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 988 of 1275

TM 9-2350-311-20-1
11 Install nut (23) and adjusting screw (22) onto backrest supporl (24),
12 Install backrest support assembly (13), new self-locking nut (20), and screw (21).
13 Attach bracket (18) to backrest frame (19) with screw (17), two flat washers (15 and 16), and new self-locking
nut (14).
14 Install backrest assembly (12) onto backrest support assembly (13).
15 Install headed pin (11), chain (10), hook (9), and new cotter pin (8) onto bracket (1 8).
11-9


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