ENGINE FAILS TO CRANK WHEN STARTER IS ENGAGED WARNING

TM 5-2420-222-20-1

ORGANIZATIONAL TROUBLESHOOTING

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

NOTE

Perform Operator PMCS and Troubleshooting (TM 5-2420-222-10), and Organizational

PMCS (page 26), before performing Organizational Troubleshooting.

ENGINE

1. ENGINE FAILS TO CRANK WHEN STARTER IS ENGAGED WARNING

WARNING

Although Ignition lock switch must be on and battery ground cable connected to test

electrical circuit voltage, turn off ignition lock switch and disconnect battery ground

cable before doing resistance tests or replacing parts. This will keep you from getting

shocked and prevent damage to parts and equipment.

CAUTION

Do not operate electric starting motor for more than 20 seconds at a time. Allow two

minutes for cooling before using starter again to prevent overheating.

Step 1.

Have assistant turn ignition lock switch (1) clockwise to ignition. Have assistant push in and hold

starter switch (2) for a few seconds. Listen to starter (3) and solenoid (4) for grinding, thumping, or

spinning noise. Turn ignition lock switch (1) counterclockwise to off.

TA242713

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