TM 9-2320-387-24-l . KNOWN INFO .NGINE DOESN’T CRANK PROPERLY COMPRESSION/MECHANICAL POSSIBLE PROBLEMS ENGINE STARTER CIRCUIT BATTERY CIRCUIT KNOWN INFO ENGINE DOESN’T CRANK PROPERLY BATTERY CIRCUIT OK POSSIBLE PROBLEMS ENG~JE STARTER CIRCUIT BATTERY CIRCUIT OK STARTER CIRCUIT OK POSSIBLE PROBLEMS ENGINE DRIVETRAIN IS THE BATTERY CIRCUIT OK? DIAGNOSTIC FLOWCHART T OPTIONS 1. ST-E/ICE-R TEST 67,73.75 (Pages 2-496,2-502.2-504) 2. BATTERY CIRCUIT TESTS (Page 2-237) REASON FOR QUESTION A faulty battery circuit can cause slow or no cranking. IS THE STARTER CIRCUIT OK? T OPTIONS 1. STE/ICE-R TESTS 71,72.74 (Pages 2-500.2-501,2-503) 2. STARTER CIRCUIT TESTS (Page 2-247) REASON FOR QUESTION A faulty starter circuit can cause I slow or no cranking. CAN YOU TURN THE CRANKSHAFT MANUALLY? ST OPTIONS USE A BREAKER BAR AND SOCKET ON CRANKSHAFT PULLEY BOLT. REASON FOR QUESTION If you can’t turn the engine by hand, the engine is probably seized. 2-152
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