TM 9-2350-277-20-6REPLACE M25/M25A1 VFM HEATER (M981A3 ONLY) 0911 00THIS WORK PACKAGE COVERS:Removal (page 0911 00-1).Installation (page 0911 00-2).INITIAL SETUP:Maintenance LevelUnitTools and Special ToolsGeneral Mechanic’s Tool Kit (WP 0926 00, Item 65)Materials/PartsCorrosion preventive compound (WP 0928 00, Item 24)Locknut (4)Lockwasher (4)Personnel RequiredUnit MechanicReferencesSee your -10TM 3-6680-316-10Equipment ConditionEngine stopped (see your -10)Carrier blocked (see your -10)Battery ground leads disconnected (WP 0339 00)REMOVAL1. Unplug power lead (1) from heater jack (2).2. Loosen clamp (3) and remove clamp and hose assembly (4) from adapter (5).3. Loosen clamp (6) and remove clamp and hose assembly (7) from adapter (8).4. For right side VFM heaters, remove four screws (9), washers (11), locknuts (12), and VFM heater (13). Discard locknuts5. For left side VFM heaters, remove four screws (9), washers (11), lockwashers (10), and VFM heater (13). Discardlockwashers.0911 00-1
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