TM 5-2420-230-24-2
B3.9 and B5.9 Series Engines
Troubleshooting Symptoms Charts
Section TS - Troubleshooting Symptoms
Page TS-53
Engine Starts But Will Not Keep Running (Continued)
Cause
Correction
Verify by operating the engine with clean fuel
Fuel contaminated
.......
from a temporary tank.
OK
F
Check the fuel drain lines for restriction. Clear
or replace the fuel lines, check valves, or tank
uel drain line is restricted
.......
vents as necessary. Refer to Procedure
006-012.
OK
I
Check the intake and exhaust systems for
restrictions. Inspect the intake air filter and
ntake and exhaust system restricted
.......
replace as necessary. Refer to Procedure
010-031 or 011-009.
OK
I
Check the injectors and replace any malfunc-
njectors worn or malfunctioning
.......
tioning injectors. Refer to Procedure 006-026.
OK
F
Put the engine at top dead center. Check and
uel injection pump timing is not correct
.......
adjust the fuel timing. Refer to Procedure
005-013, 005-014, or 005-037.
OK
F
Remove the fuel injection pump. Check the
calibration of the fuel injection pump. Refer to
uel injection pump is malfunctioning
.......
Procedure 005-012 or 005-014.
L-637
