Rotax 912 i Series Maintenance Manual page 148

INSPECTION
PROPELLER GEARBOX
SINGLE PARTS CHECK
Preparation
- Clean all parts carefully.
GEAR COVER ASSY. CHECK
Step
1 Inspect the gear cover for cracks using a
dye penetrant method or magnetic parti-
cle method.
NOTE: Only carry out in the case of
ground contact!
2 Inspect gear cover for damage.
- Depressions and scratches outside
flat and sealing surfaces up to a
maximum of 0.5 mm in depth and 2
mm in diameter are permissible.
- Traces of corrosion and pitting outside
sealing surfaces up to a maximum of
0.3 mm in depth and 2 mm in diame-
ter are permissible.
3 Inspect contact surfaces for Allen screws.
- Indentations up to a maximum of 0.2
mm are permissible.
- Bumps up to a maximum of 0.2 mm
are permissible.
Fig. 10
1. Flat sealing surfaces
Effectivity: 912 i Series
Edition 1/Rev. 0
BRP-Powertrain
MAINTENANCE MANUAL
Procedure
2. Contact surfaces
Step
4 Inspect that the bearing bushing for sup-
porting the crankshaft in the gear cover is
secure and measure dimension (GB01).
See also section 72-10-00 Wear limits.
Fig. 11
1. Bearing bushing
PROPELLER SHAFT - INSPECTION
NOTICE
WARNUNG
The entire propeller shaft including fastening
bores must be free from corrosion; there must
be no fretting corrosion at the bearing points
either.
Step
1 Measure both bearing points. See also
section 72-10-00 Wear limits.
2 Roll the propeller shaft and check for run-
out. Check the axial runout of the propel-
ler flange. See section
72-10-00 Wear limits.
3 Check the oil seal running surface.
Procedure
Procedure
72-10-00
Page 10
July 01/2012