TM-9-2350-311-20-2

HOWITZER, MEDIUM, SELF-PROPELLED, 155MM; M109A2, M109A3, M109A4 AND M109A5

TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL FOR CAB, ARMAMENT, SIGHTING AND FIRE CONTROL, ELEVATING AND TRAVERSING SYSTEMS AND ASSOCIATED COMPONENTS

DECEMBER 1993

TM-9-2350-311-20-2 - Page 563 of 828

TM 9–2350–311–20–2

13–7

13–2 COMMANDER’S SEAT ASSEMBLY (SEAT PARTS ONLY)

This task covers:

a.

Disassembly

b.

Assembly

INITIAL SETUP

Tools

Artillery and turret mechanic’s tool kit

(SC 5180–95–CL–A12)

a.

Disassembly

1

Remove two permanent washers (1) and headless shoulder pin (2) from brackets (3).

2

Withdraw quick-release pin (4). Backrest (5) will now separate from seat (6).

b.

Assembly

1

Position backrest (5) on seat (6).

2

Install quick-release pin (4).

3

Install headless shoulder pin (2) and two permanent washers (1) in brackets (3).

5

2

1

3

6

1

4