TM-9-2350-277-20-4 Unit Maintenance Manual Volume 4 M113A3 M577A3 M1064A3 M1068A3 M58 Download
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TM 9-2350-277-20-4 REPLACE COMMANDER’S HATCH HOOK AND BUMPER (M577A3 AND M1068A3 ONLY) — Continued 0501 00 REMOVAL WARNING Falling hatch could seriously injure you. Keep head lower than closed hatch position when opening or closing hatch. Keep hands clear of hatch rim when closing. Make sure latch pin or mechanism is fully engaged when hatch is in any open position. 1. Open both ends of hook (1). Remove from chain (2) and hull bracket. 2. Remove tube (3) from chain (2). 3. Open both ends of hook (4). Remove from chain (2) and quick release pin (5). 4. Remove two screws (6), nuts (7), four washers (8), and block (9) from bracket. 5. Remove locknut (10), washer (11), bumper (12), and washer (13) from hull brackets. Discard locknut. 0501 00-2