TM-9-2350-311-20-1

TM 9-2350-311-20-1

11-2 CANNONEER’S SEAT ASSEMBLIES (M109A2/M109A3) — CONTINUED

b. Disassembly

1 Remove two self-locking nuts (4) and two screws (5) from two clamps (6). Discard self-locking nuts.

2 Remove two clamps (6) and two safety belts with plates (7).

NOTE

Step 3 refers to left seat assembly and step 4 refers to right seat assembly.

3 Remove 48 screws (8) from 8 short straps (9) and frame (10).

4 Remove 60 screws (8) from 10 short straps (9) and frame (10).

5 Remove 18 screws (11) from 3 long straps (12) and frame (10).

6 Remove six grommets (13) and six grommet washers (14) from short and long straps (9 and 12). Discard

grommets and grommet washers.

7 Remove two snap rings (15) and two pins (16) from left and right support brackets (17 and 18) and frame (10).

8 Remove four nuts (19), four screws (20), and four Iockwashers (21 ) from support bracket connector (22).

Discard Iockwashers.

9 Remove right support bracket (18) and left support bracket (17) from frame (10).

c. Assembly

1 Install right support bracket (18) and left support bracket (17) onto frame (1 O).

2 Install four new Iockwashers (21 ), four screws (20), and four nuts(19) in support bracket connector (22).

3 Install two pins (16) and two snap rings (15) in left and right support brackets (17 and 18) and frame (10).

4 Install six new grommet washers (14) and six new grommets (13) on long straps (12) and short straps (9).

5 Install 3 long straps (12) and 18 screws (11) on each seat assembly.

NOTE

Step 6 applies to left seat assembly and step 7 applies to right seat assembly.

6 Install 8 short straps (9) and 48 screws (8).

7 Install 10 short straps (9) and 60 screws (8).

8 Install two safety belts with plates (7) and two clamps (6).

9 Install two screws (5) and two new self-locking nuts (4) in two clamps (6).

11-12

TM-9-2350-311-20-1 - Page 991 of 1275