Operation
0500
−
1/A1
Winterthur Gas & Diesel Ltd.
General Data
1.
General
The data below give the procedures for engine operation when:
D
The parts cannot be immediately repaired
D
The engine must continue to operate, or
D
When engine operation must continue as soon as possible.
2.
Decreased Power Output
In an emergency, when the engine must operate (with one or more cylinders out of
operation, turbochargers out of operation or decreased coolant flow etc) the power
must be decreased to prevent damage to the engine.
The load indication must always be less than the full load position (fuel injection
quantity). The gas temperature at the turbocharger inlet must always be less than the
maximum temperature (see
Operating Data Sheet). If necessary decrease
the engine speed and power.
Because of torsional vibration, it is possible that the engine has more than one barred
speed range. Also, it is possible that the engine has a barred speed range if the axial
damper becomes defective. You can find data about the barred speed range near the
telegraph on the bridge, and/or near the local control panel.
The exhaust smoke must be monitored because the engine must not operate with
dark exhaust smoke. The speed and power must be decreased until the exhaust
smoke is satisfactory.
3.
Cylinders Out of Operation
When one or more cylinders are out of operation the turbocharger can surge. This
makes a loud sound. Large differences in the scavenge air pressure will show on the
pressure gage.
If the turbocharger surges for short periods or continuously, you must decrease the
speed sufficiently.
Note: When cylinders are out of operation, it is possible (when an engine has
only e.g. five cylinders) that the engine will stop in a position from which
it cannot start. This is because none of the serviceable pistons are in the
correct position to start the engine again.
Start the engine momentarily in the opposite direction to get the crankshaft to a
different position. It is possible that the engine will not reverse correctly and you must
do related precautions together with the bridge.
Operation during Unusual Conditions
2014
Summary of Contents for W-X82
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Page 337: ...Operation 4003 3 A1 Winterthur Gas Diesel Ltd 3 21 WCH00345 2014 Air Supply...
Page 340: ...Operation 4003 3 A1 Winterthur Gas Diesel Ltd 6 21 WCH01167 2014 Servo Oil Supply 9 cylinders...
Page 342: ...Operation 4003 3 A1 Winterthur Gas Diesel Ltd 8 21 WCH01123 2014 Fuel Supply 9 cylinders...
Page 343: ...Operation 4003 3 A1 Winterthur Gas Diesel Ltd 9 21 016 805 08 2014 Starting System...
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Page 354: ...Operation 4003 3 A1 Winterthur Gas Diesel Ltd 20 21 018 138 09 2014 Cooling Water...
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