12
1
Motor
2
Motor shaft
3
Sleeve (Not used with every fan)
4
Shaft extension (Not used with every fan)
5
Hexagon socket screw
6
Impeller
7
Steel hub
8
Aluminium hub
The hub is not used for the fan. Hub is shown
without impeller for clarity
Table of tightening torques for various bushing types
Socket type
1008
1108
1210
1215
1310
1610
1615
2012
2517
3020
Tightening torques
(Nm)
5.7
5,7
20
20
20
20
20
31
49
92
