TM 9-2350-287-20-12-19. TROUBLESHOOTING CHART (continued).g GAGES (continued).(10) SPEEDOMETER FAILS TO OPERATE.Initial Setup:Tools/Test Equipment:Equipment Conditions:• General mechanic’s tool kit (Item 24,• MASTER switch set to OFFAppendix 1)(refer to TM 9-2350-287-10).• Socket wrench socket adapter (Item 63,• Remove portable instrument panelAppendix 1)(para 7-6).• Open transmission access doors (refer toPersonnel Required: TwoTM 9-2350-287-10).A. 1. Disconnect speedometer drive shaft fromspeedometer.2. Rotate shaft on speedometer by hand.3. Observe speedometer needle for move-ment.Does speedometer needle move?B. 1. Disconnect flexible drive shaft from speed-ometer angle drive adapter.2. With the aid of an assistant, rotate driveshaft by hand at one end.3. Observe other end for rotation.Does shaft rotate?GO TO STEP E Continued on next page2-131Replace speedometer (para 7-9).Verify problem is solved.
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