TM 9-2350-277-20-4REPLACE COMMANDER’S CUPOLA HOLD-OPEN HOOK AND BUMPER(M113A3, M1059A3, M58, AND M1064A3 ONLY)0494 00THIS WORK PACKAGE COVERS:Removal (page 0494 00-1).Installation (page 0494 00-2).INITIAL SETUP:Maintenance LevelUnitTools and Special ToolsGeneral Mechanic’s Tool Kit (WP 0926 00, Item 65)Personnel RequiredUnit MechanicReferencesSee your -10Equipment ConditionEngine stopped (see your -10)Carrier blocked (see your -10)REMOVAL1. Open both ends of hook (1). Remove hook from chain (2) and cupola bracket.2. Remove tube (3) from chain (2).3. Open both ends of hook (4). Remove hook from chain (2) and safety pin (5).0494 00-1
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