5-4
Repair manual KTM 690 LC4 Art.-No. 3.206.045-E
Clutch cover
– Pry the shaft seal ring out of the crankshaft 1, press a new shaft
seal ring all the way in with the open side on the inside.
NOTE: support the clutch cover when pressing in the shaft seal ring.
– Blow compressed air through the oil duct and make sure it is not
clogged.
Crankshaft bearing
– Clamp the crankshaft in a vise, using protective jaws.
– Heat special tool 584.29.037.043 on a hotplate to approx. 150° C
and immediately slide it onto the inner ring. Squeeze the special
tool together tightly to obtain a good heat transfer and pull the inner
ring off the crankshaft.
– To mount the new inner ring, reheat the special tool to approx.
150°C, clamp the inner ring and immediately slide it onto the
crankshaft journal.
– Make sure the new inner ring sits flush.
– Measure the axial clearance of the crankshaft after the inner rings
are replaced.
!
CAUTION
!
N
EVER LOCK THE CRANKSHAFT IN A VISE TOGETHER WITH THE CRANKPIN TO TRY
TO EXTRACT THE INNER BEARING RING
. THIS WILL ONLY COMPRESS THE
CRANKSHAFT WEBS AND MAKE THE CRANKSHAFT UNUSABLE
.
Drive wheel on the balancer shaft
NOTE: remove the inner ring from the roller bearing before you remove
the balancer shaft drive wheel from the crankshaft.
– Insert the 2 M6 screws
2 in the threaded holes.
– Tighten the two screws evenly and pull the drive wheel from the
crankshaft.
– To mount the drive wheel, heat it to approx. 100° C.
– Mount the drive wheel on the crankshaft; the dowel on the
crankshaft must slide into the hole
3.
NOTE: the side of the drive wheel with the punch mark
5 must face
you after mounting, the side with the chamfer
4 faces the crankshaft
web.
– After mounting, check the position of the dowel and the punch
mark: the dowel should slide into the hole
3, the mark 5 should be
visible.
!
CAUTION
!
M
AKE SURE THE DOWEL DOES NOT PROTRUDE ON THE OTHER SIDE OF THE
CRANKSHAFT WEB
.
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