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 995 of 1275

11-3 CANNONEER’S SEAT ASSEMBLIES (M109A4M109A5) — CONTINUED

c. Assembly

1 If removed, install two fastener latches (1 8), two catches (1 9), and eight new rivets (20).

2 Install cushion (17) and four screws (16).

d. Installation

Left and right cannoneer’s seat assemblies are installed using same procedure.

1 Place cannoneer’s seat assembly (9) in folded down position and support.

2 Install four washers (1 5), two pins (1 4), and two retaining rings (13).

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

4 Install two arms (1 2), three pins (11 ), and three retaining rings (10). Repeat for opposite side of seat assembly

(9).

NOTE

Left seat assembly has only one nut (4).

5 Install two screws (6), four washers (7), two anchors (8), two new Iockwashers (5), and two nuts (4).

6 Install belt (3) and two slides (2).

7 Install strap (1).

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