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 730 of 1275

TM 9-2350-311-20-1

a. Removal

WARNING

Ensure MASTER switch is OFF when working on bilge pump circuit breaker to avoid

electrical shock and bums.

1 Remove two screws (1) and two washers (2).

2 Remove three electrical leads (3) from circuit breaker (4).

3 Remove two screws (5), two flat washers (6), two Iockwashers (7), and two nuts (8). Discard Iockwashers.

4 Remove circuit breaker (4).

b. Installation

WARNING

Ensure MASTER switch is OFF when working on bilge pump circuit breaker to avoid

electrical shock and bums.

1 Install circuit breaker (4).

2 Install two new Iockwashers (7), two flat washers (6), two screws (5), and two nuts (8).

3 Install three electrical leads (3) on circuit breaker (4), two washers (2), and two screws (1).

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