TM-9-2350-261-20-1 Unit Maintenance Manual Volume 1 M113A2 M577A2 M1064 M1068 M1059 M901A1 Download
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A3Y 1. Turn MASTER SWITCH to OFF (see your -10). 2. Replace circuit 10 in master switch panel from the bus bar to t he circuit breaker (WP 0312 00). 3. Verify no faults found. BY 1. Remove circuit 509 plug (1) from admittance buzzer jack (2). 2. (H): Depress admittance buzzer switch. 3. Measure voltage between circuit 509 plug (1) and ground. 4. Does multimeter read less than 17 volts? B2Y 1. Remove rear main harness circuit 509 plug (1) from admittance buzzer switch (2). 2. Install a jumper wire between admittance buzzer circuit 509 plug (1) and ground. 3. Measure voltage across two pin contacts of circuit 509 plug (1) from admittance buzzer switch. 4. Does multimeter read less than 17 volts? 0044 00-3 RIGHT REAR UTILITY OUTLET/ADMITTANCE BUZZER WORKS IMPROPERLY (M577A2 AND M1068 ONLY) — Continued 0044 00 TM 9-2350-261-20-1 BYN 1. Turn MASTER SWITCH to OFF (see your -10). 2. Replace admittance buzzer (WP 0282 00). 3. Verify no faults found. B2YN 1. Turn MASTER SWITCH to OFF (see your -10). 2. Replace admittance buzzer switch (WP 0282 00). 3. Verify no faults found.