TM 5-2420-230-24-2
Troubleshooting Symptoms Charts
B3.9 and B5.9 Series Engines
Page TS-66
Section TS - Troubleshooting Symptoms
Fuel or Lubricating Oil Leaking From Exhaust Manifold
This is symptom tree T093.
Cause
Correction
Review the engine operating instructions in
Section 1 in the Operations and Maintenance
Engine is operating for extended periods under
.......
Manual, B Series Engines, Bulletin No.
light- or no-load conditions (slobbering)
3810205.
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 or replace the injector. Refer to Proce-
njector needle valve sticking
.......
dure 006-026.
OK
T
Remove the turbocharger drain line and, check
urbocharger drain line is restricted
.......
for restriction. Clean or replace the drain line.
OK
T
Check the turbocharger compressor and
urbocharger oil seal is leaking
.......
turbine seals. Refer to Procedure 010-040 or
010-049.
OK
W
Check for excessive blowby. Refer to Proce-
orn piston rings
.......
dure 014-010.
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
005-037.
L-650