TM-9-2350-247-20-3 Unit Maintenance Manual Volume 3 M548A1 M548A3 Tracked Cargo Carrier Download

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TM 9-2350-247-20-3 REPLACE/REPAIR HEATER CONTROL BOX 0472 00 THIS WORK PACKAGE COVERS: Removal (page 0472 00-1) Disassembly (page 0472 00-2) Assembly (page 0472 00-5) Installation (page 0472 00-7) INITIAL SETUP: M a i n t e n a n c e L e v e l Unit T o o l s a n d S p e c i a l T o o l s General Mechanic’s Tool Kit (WP 0541 00, Item 57) Electrical Tool Kit (WP 0541 00, Item 56) M a t e r i a l s / P a r t s Lock washer (12) P e r s o n n e l R e q u i r e d Unit Mechanic R e f e r e n c e s See your -10 E q u i p m e n t C o n d i t i o n Engine stopped (see your -10) Carrier blocked (see your -10) Battery negative lead(s) disconnected (WP 0292 00) REMOVAL 1. Disconnect circuit 400 lead (1) from heater control box lead (2). 2. Disconnect heater wiring harness (3) from heater control box (4). 3. Remove two screws (5) and heater control box (4) from control box case (6). 4. Remove two screws (7), control box case (6), and two lock washers (8) from two hull weld nuts (9). Discard lock washers. 0472 00-1