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 813 of 1275

TM 9-2350-311 -20-1

8-85 ACCESSORY CONTROL BOX HEAT SELECTOR SWITCH-TO-CIRCUIT BREAKER LEAD

This task covers:

a. Removal

b. Disassembly

c. Assembly

d. Installation

INITIAL SETUP

Tools

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

Accessory control box

removed (para 8-20)

Accessory control box cover removed (para 8-20)

Connector

Wire

No.

Electrical Lead To:

No.

1

Circuit breaker

400A

2

Heat selector switch

400A

a. Removal

1 Remove

2 Remove

screw (1) from switch (2).

heat selector switch-to-circuit breaker lead (3) from circuit breaker (4).

8-168

Equipment Conditions