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 M13 NBC FILTER SWITCH (M1068A3 ONLY) 0805 00 THIS WORK PACKAGE COVERS: Removal (page 0805 00-1). Installation (page 0805 00-2). 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 Lockwasher (2) Lockwasher (2) Lockwasher (2) Lockwasher (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 lead disconnected (WP 0338 00) REMOVAL 1. Loosen two mounting screws (1) securing air filter switch assembly (2) to top plate. Remove cover (3) from switch assembly. 2. Remove circuit 537C lead (4) and ground lead (5) from air filter ON lamp (6) on switch assembly (2). 3. Remove circuit 579A lead (7) from circuit breaker (8) on switch assembly (2) and Y-connector (9). 4. Remove circuit 579C lead (10) from air filter switch (11) on switch assembly (2). 5. Remove two mounting screws (1), lockwashers (12), washers (21), and switch assembly (2) from top plate. Discard lockwashers. 0805 00-1