TROUBLESHOOTING CHART (continued) - TM-9-2350-287-20-1

TROUBLESHOOTING CHART (continued) - TM-9-2350-287-20-1_181

(10) SPEEDOMETER FAILS TO OPERATE

TM-9-2350-287-20-1 Carrier Ammunition Tracked M992A21 (2350-01-352-3021) EIC:AE6 Manual
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TM 9-2350-287-20-1 2-19. TROUBLESHOOTING CHART (continued). g. GAGES (continued). (9) TACHOMETER FAILS TO OPERATE WHEN ENGINE IS RUNNING (continued). C. 3. Have assistant hold fuel shutoff out. Crank engine (refer to TM 9-2350-287-10). 4. Observe tachometer flexible drive shaft for rotation. Does tachometer flexible drive shaft rotate? Replace tachometer drive shaft from tachometer drive to bulkhead coupling (para 20-2). D. 1. Connect tachometer drive shaft to bulkhead coupling. 2. Disconnect tachometer drive shaft from pulse tachometer. 3. Have assistant hold fuel shutoff out. Crank engine (refer to TM 9-2350-287-1 O). 4. Observe pulse tachometer for rotation. Does pulse tachometer rotate? Replace pulse tachometer (para 20-2). Verify problem is solved. Replace tachometer drive shaft from pulse tachometer to tachometer (para 20-2). Verify problem is solved. END OF TASK 2-130

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