ARMY TM 9-6115-645-24
AIR FORCE TO 35C2-3-444-12
MARINE CORPS TM 09244A/09245A-24/2
TABLE 2-6. UNIT TROUBLESHOOTING - Continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Step 10. Test for defective EMERGENCY STOP switch, paragraph 2-41.3.
a. If not defective, do Step 11.
b. If defective, replace EMERGENCY STOP switch, paragraph 2-41.
Step 11. Test for defective start relay (K15), paragraph 2-60.2.
a. If not defective, do Step 12.
b. If defective, replace start relay, paragraph 2-60.
Step 12. Test for defective cranking relay (K2), paragraph 2-101.2.
a. If cranking relay is not defective, do Step 13.
b. [f defective, replace cranking relay, paragraph 2-101.
Step 13. Test for defective crank disconnect relay (K16), paragraph 2-60.2.
a. If crank disconnect relay is not defective, do Step 14.
b. If defective, replace crank disconnect relay, paragraph 2-60.
Step 14. Check starting circuit for breaks or loose connections. Refer to Electrical Schematic FO-1.
a. If starting circuit has no breaks and connections are tight, do Step 15.
b. if defective, repair or replace defective wires or connections.
Step 15. Test for defective starter solenoid, refer to TM 9-2815-256-24.
a. If starter solenoid is not defective, do Step 16.
b. If defective, replace starter solenoid in accordance with TM 9-2815-256-24.
Step 16. Test for defective starting motor, refer to TM 9-2815-256-24.
a. If defective, replace starting motor in accordance with TM 9-2815-256-24.
b. If starting motor is not defective, notify next higher level of maintenance.
2. ENGINE CRANKS BUT FAILS TO START.
Step 1. Test for low battery output, paragraph 2-12.1.
a. If batteries are fully charged, do Step 2.
b. If not fully charged, replace batteries, paragraph 2-12.
Step 2. Check for clogged or defective fuel filter/water separator.
a. If fuel fiIter/water separator is not clogged or defective, do Step 3.
b. If clogged or defective, replace fuel filter/water separator in accordance with TM 9-2815-256-24.
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