Roller Bearing Removal For Configuration 1 And 2 Only - Rotax 912 Series Maintenance Manual

14.4.1)
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00248
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Effectivity: 912 Series
AIRCRAFT ENGINES
MAINTENANCE MANUAL II

Roller bearing removal for configuration 1 and 2 only

See fig. 131.
After the propeller gearbox is removed, the crankcase side propeller shaft
bearing and oil seal can be renewed if necessary. The roller bearing,
sealing rings etc. can be easily removed after the crankcase has been
disassembled.
Remove circlip Q with circlip pliers. Screw extractor ass'y W, part no. 877
615, with 8 Allen screws M6x25 to the crankcase. Screw stud E
M10x45x20, part no. 941 180, into the pull-in spindle R, part no. 877 580,
and screw hex. nut T M24x1,5 onto the spindle.
For better guiding push the press-out tool Y, part no. 877 592, into the roller
bearing U. Screw the Pull in spindle R into extractor W and fit the Pull in
spindle in crankcase.
Push the pull-out plate I, part no. 877 560, onto the stud at the backside
of the crankcase and fix with hex. nut M10 O, part no. 242 091.
Keep pull-in spindle with handle in position and turn hex. nut clockwise until
the roller bearing U with oil seal P is pressed off the case. Unscrew hex.
nut, remove pull-out plate with roller bearing and oil seal and withdraw
spindle. Remove extractor ass'y from crankcase.
At this procedure the oil seal P is damaged and must be
CAUTION:
renewed.
4
12
6
3
1 7
10
8
Initial issue, Jan. 01/2002
9
fig. 131
page 88