Tab 10-40 Exhaust gas temperature downstream of a turbocharger is too high
Indication
Possible cause
Procedure
TE3731-nnA
A turbocharger surges
•
As a temporary procedure, decrease the en-
gine load.
•
If applicable, open the exhaust waste gate
valve.
•
Refer to the turbocharger manual.
A turbocharger is defective
•
Refer to the turbocharger manual.
Tab 10-41 Exhaust valve does not operate, unwanted noise
Indication
Possible cause
Procedure
Refer to the display
of a control panel
The air spring air pressure is too
low
•
Find the cause and repair the fault.
The opening oil pressure is too low
•
Find the cause and repair the fault.
An exhaust valve is defective (pis-
ton cannot move, or a piston is de-
fective)
•
Repair the exhaust valve.
Tab 10-42 Smoke is too dark
Indication
Possible cause
Procedure
The engine has too much load
•
Decrease the fuel injection quantity.
There is unwanted material in the
scavenge air
•
Find the cause and remove the unwanted
material.
The fuel does not have the speci-
fied properties
•
Use fuel with the specified properties.
X72-B
AA00-0000-00AAA-410C-A
Operation Manual
Malfunctions of systems and components
Winterthur Gas & Diesel Ltd.
- 401 -
Issue 003 2021-12
