Rotax 915 i A series Maintenance Manual page 467

INSPECTION
TURBOCHARGER— CHECK
ATTENTION
Follow the aircraft manufacturer's instructions
for inspection.
Preparation
• Clean all parts carefully.
General visual inspection.
See see Maintenance Manual Line for the
engine type 915 i A Series Chapter 12-20-
00.
NOTE
The turbocharger is handled as a complete unit,
i.e. no spare parts are available from BRP-
ROTAX®. In the event of damage, the complete
unit has to be replaced.
PLANE SURFACES OF THE TURBINE
OPENING — CHECK
Step Procedure
1 Use a straight edge to test for distortion.
A distortion of max. 0.1 mm (0.004 inch)
is permissible. If the maximal allowed dis-
tortion is exceeded then it is possible to
rework the surface up to 0.5 mm (0.02
inch). The amount of the rework has to be
recorded in the appendix.
Effectivity: 915 i A Series
Edition 0/Rev. 0
BRP-Rotax
MAINTENANCE MANUAL HEAVY
Figure 21.13
THREADED HOLE — CHECK
ATTENTION
It is not allowed to repair any of the threads inside
of the turbine housing with thread inserts.
Step Procedure
1 Check the threaded hole for damage and
wear.
ROTOR TURBINE — CHECK
Step Procedure
1 Apply slightly a radial pressure onto the
shaft to minimize the gap between the
compressor casing and the compressor
wheel. The gap must never be less than
0.1 mm (0.004 inch).
Check the complete circumference of
360°.
78–20–00
Page 9
August 01 2018