TM 5-2420-230-24-2
Troubleshooting Symptoms Charts
B3.9 and B5.9 Series Engines
Page TS-60
Section TS - Troubleshooting Symptoms
Engine Will Not Shut Off
This is symptom tree T081.
Cause
Correction
Check the air intake ducts. Locate and isolate
Engine is running on fumes drawn into the air
.......
the source of the fumes. Repair as necessary.
intake
Refer to the OEM service manuals.
OK
F
Stop the engine mechanically, by moving the
manual shutoff lever to the STOP position.
uel shutoff valve (FSOV) is malfunctioning
.......
Check for correct solenoid operation. Refer to
Procedure 005-043.
OK
F
Remove the fuel pump. Refer to Procedure
uel injection pump is malfunctioning
.......
005-012 or 005-014. Calibrate the fuel pump.
L-644