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 1071 of 1275

TM 9-2350-311-20-1

12-3 HEATERS — CONTINUED

a. Removal — Continued

NOTE

Heater (2) at dnver's station has two adapters. Heater(4) at cannoneer no. 2’s station

has one elbow and one adapter.

4

5

6

7

Remove two adapters (7) or adapter (8) and elbow (9) as required.

Remove four screws (10), four Iockwashers (11 ), and four external-tooth

lockwashers and external-tooth Iockwashers.

Remove heater (2 or 4).

NOTE

Iockwashers (12). Discard

Step 7 applies to heater (4) at cannoneer no. 2’s station.

Remove two screws (13), two Iockwashers (14), and bracket (15). Discard external-tooth Iockwashers.

12-10