Electric Starter Reassembly; 4) Electric Starter Mounting; Sprag Clutch - Rotax 912 Series Maintenance Manual

14.1.3)
14.1.4)

14.2) Sprag clutch

See fig. 118 and 120.
After removal of magneto hub and ignition housing, see para 13.3.3 and 13.3.4, the
sprag clutch can be removed. Withdraw idle gear shaft Q and idle gear W and both
thrust washers 12,5x21,5x1 E from both sides of the idle gear.
Effectivity: 912 Series
AIRCRAFT ENGINES
MAINTENANCE MANUAL II
Starter housing
Visually check inner magnets o for cracks.
Studs
Visually check both studs p . They are to be removed only as required.

Electric starter reassembly

See fig. 113, 114 and 117.
Define the necessary number of shims Y to achieve
the axial play O of the armature T, see para 15.
Grease oil seal i, the ball bearing P and bearing
bushing q. Insert armature into the
bearing supportT, fit new O-ring
62x1,5 and push starter housing W
over armature.
Install carbon brush holder R with
springs. Fit the necessary number of
shims Y onto armature shaft and the
complete commutator support E with
new O-ring 62x1,5 on starter hous-
ing.
NOTE: Take care for correct position-
ing and engagement of the
guide pins.
Electric starter mounting
See fig. 113.
Grease bearing P slightly.Fit complete electric starter T with new O-rings
U 4,7x1,4 and distance sleeves Y into the ignition housing R.
NOTE: Take care that the electric starter does not come apart
during insertion.
Tighten electric starter with washer E, lock washer A5 W and hex. nut M5
Q and secure it with strap clamp 76 to ignition housing.
Maß O
dim.
6
00234
fig. 117
page 82
Initial issue, Jan. 01/2002
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