TM-9-2350-311-34-2 Maintenance Manual for Volume 2 M109 Cab Download
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TM 9-2350-311-34-2 CAB This task covers: a. Removal b. Installation INITIAL SETUP Tools Artillery and turret mechanic’s tool kit (SC 5180-95-CL-A12) Artillery field maintenance tool kit (SC 4933-95-CL-A06) Fabricated cab stand (Figure C-4, Appx C) Sling, turret lifting (item 21, Appx F) Tape (item 35, Appx B) Materials/Parts Self-locking bolts (27) (item 90, Appx E) Self-locking bolts (3) (item 91, Appx E) Equipment Condition Park vehicle on level ground Vehicle MASTER switch to OFF (TM 9-2350-311-10) CAB POWER switch to OFF (TM 9-2350-311-10) Disconnect battery ground cable (TM 9-2350-311-20-1) Discharge hydraulic pressure (TM 9-2350-311-20-2) Traversing mechanism cover plate removed (TM 9-2350-311-20-2) Turret lock assembly removed (TM 9-2350-311-20-2) Turret (cab) bearing protective shields removed (TM 9-2350-311-20-2) Personnel Required 3 Gunners control bracket removed (TM 9-2350-311-20-2) a. Removal 1 Manually elevate cannon assembly (1) to maximum elevation. Remove three self-locking bolts (2) from bot- tom of trunnion support bracket outside cab. Depress cannon assembly to maximum depression. Discard self-locking bolts. 2 Drain hydraulic system (TM 9-2350-311-20-2). 3 Remove traversing mechanism (3) (para 9-1). NOTE Do not disconnect electrical cables from contact arm assemblies in step 4. Lay contact arm assem- blies on top of cab electrical contact segment ring. Secure contact arm assemblies with tape. 4 Remove contact arm assemblies (4) (TM 9-2350-311-20-2). 5 Remove 27 self-locking bolts (5) and 27 flat washers (6). Discard self-locking bolts. Use a lifting device with a capacity of at least 15,000 pounds (6804 kg) to avoid possible injury or death. A lifting device with insufficient lifting capacity could break due to stress. Personnel should wear steel-tipped safety shoes and safety glasses to avoid possible injury. 6 Position fabricated cab stand (7) adjacent to cab (8). Position shackles (9) and turret lifting sling (10) behind cab and fabricated cab stand. 3-2 Change 2