TM-9-2350-311-20-1 Maintenance Manual for Volume 1 M109 Hull Download
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3-2 QUICK GUIDE TO TROUBLESHOOTING — CONTINUED ITEM SYMPTOM PRIMARY ALTERNATE BATTERY ENGINE CRANKS SLOWLY MASTER RELAY MASTER SWITCH INDICATOR LIGHT IS LIT MASTER SWITCH INDICATOR LIGHT FAILS TO OPERATE; MASTER SWITCH IS ON STARTER ENGINE DOES NOT CRANK; ALL ELECTRICAL ACCESSORIES OPERATE COMBAT OVERRIDE SWITCH WILL NOT OVERRIDE ENGINE CRANKS FOR SHORT TIME ONLY; BATTERY POWER LEVEL IS CORRECT ENGINE ENGINE CRANKS BUT FAILS TO START ENGINE IDLES OVER 650. RPM ENGINE DOES NOT ACCELERATE PROPERLY OR DOES NOT DEVELOP FULL POWER ENGINE DOES NOT MAINTAIN STEADY RPM ENGINE USES EXCESSIVE OIL ENGINE USES EXCESSIVE FUEL WHITE EXHAUST SMOKE IS PRESENT Para l-5, NG 30 Para 3-3a Para 3-3b(1) None Para 3-3b(2) None Para l-5, NG 20 and/or NG 60 Para 3-3d(2) Para 3-3d(3) Para 3-3e(1) Adjust hand throttle control rod and accelerator pedal (para 9-15 and 9-16) Para 3-3e(2) None Para 3-3e(3) Check oil lines, oil filters, and engine cover for excessive leaks Para 3-3e(4) Para 3-3e(5) Para 3-3c, M109A2/M109A3 Para 3-3d(1), M109A4/M109A5 None None None None None None 3-4 TM 9-2350-311-20-1