TM-9-2350-311-34-1 Maintenance Manual for Volume 1 M109 Hull Download
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TM 9-2350-311-34-1 3-2 QUICK GUIDE TO TROUBLESHOOTING — CONTINUED ITEM PROBLEM COOLING SYSTEM ENGINE OVERHEATS ENGINE COOLING FANS DO NOT OPERATE WHEN ENGINE IS RUNNING COOLING FAN DRIVE ASSEMBLY DOES NOT MEET BACKLASH REQUIREMENT ELECTRICAL SYSTEM ELECTRICAL COMPONENTS INOPERATIVE ELECTRICAL COMPONENTS INOPERATIVE, DEFECTIVE GENERATOR ELECTRICAL COMPONENTS INOPERATIVE, DEFECTIVE MASTER RELAY ELECTRICAL COMPONENTS INOPERATIVE, DEFECTIVE RECTIFIER EXCESSIVE OIL LEAKAGE AROUND FINAL DRIVE FINAL DRIVE ASSEMBLY SOLUTION OR REFERENCE Para 3-3d Check for broken, damaged, or defective fan driveshafts (para 6-4). Adjust backlash as required (para 6-2). Recharge or replace batteries (TM 9-6140- 200-14). Rebuild alternator as required (TM 9-2920- 225-34 or TM 9-2920-258-30&P). Test relay unit for proper operation (TM 9- 4910-571-1 2&P). Para 3-3g Para 8-1 3-4