TM 9-2350-277-20-5REPLACE M13 NBC FILTER SWITCH AND MOUNT BRACKET (M577A3ONLY)0803 00THIS WORK PACKAGE COVERS:Removal (page 0803 00-1).Installation (page 0803 00-3).INITIAL SETUP:Maintenance LevelUnitTools and Special ToolsGeneral Mechanic’s Tool Kit (WP 0926 00, Item 65)Materials/PartsLocknut (4)Personnel RequiredUnit MechanicReferencesSee your -10Equipment ConditionEngine stopped (see your -10)Carrier blocked (see your -10)Battery ground lead disconnected (WP 0338 00)REMOVAL1. Disconnect circuit 537F (1) and ground lead (2) from light (3) on switch assembly (4).2. Disconnect circuit 579A (5) from circuit breaker (6) on switch assembly (4) and circuit lead 415 (7).3. Remove two screws (8), four washers (9), two locknuts (10), and switch assembly (4) from bracket (11). Discardlocknuts.0803 00-1
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