WinGD X92DF - Design and Function of Components

5 Design and function of components
5.1 Group 1 - Engine frame and bearings
5.1.1 Bedplate........................................................... 148
5.1.2 Main bearing........................................................150
5.1.3 Thrust bearing...................................................... 152
5.1.4 Monoblock column...................................................154
5.1.5 Tie rod.............................................................156
5.2 Group 2 - Cylinder
5.2.1 Cylinder liner........................................................158
5.2.2 Lubricating quill..................................................... 160
5.2.3 Gas admission valve.................................................162
5.2.4 Piston rod gland.....................................................164
5.2.5 Conventional injection valve.......................................... 166
5.2.6 Starting valve.......................................................168
5.2.7 Relief valve.........................................................170
5.2.8 Exhaust valve.......................................................172
5.2.9 Pilot injection valve.................................................. 174
5.3 Group 3 - Crankshaft, connecting rod and piston
5.3.1 Crankshaft..........................................................176
5.3.2 Torsional vibration damper............................................178
5.3.3 Axial vibration damper............................................... 182
5.3.4 Turning gear........................................................184
5.3.5 Connecting rod and connecting rod bearing.............................186
5.3.6 Crosshead and guide shoe........................................... 188
5.3.7 Piston..............................................................190
5.4 Group 4 - Supply unit drive and control components
5.4.1 Supply unit drive.................................................... 192
5.4.2 Starting air shut-off valve.............................................194
5.4.3 Control air supply....................................................196
5.4.4 Local maneuvering stand - Option A................................... 198
5.4.5 Local maneuvering stand - Option B................................... 200
5.4.6 Local maneuvering stand - Option C................................... 202
5.4.7 Pick-up for speed measurement.......................................204
5.5 Group 5 - Supply unit, pumps and control valves
5.5.1 Servo oil pump......................................................206
5.5.2 Supply unit......................................................... 208
5.5.3 Supply unit pilot fuel................................................. 210
5.5.4 Fuel pump..........................................................212
5.5.5 Injection control unit................................................. 214
5.5.6 Pressure control valve............................................... 216
5.5.7 Flow limiting valve...................................................218
X92DF
Operation Manual
Winterthur Gas & Diesel Ltd.
- 145 - Issue 002 2020-08