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 1109 of 1275

TM 9-2350-311-20-1

14-9 HEATER CONTROL BOX

This task covers:

a. Removal

b. Installation

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

Lockwashers (2) (item 71, Appx G)

a. Removal

1 Disconnect plug (1) at heater control box (2).

2 Disconnect connector (3) at control box (2).

3 Remove two nuts (4), two Iockwashers (5), and control box (2). Discard Iockwashers.

b. Installation

1 Install heater control box (2), two new Iockwashers (5), and two nuts (4).

2 Connect connector (3) at control box (2).

3 Connect plug (1) at control box (2).

14-16