Reduction Gear For Electric Starter - Rotax 912-UL Repair Manual

Attach aligning tuol877 260 to intake flange of cylinder heads by 4 screws M6x.
Align cylinder heads, thus warranting a plane support for intake manifold. Now tighten
cylinder heads crosswise to 22 Nm and remove aligning tool.
Lubricate all moving parts in rocker arm compartment. Place both O-rings on valve cover, put
cover in position and tighten Allen screw M6x30 to 10 Nm.
TNOTE: Don't ever change length of valve cover screw.
Turn over engine on trestle and fit the two other heads to cylinders.
7.4) Installation of overrunning clutch
Place ovemrnning clutch into clutch hous-
ingwith brake clip Ovisible. Atfittingof
brake clip compress slightly, using cir-
clip pliers and ensure that clip remains in
position and engages fully on the catches
of the clutch ring @. Fit circlip 68.
Lock crankshaft using fixing sqew 241
965. Degyease taper and thread of crankshaft,
and taper of clutch housing. Coat taper of clutch
housing thinly with LOCTITE 221 and fit on
crankshaft.
Tum ovemrnning gear to facilitate aligning of the sprags 0.
Overrunning gear must engage on crankshaft when turning anti-
clockwise, looking towards magneto end.
Secure degreased hex. nut M34x I ,5 with LOCTITE 221 and
tighten to 120 Nm (1060 in.lb). Check if axial clearance of
ovemrnning gear is still within 0,2 + 0,5 mm (0,008 +
0,02").
7.5) Reduction gear for electric starter
Place tluust washer @ 125215fl into crankcase. Positi-
on reduction ger O,lubricate shaft O
and push inoposition.
Add ttnrst washer O 12 5 Dl 5l l.
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Rm:.91'2-UL