30/ENGINE - WORK ON INDIVIDUAL PARTS 113
Info
When pressing the bearing in, ensure that the engine case section is level to
prevent damage.
Only press the bearings in via the outer ring; otherwise, the bearings will be
damaged when they are pressed in.
– After the engine case section has cooled, check that the bearings are firmly seated.
Info
If the bearings are not firmly seated after cooling, it is likely that they will
rotate in the engine case when warm. In this case, the engine case must be
renewed.
– Press in the shaft seal ring of the countershaft  and the shift shaft  with the
open side facing inwards so that it is flush.
– Mount and tighten the oil jet .
Guideline
Oil jet, piston cooling M6x0.75 4 Nm
(3 lbf ft)
Loctite
®
243â„¢
– Mount the dowels.
– Blow compressed air through all oil holes and check that they are clear.
200155-10
– Measure the spring length of the oil pressure regulator valve.
Oil pressure regulator valve - minimum
spring length
27.5 mm (1.083 in)
» If the measured value does not equal the specified value:
– Change the spring.
– Check the piston valve for damage and wear.
» If there is damage or wear:
– Replace the piston valve.
300093-10
– Lubricate the piston valve  and mount it with the pressure spring . Mount and
tighten plug  with the new seal ring.
Guideline
Oil pressure regulator valve plug M12x1.5 20 Nm
(14.8 lbf ft)
– Position the membrane support plate  with the membrane . Mount and tighten
the screws.
Guideline
Screw, membrane fixation M3 2.5 Nm
(1.84 lbf ft)
Loctite
®
243â„¢
Info
The membrane support plate is curved and must point away from the mem-
brane.
An incorrectly installed membrane support plate results in loss of perfor-
mance and increased oil consumption or leaks.
Do not apply thread locking material between the membrane and the mem-
brane support plate since this would badly affect the functioning.
19.3Work on the clutch cover
300097-10
– Remove the shaft seal ring  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.
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