17 ENGINE 125
17.4.3 Work on the clutch cover
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– Remove the shaft seal ring 1 of the crankshaft.
– Press in a new shaft seal ring with the open side facing inward until it stops.
Info
Support the clutch cover sufficiently when pressing in.
– Blow compressed air through the oil channel and check that it is clear.
17.4.4 Removing crankshaft bearing inner ring
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– Fix the crankshaft with special tools 1 and 2 in the vise.
Upper part, pressing-out tool (75029047050) ( p. 220)
Under part, pressing-out tool (75029047051) ( p. 220)
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– Heat the special tool 3.
Guideline
150 °C (302 °F)
Tool for inner bearing race (58429037043) ( p. 215)
– Push the heated special tool 3 on to the inner bearing race, press them hard
together, and pull them together off the crankshaft.
– Take off the compensation shim.
– Repeat the operation on the opposite side.
17.4.5 Removing balancer shaft drive wheel
Preparatory work
– Remove the crankshaft bearing inner ring. ( p. 125)
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Main work
– Screw in 2 M6 screws 1 in the threads. Tighten the two screws evenly to pull the
drive wheel 2 off the crankshaft.
17.4.6 Changing the connecting rod, conrod bearing, and crank pin
Preparatory work
– Remove the crankshaft bearing inner ring. ( p. 125)
– Remove the drive wheel of the balancer shaft. ( p. 125)