4) Reduction Gear For Electric Starter; 5) Ignition Housing Fitting - Rotax 912 Series Maintenance Manual

14.2.4)
14.2.5)
Effectivity: 912 Series
AIRCRAFT ENGINES
MAINTENANCE MANUAL II
Lock crankshaft using fixing screw 241 965. Degrease taper and threads
of crankshaft and taper of clutch housing. Coat taper of clutch housing
221 and fit on crankshaft. Turn freewheel gear q to
®
thinly with LOCTITE
facilitate aligning of the sprags Y.
The freewheel gear } must engage on crankshaft e
NOTE:
when turning counter-clockwise (left), looking towards
magneto side of engine, and turn freely turning clock-
wise (right)!
Secure degreased hex. nut M34x1,5 with LOCTITE
120 Nm (1060 in.lb).
NOTE: The hex. nut has left hand threads!
Check axial clearance P of free-wheel. See fig. 118 and
CAUTION:
para 15.
Reduction gear for electric starter
See fig. 123.
Inspect the toothing of the idle gear Q. Deformed teeth W generate a noise
at engine start. Renew as required.
NOTE: Commencing with model 95 the gear ratio has been
changed from 44x14 to 50x11.
Place thrust washer E 12,5x21,5x1 onto crankcase. Place intermediate
gear Q lubricate intermediate gear shaft R. Fit thrust washer T 12,5x21,5x1
on top of it.
2
fig. 123
Ignition housing fitting
See para 13.3.9.
4
5
1
3
00240
® 221 and tighten to
page 85
Initial issue, Jan. 01/2002