TM-9-2350-277-20-5 Unit Maintenance Manual Volume 5 M113A3 M577A3 M1064A3 M1068A3 M58 Download
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TM 9-2350-277-20-5 REPLACE M3 NBC HEATER CONTROL BOX, REGULATOR, AND BRACKET (M113A3 AND M577A3 ONLY) 0791 00 THIS WORK PACKAGE COVERS: Removal (page 0791 00-1). Installation (page 0791 00-4). 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 0926 00, Item 65) M a t e r i a l s / P a r t s Lockwashers (1) Lockwashers (1) Lockwashers (8) Lockwashers (8) Lockwashers (4) Straps (2) 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 ground strap disconnected (WP 0337 00) Open master switch panel assembly (WP 0260 00) REMOVAL NOTE Tag all leads and cables before removing. 1. Remove screw (1), lockwasher (2), and circuit 536 cable (3) from bus bar (4) in distribution box (5). Discard lockwasher. 2. Disconnect wiring harness (6) from control box (7). 3. Remove four screws (12), four washers (13), four lockwashers (14) and control box (7) from bracket (11). Discard lockwashers. 4. Remove four screws (15), washers (16), and cover (17) from control box (7). 0791 00-1 Change 2 or (WP 0338 00)