WinGD X72-B - Page 4

4.14 Steam production control system............................................................................130
5 Design and function of components
5.1 Group 1 - Engine frame and bearings
5.1.1 Bedplate..........................................................................................................138
5.1.2 Main bearing....................................................................................................140
5.1.3 Thrust bearing.................................................................................................142
5.1.4 Monoblock column...........................................................................................144
5.1.5 Tie rod.............................................................................................................146
5.2 Group 2 - Cylinder
5.2.1 Cylinder liner....................................................................................................148
5.2.2 Lubricating quill................................................................................................150
5.2.3 Piston rod gland...............................................................................................152
5.2.4 Direct controlled injection valve.......................................................................154
5.2.5 Starting valve...................................................................................................156
5.2.6 Exhaust valve..................................................................................................158
5.3 Group 3 - Crankshaft, connecting rod and piston
5.3.1 Crankshaft.......................................................................................................160
5.3.2 Torsional vibration damper..............................................................................162
5.3.3 Axial vibration damper.....................................................................................166
5.3.4 Turning gear....................................................................................................168
5.3.5 Connecting rod and connecting rod bearing....................................................170
5.3.6 Crosshead and guide shoe..............................................................................172
5.3.7 Piston...............................................................................................................174
5.4 Group 4 - Supply unit drive and control components
5.4.1 Supply unit drive..............................................................................................176
5.4.2 Starting air shut-off valve.................................................................................178
5.4.3 Control air supply.............................................................................................180
5.4.4 Pick-up for speed measurement......................................................................182
5.5 Group 5 - Supply unit, pumps and control valves
5.5.1 Servo oil pump.................................................................................................184
5.5.2 Supply unit.......................................................................................................186
5.5.3 Fuel pump........................................................................................................188
5.5.4 Pressure control valve.....................................................................................190
5.5.5 Flow limiting valve...........................................................................................192
5.5.6 Exhaust valve control unit................................................................................194
5.5.7 Fuel pump actuator..........................................................................................196
5.6 Group 6 - Scavenge air components
5.6.1 Scavenge air receiver......................................................................................198
5.6.2 Turbocharger...................................................................................................200
5.6.3 Auxiliary blower...............................................................................................202
5.6.4 Auxiliary blower switch box..............................................................................204
5.6.5 Scavenge air cooler.........................................................................................206
X72-B
Operation Manual
Winterthur Gas & Diesel Ltd.
- 4 - Issue 003 2021-12