Fly Wheel Hub - Rotax 912 Series Maintenance Manual

3.20) Fly wheel hub'

See Fig. 74-32.
Carry out visual inspection of magneto inner side (16) and the taper surface (17).
Under normal circumstances, dismantling of fly wheel hub is not necessary.
If it has been dismantled, clean the contact faces (18) Apply LOCTITE 221 to
all 10 allen screws (19) (alternating 5 screws M6x30 and 5 screws M6x25) and
screw together.
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NOTE:
Check woodruff key in crankshaft for tight fit.Degrease tapers of crankshaft and
fly wheel hub and apply LOCTITE 221 sparingly.
Fit on fly wheel hub asay., screw in hex. screw M16x1.5 (10) with washer 17/
36/5 and lock washer 16 and immediately tighten to 45 Nm (33.2 ft.lb) +180°
angle to rotation.
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CAUTION : The woodruff key must remain in the groove.
Adjust the air gap of the external triggers with feeler gauge to dimension (1H02).
Check external trigger coils for correct axial position with reference to the trigger
cam of the fly wheel hub. Offset must not exceed dimension (IH03), see
74-00-00 sec. 3.18.
See 74-00-00 sec. 4.
Effectivity 912/914 Series
Edition 1 / Rev. 0
BRP-Rotax
Maintenance Manual
The hole pattern in the magneto ring is symmetrical and
therefore it can be assembled in any position.
74-00-00
page 49
May 01/2007