ARMY TM 9-6115-642-24
AIR FORCE TO 35C2-3-455-12
MARINE CORPS TM 09247A/09248A-24/2
TABLE 2-6. UNIT TROUBLESHOOTING - Continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1. ENGINE FAILS TO CRANK - Continued
Step 10. Test for defective battery charging ammeter shunt, paragraph 2-29.2.
a. If not defective, do Step 11.
b. If defective, replace battery charging ammeter shunt, paragraph 2-29.
Step 11. Test for defective Reverse Battery Diode (CR1), paragraph 2-34.2.
a. If not defective, do Step 12.
b. If defective, replace reverse battery diode, paragraph 2-34.
Step 12. Test for defective EMERGENCY STOP switch, paragraph 2-9.2.
a. If not defective, do Step 13.
b. If defective, replace EMERGENCY STOP switch, paragraph 2-49.
Step 13.Test for defective engine fault relay (K12), paragraph 2-33.2.
a. If engine fault relay is not defective, do Step 14.
b. If defective, replace engine fault relay, paragraph 2-33.
Step 14. Test for defective BATTLE SHORT switch (S7), paragraph 2-50.2.
a. If BATTLE SHORT switch is not defective, do Step 15.
b. If defective, replace BATTLE SHORT switch, paragraph 2-50.
Step 15. Test for defective crank disconnect switch (S14), paragraph 2-32.2.
a. If crank disconnect switch is not defective, do Step 16.
b. If defective, replace crank disconnect switch, paragraph 2-32.
Step 16. Test for defective crank disconnect relay (K16), paragraph 2-33.2.
a. If crank disconnect relay is not defective, do Step 17.
b. If defective, replace crank disconnect relay, paragraph 2-33.
Step 17. Check starting circuit for breaks or loose connections, refer to Schematic Diagram FO-1.
a. If starting circuit has no breaks and connections are tight, do Step 18.
b. If defective, repair or replace defective wires or connections.
Step 18. Test for defective cranking relay (K2), paragraph 2-63.3.
a. If cranking relay is not defective, do Step 19.
b. If defective, replace cranking relay, paragraph 2-62.
Step 19. Test for defective starter solenoid, refer to TM 9-2815-253-24.
a. If starter solenoid is not defective, do Step 20.
b. If defective, replace starter solenoid in accordance with TM 9-2815-253-24.
Step 20. Test for defective starting motor, refer to TM 9-2815-253-24.
If defective, replace starting motor in accordance with TM 9-2815-253-24.
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