Dis-Assembly Of Oil Pump - Rotax 912-UL Repair Manual

Versionwith overload clutch
Up to eccenter collar for fuel pump, there is no difference to version without overload
clutch.
Next in line are distance sleeve O35,2/4216, both
liuge disk-springs I placed against each other
and the smaller disk-spring @ with its back to the
former spring. 4pply LOCTI-
TE-Anti-Seize to toothing of
pre-assembled overload clutch
O and slide into position on
prop shaft. Carefully fit pre-
oiled bearing bush 6, using a
pair of circlip pliers. Slide on
dog gear followed by thrust
washer @ 33,314811 coated on
both sides with LOCTITE
ANTI-SEZE and retaining rin g
o.
With springs in this released
state, the face @ for the ring
halves must be in line with the
upper edge O of the groove in
prop shaft. Compensate the dif-
ference by shims (Dplaced with-
out fail between eccenter collar and dis-
tance sleeve O 35,2142/6.
|
'|-
J
r .
E ,
t NOTE: Oil engines with vacuum
pump, retaining ring is ex-
ecuted as drive gear.
Afterpre-tensioning of springs, refit ring halves
10 and release disk-springs.
I ATTENTION: Neverdepress springs toflat,
otherwise clutch drum of overload clutch would
damage gear cover. Ring halves must be completely inserted in
groove on prop shaft.
6.16) Dis-assembly of oil pump:
Remove oil pump cover and check inside for wear, withdraw revolving piston and rotor,
driving pin and pump shaft.
Rm:'i912-UL