bpr Rotax 912 i Series, Руководство по обслуживанию, Страница: 99 / 458

Effectivity: 912 i Series
Edition 1/Rev. 0
d
059
29.
fm
MAINTENANCE MANUAL
BRP-Powertrain
61-20-00
Page 5
July 01/2012
SYSTEM DESCRIPTION
For operation with a hydraulic constant-speed
propeller on version 3 of the 912 i Series engine,
a hydraulic governor can be attached to control
the propeller. Version 2 can be retrofitted for this
purpose,
i.e. the drive for the governor in the propeller
gearbox and crankcase, its connection cable
and the oil feed line to the propeller shaft should
be retrofitted.
- For version 912 i -2, the hollow propeller shaft
should also be replaced.
SAFETY INFORMATION
MAINTENANCE
As well as the maintenance and special checks,
see the relevant Maintenance Manual Line for
the respective 912 i Series engine type.
REMOVAL
GOVERNOR - REMOVAL
Preparation
- General visual inspection. See relevant Main-
tenance Manual Line for the 912 i Series
engine type.
- Carry out engine test run to check proper
functioning of the governor. See section 71-
00-00.
!
Fig. 1
Gear ratio (i) 912 i
Crankshaft: Propeller shaft 51: 21 2.429
Propeller shaft: Governor 22: 29 0.759
Total 1.842
m
WARNUNG
m
WARNING
Follow the general safety instructions during all
work on the engine and the assemblies around
it.
m
WARNUNG
NOTICE
Follow the governor manufacturer's instructions
for maintenance, inspection and repair.
m
WARNUNG
NOTICE
If these checks are omitted, it may be necessary
to dismantle the governor again to rectify any
faults after it has been repaired.
Step Procedure
1 Loosen the Allen screws on the governor
and remove the governor along with the
gasket.
NOTE: Various screws and nuts are re-
quired, depending on the manu-
facturer of the governor. See the
current edition of SB-912-052 "In-
stallation/use of governors".
1. Gasket 2. Governor
3. A8 lock washer 4. M8 hex. nut