2) Removal Of Roller Bearing For F3 Only; 3) Removal Of Roller Bearing For F4 Only - Rotax 914 F Maintenance Manual

14.4.2) Removal of roller bearing for F3 only

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00249
3
Pic. 216

14.4.3) Removal of roller bearing for F4 only

00250
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4
3
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Pic. 217
Date
Page
1997 02 01
236
See Pic. 216.
After the propeller gearbox is removed, the crankcase side propeller shaft
bearing and oil inlet flange can be renewed, if necessary.
Before disassembly, the governor flange must be removed. At configuration
912 F3 with hydraulic governor the pull out procedure is different from type F2
and F4. The roller bearing is pulled out together with the oil inlet flange.
Remove circlip Q with circlip pliers, position puller cap W 876 489 and push
hex. screw E through cap, roller bearing R and oil inlet flange T. On the
1
4
5
8
See Pic. 217.
After the propeller gearbox is removed, the crankcase side propeller shaft
bearing can be renewed, if necessary.
For the extracting procedure it is necessary to drill a bore of at least 6,2 mm
dia., (1/4") W into the middle of the oil inlet cover Q.
ATTENTION: Remove metal chips carefully after drilling.
The roller bearing is pulled out together with the oil inlet cover. Remove
circlip E with circlip pliers. Fit puller cap R 876 489 on gearbox side
and push hex. screw T through cap, roller bearing Y and the
perforated oil inlet cover Q. On the opposite side fit puller
plate U and nut O together with shim I. By turning hex.
2
1
10
7
Main
914 F
opposite side fit shim Y and nut U.
Turning hex. screw clockwise, the
roller bearing is pulled out together
with oil inlet flange. Remove O-ring
I and both O-rings O.
9
6
7
screw clockwise, the roller bearing is pulled out
together with the oil inlet cover. Remove O-ring
P.
8
9
Reference
Modification no.
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