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 ah. SLAVE START/EXTERNAL POWER (2) EXTERNAL POWER RECEPTACLE FAILS TO RECEPTACLE CIRCUIT (M1 09A4/M109A5) — OPERATE — CONTINUED CONTINUED — CONTINUED FROM STEP A B 1. Remove external power source from external power receptacle. 2. Reconnect leads 49B and GND to external power receptacle. 3. Disconnect NATO slave start-to-external power wiring harness from driver’s bulkhead. 4. Reapply external power source. 5. Place red lead of multimeter on pin B (lead 49A) and black lead to ground. 6. Turn MASTER switch to SLAVE and check for voltage. 7. Turn MASTER switch OFF. Is voltage present? I Repair or replace lead 49A/49B of NATO slave start-to-external power wiring harness (para 8-63). E 1. Reconnect NATO slave start-to-external power wiring harness to driver’s bulkhead. 2. Disconnect lead 49 from batteries. 3. Place red lead of multimeter on lead 49 and black lead to ground. 4. Turn MASTER switch to SLAVE and check for voltage. 5. Turn MASTER switch OFF. Is voltage present? Repair or replace lead 49 of driver’s bulkhead-to-batteries lead assembly (para 8-86). Troubleshoot battery circuit (para 3-3a). END OF TASK 3-362