MANUAL ROOF FANS008

Installation |
13
The hub is shown without impeller due to better lucidity.
Disassembly
1. Aluminium hub 1. Steel hub
2. 3. 4.
1.
2.
1.
2.
Assembly
1. 2. 3. 4.
5. Aluminium hub
=
Use screw locking
The set screw must
push on the wedge
of the shaft.
2.
1.
Use screw locking
5. Steel hub 6. Steel hub
Tighten the screws
slightly
Tighten the two
screws evenly with
the tightening torque
according to table
15.
Table 15 Tightening torques for various types of bush
Type of bush
1008 1108 1210 1215 1310 1610 1615 2012 2517 3020
Tightening
torque [Nm]
5.7 5.7 20 20 20 20 20 31 49 92
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