Operation
0050
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1/A1
Winterthur Gas & Diesel Ltd.
Short Description of the Engine
1.
General
General data about the engine are given as follows:
D
The W
−
X engine is a single acting, two-stroke diesel engine of crosshead design
with exhaust gas turbocharging and uniflow scavenging.
D
The engine is reversible and is directly connected to the propeller.
D
The W
−
X concept is based on the Common Rail System, with full electronic
control of the fuel injection system and the exhaust valve operation.
D
The engine control can have different remote controls, which are related to our
specifications, from recommended manufacturers.
D
If the remote control has a failure, the engine can be controlled with the
emergency control from the local control panel.
D
Tie rods hold the bedplate, columns and cylinder block together.
D
A partition isolates the crankcase from the cylinder block. This partition includes
the piston rod glands for the piston rods.
D
The thrust bearing and turning gear are installed on the driving end of the engine.
D
The engine control system WECS-9520 controls the exhaust valve operation,
electronic fuel injection and cylinder lubricating system.
D
The lubrication oil, coolant water, fuel supply, booster pumps and air
compressors are parts of the engine room installation (ancillary systems).
2.
Systems
General data about the systems are given as follows:
D
The servo oil system opens the exhaust valves hydraulically. The exhaust valves
are closed pneumatically.
D
Servo oil pumps in the supply unit, supply bearing oil at the necessary pressure
through two high pressure (HP) oil pipes to the servo oil rail.
D
Bearing oil cools the pistons.
D
The fuel pumps in the supply unit, supply high pressure fuel through the HP fuel
pipes to the fuel rail. The fuel rail supplies high pressure fuel to all the injection
valves.
D
The servo oil system operates the injection control units.
D
Fresh water cools the cylinder liners and cylinder covers.
D
The central fresh water cooling system (closed circuit), or the conventional
sea-water cooling system (direct) with single-stage coolers are used to cool the
scavenge air.
D
The WECS-9520 controls the engine start sequence. Compressed air flows
through the starting valve into the cylinders to start the engine.
2017
−
08
General
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...
Page 344: ...Operation 4003 3 A1 Winterthur Gas Diesel Ltd 10 21 016 335 07 2014 Speed Control...
Page 354: ...Operation 4003 3 A1 Winterthur Gas Diesel Ltd 20 21 018 138 09 2014 Cooling Water...
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