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 1083 of 1275

TM 9-2350-311-20-1

13-2 HULL AMMUNITION RACKS — CONTINUED

b. Disassembly

1 Remove two screws (15) and plate (16) from front right rack bracket (17).

2 Remove two nuts (18), two washers (1 9), two washers (20), two nuts (21), and two threaded rods (22) from

plate (16).

3 Disconnect wire rope assembly (23) from two pins (24).

4 Remove two buckles (25) and two straps (26) from front right rack bracket (17).

5 Remove eight bumpers (27) and two pads (28 and 29). Discard pads.

6 Remove four screws (30), four washers (31), arm mounting bracket (32), and shim (33).

7 Remove cotter pin (34), headed pin (35), and eyebolt assembly (36). Discard cotter pin.

8 Remove screw (37), washer (38), two spring pins (39), and friction plate (40) from arm (8).

9 Remove two hooks (41) and two straps (42).

10 Remove 20 bumpers (43) and 5 pads (44). Discard pads.

c. Assembly

1 Install 20 bumpers (43) and 5 new pads (44).

2 Install two hooks (41) and two straps (42).

NOTE

Use sealing compound on all threads.

3 Install friction plate (40), spring pins (39), washer (38), and screw (37) on arm (8).

4 Install eyebolt assembly (36), headed pin (35), and new cotter pin (34).

5 Install shim (33), arm mounting bracket (32), four washers (31), and four screws (30).

Adhesives are toxic and flammable. Apply adhesives only in a well-ventilated area.

Avoid contact with skin, eyes, and clothes, and don’t breath vapors. Do not use near

heat, sparks, or open flame. Read and follow all warnings and instructions on labels of

adhesives. If contact with skin or eyes is made, wash area with water and seek

medical aid immediately.

13-4

WARNING