) from external power receptacle (7). Discard

Iockwashers.

3 Remove screw (8) and Iockwasher (9). Disconnect cable (10) and remove insulating boot (11). Discard

Iockwasher.

4 Remove four screws (12), four flat washers (13), and protective cover (14) with cable (16) from receptacle.

5 Remove receptacle (7) and gasket (15). Discard gasket.

b. Installation

1 Install new gasket (15) and external power receptacle (7).

2 Install protective cover (1 4), four flat washers (13), and four screws (1 2). Ensure protective cover cord (16) is

attached under one screw.

3 Wrap exposed wire connections with electrical tape.

4 Install insulating boot (11 ), cable (10), new Iockwasher (9), and screw (8).

5 Install bus bar (6), two new lockwashers (5), and two screws (4).

6 Install guard assembly (3), four new Iockwashers (2), and four screws (1).

NOTE

FOLLOW-ON MAINTENANCE:

Connect

batteries (para 8-28)

8-97