Operation
0820−1/A1
Winterthur Gas & Diesel Ltd.
1/ 7
Irregular Operation
1. Load Indications 1..................................................
2. Cylinder Lubrication 4..............................................
3. Exhaust Valve 5....................................................
4. Turbocharger 6.....................................................
5. Oil Mist Detector 6..................................................
6. Exhaust Waste Gate 7...............................................
1. Load Indications
At the same load indication compared to indications recorded before, or with data in
the acceptance records.
Problem Possible Causes Procedure
The scavenge air pressure
decreases
The scavenge air cooler is dirty on the air
side
The water separator is clogged or damaged
See 6606−1 paragraph 3
The intake temperature upstream of
turbocharger is high.
Make sure that the air intake
is clear
The diffuser, blower and inducer to
turbocharger is dirty or damaged
Clean the turbocharger during
operation, see the related
Turbocharger Manual.
The silencer upstream of the turbocharger is
dirty
The turbine rotor blade is dirty or damaged
The nozzle ring of turbocharger is damaged
The exhaust gas boiler (plant side) is
clogged. There is increased resistance or
back pressure downstream of turbine
Clean as soon as possible
The scavenge air pressure
increases
The nozzle ring of turbocharger is dirty or
clogged
Clean the turbocharger during
operation, see the related
Turbocharger Manual.
The exhaust temperature
upstream of turbocharger
increases
The air supply is not sufficient because of a
defect, or the turbocharger, silencer or
scavenge air cooler is very dirty
Clean the turbocharger during
operation, see the related
Turbocharger Manual. See
6606−1, paragraph 3 Air side
cleaning of the SAC in service
The air flaps in the scavenge air receiver are
dirty or defective
Clean, do an overhaul or
replace the air flaps
The injection nozzles are worn Replace the injection nozzles
The intake temperature upstream of
turbocharger is high
Make sure that the air intake
is clear
The scavenge ports in the cylinder liner are
dirty
Clean the scavenge ports
2014
Operating Problems
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