bpr Rotax 912 i Series, Maintenance Manual, Page: 103 / 458

Effectivity: 912 i Series
Edition 1/Rev. 0
d
059
29.
fm
MAINTENANCE MANUAL
BRP-Powertrain
61-20-00
Page 9
July 01/2012
INSPECTION
GOVERNOR DRIVE CHECK
Preparation
- General visual inspection. See relevant Main-
tenance Manual Line for the 912 i Series
engine type.
- Clean all parts carefully.
NOTE:
If repair work is necessary on the go-
vernor, it should be sent to the manu-
facturer.
Fig. 7
Fig. 8
Fig. 9
m
WARNUNG
NOTICE
The M8 fastening screw for the vacuum pump
gear is
16 mm long and has a flat screw head
for the governor drive, but only 14 mm long and
with a normal screw head for the vacuum pump
drive!
Step Procedure
1 Measure the inner diameter of the propel-
ler shaft. See wear limits.
2 Measure the journal of the oil inlet flange.
See wear limits.
NOTE: Wear usually appears as a flat-
tened area on the journal.
1. Propeller shaft inner diameter
2. Oil inlet flange
Step Procedure
3 Check the gear-tooth system of the drive
gear and vacuum pump gear.
1. Drive gear 2. Vacuum pump gear
Step Procedure
4 Check that all the oil bores in the governor
flange are clear.
1. Governor flange