TM 9-6115-730-24
0011
TROUBLESHOOTING FAILURES WITHOUT FAULT CODES - Continued
MALFUNCTION
Fuel Supply Problem.
CORRECTIVE ACTION
STEP 1.
On EMCP set ENGINE CONTROL switch to OFF/RESET. Set Battery
Disconnect Switch to OFF. Set DEAD CRANK SWITCH to OFF.
STEP 2.
Check the fuel lines for restriction, collapsed lines, and pinched lines.
STEP 3.
Check the fuel tank for foreign objects or debris which may block the fuel lines.
STEP 4.
Prime the fuel system if any of the following have been performed (WP 0078).
a.
Replacement of the fuel filters.
b.
Service on the low pressure fuel supply circuit.
c.
Replacement of unit (fuel) injectors.
STEP 5.
Purge air from the low pressure fuel supply circuit using the fuel priming pump.
STEP 6.
Check the fuel pressure after the fuel filter while the engine is being cranked
a.
If the fuel pressure is low, replace the fuel filters (WP 0080).
b.
If the fuel pressure is still low, check the following items (WP 0102).
(1) Fuel transfer pump
(2) Fuel transfer pump coupling.
(3) Fuel pressure regulating valve.
STEP 7.
Perform the Injector Solenoid Test and the Cylinder Cutout Test (WP 0013,
SYMPTOM 5).
STEP 8.
Verify the problem has been resolved.
MALFUNCTION
Generator Malfunction.
CORRECTIVE ACTION
Inspect generator for problems or restrictions that would place excess load on engine.
Visually check generator rotor shaft for excessive play, vibration, or noise (WP 0094). If
problem is not resolved, go to Engine Misfires, Runs Rough, or is Unstable (SYMPTOM 21).
0011-39
