RIGHT REAR UTILITY OUTLET/ADMITTANCE BUZZER WORKS IMPROPERLY (M577A3 AND M1068A3 ONLY)Continued

RIGHT REAR UTILITY OUTLET/ADMITTANCE BUZZER WORKS IMPROPERLY (M577A3 AND M1068A3 ONLY)Continued - TM-9-2350-277-20-1_234

RIGHT REAR UTILITY OUTLET/ADMITTANCE BUZZER WORKS IMPROPERLY (M577A3 AND M1068A3 ONLY)Continued - TM-9-2350-277-20-1_236

TM-9-2350-277-20-1 Hull Powerpack Drive Controls Tracks Suspension and Associated Components Carrier Ammunition Tracked Manual
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TM 9-2350-277-20-1 RIGHT REAR UTILITY OUTLET/ADMITTANCE BUZZER WORKS IMPROPERLY (M577A3 AND M1068A3 ONLY)—Continued 0042 00 A3Y 1. Turn MASTER SWITCH to OFF. 2. Replace circuit 10 in master switch panel from the bus bar to the circuit breaker (WP 0382 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? YES NO BYN 1. Turn MASTER SWITCH to OFF. 2. Replace admittance buzzer (WP 0334 00). 3. Verify no faults found. 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? YES NO B2YN 1. Turn MASTER SWITCH to OFF. 2. Replace admittance buzzer switch (WP 0334 00). 3. Verify no faults found. 0042 00-3

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