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 1019 of 1275

11-12 HULL REAR DOOR, M13 KIT BRACKET, AND DOOR LATCH

— CONTINUED

a. Removal — Continued

5

6

7

8

9

WARNING

Door is heavy. At least four personnel are required to lift door. Improper removal of

door can cause serious injury.

Open rear door (12) slightly and place support blocks under bottom edge.

Remove two nuts (13), four fiat washers (14), and two screws (15).

Lift off rear door (12) from hinges.

Remove spring pin (16), latch (17), and spring (18). Discard spring pin.

Remove spring pin (19) and bumper (20). Discard spring pin.

10 Remove four screws (21) and bracket (22).

b. Installation

1 Install bracket (22) and four screws (21).

2 Install bumper (20) and new spring pin (19).

3 Install spring (18), latch (17), and new spring pin (16).

WARNING

Door is heavy. At least four personnel are required to lift door. Improper installation of

door can cause serious injury.

4 Install rear door (12) on hinges.

5 Install two screws (15), four flat washers (14), and two nuts (13).

6 Install fastener (10) and two screws (11).

7 Install bracket assembly (9), four new Iockwashers (8), and four screws (7).

8 Install bracket (6), four new Iockwashers (5), and four screws (4).

9 Install two plates (3), four new Iockwashers (2), and four screws (1).

11-40

TM9-2350-311-20-1