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 994 of 1275

TM 9-2350-311-20-1

NOTE

Left seat assembly has only one nut (4).

3 Remove two nuts (4), two Iockwashers (5), two screws (6), four washers (7), and two anchors (8). Discard

Iockwashers.

4 Place seat assembly (9) in upright position and support.

5 Remove three retaining rings (10), three pins (11), and two arms (12). Repeat for opposite side of seat

assembly (9).

6 Lower seat assembly (9) and support.

7 Remove two retaining rings (13), two pins (14), four washers (1 5), and seat assembly (9).

b. Disassembly

1 Remove four screws (16) and cushion (17).

NOTE

Remove fastener latch (18) and catch (19) only if damaged.

2 Drill out eight rivets (20) and remove two fastener latches (18) and two catches (19). Discard rivets.

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