TM-9-2350-261-20-4 Unit Maintenance Manual Volume 4 M113A2 M577A2 M1064 M1068 M1059 M901A1 Download
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TM 9-2350-261-20-4 REPLACE M3 NBC HEATERS AND CONTROLLERS (M113A2 AMBULANCES ONLY) 0687 00 THIS WORK PACKAGE COVERS: Removal (page 0687 00-1). Installation (page 0687 00-3). 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 0780 00, Item 29) M a t e r i a l s / P a r t s Locknut (24) Tie strap (AR) P e r s o n n e l R e q u i r e d Unit Mechanic 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 lead disconnected (WP 0294 00) REMOVAL 1. Disconnect circuit lead 537A (1) and circuit lead 537B (2) from upper and lower heaters (3) and (4) on right side of carrier. 2. Loosen clamps (5) and (6). Remove upper and lower outlet hoses (7) and (8) from upper and lower heater (3) and (4). 3. Loosen clamps (9) and (10). Remove upper and lower inlet hoses (11) and (12) from upper and lower heaters (3) and (4). 4. Remove eight screws (13), 16 washers (14), eight locknuts (15), and upper and lower heater (3) and (4) from bracket (16). Discard locknuts. 5. If damaged, remove two screws (17), lockwashers (18), and bracket (16) from hull top plate. Discard lockwashers. 0687 00-1