TM 9-4310-397-144-66. STARTERTESTINGANDREPLACEMENT.-Continued(c)Make all connections with switch open and carbon pile load turned off. Hook negative batteryconnection last to ground on the starter frame.WARNINGSparking or current flow can occur if the starter solenoid is frozen. Stop test or injury topersonnel can occur.(d)Watch for sparking or current flow in battery as you make all connections.(e)If this occurs, stop test. Starter solenoid switch is frozen. Replace starter.(2)Teststarter.WARNINGKeep fingers and tools away from opening in housing while testing. The starter drive pinionwill shift strongly as it moves into the cranking position and spins and could cause personalinjury.CAUTIONOverheating and damage to the starter can occur if starter is operated under a no load testwith the switch closed for longer than 30 second maximum cycles. Allow starter to cool for atleast two minutes.(a)Momentarily close switch and observe for the following:1High current flow and starter fails to operate (zero rpm), release switch immediately. Internalmechanical damage is indicated, replace the starter.2No current flow and starter fails to operate (zero rpm), release switch immediately. Open circuit isindicated, replace starter.3If there is current flow and starter operates, release switch and proceed with the next step.(b)Close switch and observe voltmeter. Adjust carbon pile load to obtain 10 volt reading. Observe andrecord ammeter and RPM readings. Release switch.1Ammeter reading should be between 125 to 190 amps.2Rpm reading should be between 3,000 to 5,600 RPM.3Replace starter if readings are not within above ranges.c.Installation.(1)Position starter (Figure 4-73, 9), and install two hex head screws (10) and new lock washers (11) (item 43,appendix H).(2)Install wire lead (4) and two battery cables (3), lock washer (2), and nut (1). Check wiring diagram (Figure4-3) and tags before installing wires. Remove tags.4-172
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