DOCUMENT NUMBER:
L500-912.820 ISSUE JUL 20, 2016
AMENDMENT: 00
DATE: 
CHAPTERPAGE 323
MAINTENANCE MANUAL STEMME S12
Position
Number
Part
1 Propeller blade
2 Needle bearing (articulated joint)
3 Hollow axle
4 Blade suspension fork
5 Thrust plate
6 Propeller hub
7 Grooved ball bearing
8 Axial needle bearing
9 Grooved ball bearing
10 Drive pin
11 Coupling Part
12 Synchronization ring
13 Push rod
14 Rocking lever
15 Dilation eect actuator
16 Heating element
17 Slip ring (+)
18 Slip ring (-)
19 Fly-weight
20 Compression spring
21 Rubber stop
22 Cam lever
23 Torsion Spring
24 Stop
25 Adjustment screw
26 Yield bolt
27 Base
28 Nut
29 Ball washer
NOTICE
In order to prevent incorrect assembly, all parts relevant for the variable pitch of one propeller
blade are marked with a red dot. All other parts remain unmarked.