DOCUMENT NUMBER:
L500-912.820 ISSUE JUL 20, 2016
AMENDMENT: 00
DATE:
CHAPTERPAGE 737
MAINTENANCE MANUAL STEMME S12
7.4.10.10 DYNAMIC BALANCING
After repairing or replacing parts or carrying out maintenance on the propeller, which put the
dynamic balancing at risk (e.g. replacing or repairing the propeller blades, replacing the propeller
forks, replacing the blade coupling parts), the propeller must be dynamically balanced, as laid
down in Manufacturer’s Instruction A17-10AP-V/2-E (see Annex A).
The dynamic balancing must be recorded in Annex C of the S12 Maintenance Manual.
7.4.11 DRIVE SHAFT SYSTEM
System description: See section 3.4.11
CHECK OF FREEWHEEL CLUTCH
Rotate propeller
•
Check smooth rotation in normal running direction and heavy friction in opposite direction.
• Check tight t of screw connections of freewheel clutch on engine ange.
CAUTION
Prior to function check, remove locking screw in freewheel clutch if installed for assembly or
disassembly of drive shaft unit.
CHECK OF DRIVE SHAFT
For inspection of the drive shaft remove propeller gear and drive shaft assy.
• Check condition of composite shaft (e. g. chang, cracks) and steel ends (e. g. corrosion,
wear, abrasion of surface treatment).
• Check connection between composite shaft and steel ends.
CHECK OF CARDANIC RUBBER DISC JOINTS
•
Check condition (cracks and embrittlement of rubber) and tight screw connections of
cardanic rubber disc joints on freewheel clutch and on forward drive shaft. To inspect
rubber discs for cracks and embrittlement, apply a torsional load on the discs and observe
rubber surface.
To Next Page
Loading...
Need help?
General
