TM 5-2420-230-24-2
B3.9 and B5.9 Series Engines
Troubleshooting Symptoms Charts
Section TS - Troubleshooting Symptoms
Page TS-65
Fuel in the Lubricating Oil
This is symptom tree T092.
Cause
Correction
Check or replace the fuel transfer pump. Refer
Fuel transfer pump malfunctioning
.......
to Procedure 005-045.
OK
F
Remove the fuel injection pump and repair if
uel injection pump seal leaking (rotary)
.......
necessary. Refer to Procedure 005-014.
OK
I
Remove the fuel injection pump and repair if
nternal plunger seal leaking (inline)
.......
necessary. Refer to Procedure 005-012.
OK
I
Check or replace the injector. Refer to Proce-
njector needle valve sticking
.......
dure 006-026.
L-649
