TM-9-2350-311-20-1 Maintenance Manual for Volume 1 M109 Hull Download
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TM 9-2350-311-20-1 3-3 TROUBLESHOOTING CHART — CONTINUED n. ALTERNATOR CIRCUIT (M109A4/M109A5) — ALTERNATOR FAILS TO CHARGE BATTERIES; GAGE CONTINUED INDICATION: NOT CHARGING, UNSTEADY OR INACCURATE READING — CONTINUED 1. Reconnect lead 27 to circuit breaker output. E 2 Disconnect lead 10 from circuit breaker . input. 3. Place red lead of multimeter in lead 10 and black lead to ground. 4. Turn MASTER switch ON and check for voltage. 5. Turn MASTER switch OFF. Is voltage present? Replace circuit breaker (para 8-34). F 1. Reconnect lead 10 to circuit breaker input. 2. Disconnect lead 82 of master relay-to- driver’s bulkhead lead assembly from master relay. 3. Place red lead of multimeter in master relay and black lead to ground. 4. Turn MASTER switch ON and check for voltage. 5. Turn MASTER switch OFF. Is voltage present? I Troubleshoot master relay circuit (para 3-3b). CONTINUED ON NEXT PAGE 3-172