17
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t-line
Extract Units
Fan Assembly
Important
When re-assembling the fan and motor ensure the bush is secured ghtly to the motor
sha with the impeller correctly aligned. Ensure the impeller rotates freely leaving a
level gap of ‘
B
’ (as shown below) between the impeller and the top plate.
B
Maintenance
8
Con nued
Cau on
If dismantlement is required due to a blockage ensure motor and impeller are reassembled
and installed correctly as in the following diagram.
For isolator bracket removal refer to page 6.
Bush
Impellor
Top
Plate
Lug
Gasket
Motor
Motor plate
Li ing Haz ard: Single person li c ould cause injury. Use assistance when mo ving or li ing
Cau on
Fig.
20
Fig.
21
Impeller Ø (mm)
250
350
400
450
500
560
630
710
800
Distance B (mm)
20
20
25
25
20
32
32
28
32
Bush Type
1210 1210 1210 2012 2012 2012 2517 2517 2517
Tightening Torque (Nm)
20
20
20
30
30
30
50
50
50
Fig.
22
