TM 9-2350-277-20-4REPLACE DRIVER’S HATCH HOLD-OPEN HOOK AND BUMPER (M577A3AND M1068A3 ONLY)0533 00THIS WORK PACKAGE COVERS:Removal (page 0533 00-1).Cleaning (page 0533 00-2).Repair (page 0533 00-2).Installation (page 0533 00-3).INITIAL SETUP:Maintenance LevelUnitTools and Special ToolsGeneral Mechanic’s Tool Kit (WP 0926 00, Item 65)Materials/PartsLocknutLocknut (2)Personnel RequiredUnit MechanicReferencesSee your -10Equipment ConditionEngine stopped (see your -10)Carrier blocked (see your -10)REMOVAL1. 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 nut (6), washer(s) (7), bumper (8), and washer(s) (9) from bulkhead bracket.5. Remove locknut (10), screw (11), two washers (12), spring (13), two spacers (14), and hook (15) from hull bracket.Discard locknut.0533 00-1
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