8 Group 3 - Crankshaft, connecting rod
and piston
8.1 Crankshaft
8.1.1 Crankshaft - do a check of the crank deflection..........................350
8.1.2 Crankshaft - install the work platform...................................356
8.1.3 Crankshaft - remove the work platform................................. 358
8.2 Torsional vibration damper
8.2.1 Torsional vibration damper - examine.................................. 360
8.3 Axial vibration damper
8.3.1 Axial vibration damper - disassemble...................................362
8.3.2 Axial vibration damper - assemble.....................................366
8.4 Turning gear
8.4.1 Turning gear - do a check of the screwed connections....................372
8.4.2 Turning gear - lubricate the teeth...................................... 374
8.5 Connecting rod
8.5.1 Connecting rod - prepare before removal...............................378
8.5.2 Connecting rod - remove............................................. 382
8.5.3 Connecting rod - remove the top end bearing cover......................392
8.5.4 Connecting rod - remove the top end bearing........................... 398
8.5.5 Connecting rod - remove the bottom end bearing........................400
8.5.6 Connecting rod - examine the bearing shells............................408
8.5.7 Connecting rod - install the bottom end bearing..........................410
8.5.8 Connecting rod - install the top end bearing.............................420
8.5.9 Connecting rod - install the top end bearing cover........................426
8.5.10 Connecting rod - install...............................................432
8.6 Crosshead
8.6.1 Crosshead - remove.................................................444
8.6.2 Crosshead - do a check of the clearances.............................. 458
8.6.3 Crosshead - install...................................................462
8.7 Piston
8.7.1 Piston (installed) - do checks of the surface and clearances...............472
8.7.2 Piston - prepare before removal.......................................476
8.7.3 Piston - remove..................................................... 482
8.7.4 Piston - disassemble.................................................486
8.7.5 Piston (removed) - do checks of the surface and clearances.............. 490
8.7.6 Piston - assemble................................................... 494
8.7.7 Piston - install.......................................................498
8.8 Piston ring
8.8.1 Piston ring - remove................................................. 504
8.8.2 Piston ring - install...................................................506
X72DF
Maintenance Manual
Winterthur Gas & Diesel Ltd.
- 349 - Issue 002 2020-10
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