TM-9-2350-311-20-1 Maintenance Manual for Volume 1 M109 Hull Download
Page 982 of 1275
TM 9-2350-311-20-1 b. Disassembly 1 Remove cotter pin (8), hook (9), chain (1 O), and headed pin (11). Discard cotter pin. 2 Remove backrest assembly (12) from backrest support assembly (13). 3 Remove self-locking nut (14), two flat washers (15 and 16), and screw (17) from bracket (18). Discard self- Iocking nut. 4 Remove bracket (18) from backrest frame (19). 5 Remove self-locking nut (20), screw (21), and backrest support assembly (1 3). Discard self-locking nut. 6 Remove adjusting screw (22) and nut (23) from backrest support (24). 11-3