TM-9-2350-277-20-1 Unit Maintenance Manual Volume 1 M113A3 M577A3 M1064A3 M1068A3 M58 Download

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TM 9-2350-277-20-1 RADIO(S) DON’T WORK 0044 00 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) P e r s o n n e l R e q u i r e d Unit Mechanic 63T10 Helper (H) 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) NOTE Location varies by model. T 1. Remove radio plug (1) from harness 12349859-1 (left radios) or harness 12349859-2 (right radios) jack (2) or (3). 2. Measure voltage between harness 12349859-1 jack (2) (front) or -2 (3) (rear) pins A and B. 3. Does VTM read less than 17 volts? YES NO TN 1. Faulty radio. Beyond unit maintenance repair. 2. Notify supervisor. Y 1. Perform STE/ICE test 67 battery voltage (WP 0124 00). 2. Does VTM read less than 17 volts? YES NO YN 1. Replace harness 12349859-1 (WP 0369 00) or -2 (WP 0370 00). 2. Verify no faults found. 2Y 1. Service carrier batteries (see your -10). 2. Verify no faults found. 0044 00-1/2 blank