TM-9-2350-261-20-1 Unit Maintenance Manual Volume 1 M113A2 M577A2 M1064 M1068 M1059 M901A1 Download
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TM 9-2350-261-20-1 MASTER SWITCH ON INDICATOR DOES NOT LIGHT — Continued 0046 00 BY 1. Turn MASTER SWITCH to OFF (see your -10). 2. Inspect carrier batteries (WP 0295 00). 3. Are batteries in proper maintenance and well charged? BYN 1. Service carrier batteries (see your -10). 2. Verify no faults found. B2Y 1. Remove eight nuts (1), washers (2), and screws (3) from master switch panel (4). Pull panel away from distribution box (5). 2. Inspect circuit 6 terminal end on master switch (6). 3. Are terminal end and master switch free from corrosion and/or other damage? B2YN 1. Repair battery to master power cable (WP 0314 00). 2. Verify no faults found. B3Y 1. Turn MASTER SWITCH to ON (see your -10). 2. Measure voltage between master switch terminals (1) and ground. 3. Does multimeter read more than 17 volts? B3YN 1. Replace master switch (WP 0221 00). 2. Verify no faults found. 0046 00-3