TM-9-2350-311-20-2 Maintenance Manual Volume 2 for M109 Cab Download
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TM 9–2350–311–20–2 14–3 14–1 GUNNER’S ESCAPE HATCH (UNMODIFIED) This task covers: a. Removal b. Disassembly c. Assembly d. Installation INITIAL SETUP Tools Artillery and turret mechanic’s tool kit (SC 5180–95–CL–A12) Torque wrench (item 18, Appx H) Materials/Parts Adhesive, type I (item 2, Appx D) Cotter pins (2) (item 38, Appx G) Seal (item 110, Appx G) Sealing compound (item 30, Appx D) Sealing compound, No. 2 (item 27, Appx D) Preformed packing (item 50, Appx G) Primer, paint (item 24, Appx D) Retaining ring (item 20, Appx G) Retaining rings (2) (item 21, Appx G) Self-locking nut (item 185, Appx G) Self-locking nut (item 35, Appx G) Personnel Required 2 a. Removal 1 Open gunner’s escape hatch (1) from inside cab, raise to upright position and hold at 90° to cab roof. 2 Remove two machine screws (2). 3 Close gunner’s escape hatch (1). 4 Remove plug (3) and flat washer (4). 5 Drive torsion bar (5) from torsion bar anchor (6) in retainer weldment (7). Remove torsion bar with attached parts. 6 Remove tube (8), retaining ring (9), and retaining plate (10) from torsion bar (5). Discard retaining ring. 7 Lift off gunner’s escape hatch (1) for disassembly. Removal of torsion bar anchor (6) from retainer weldment (7) is not required. 1 9 10 2 5 8 7 4 3 6