Repair work at the inner and outer chamber
3.
Hold on to the fan wheel (L) at the driving sheet (I) with a 24 mm /
0.94 in
fork wrench.
With a 10 mm /
0.39 in
wrench loosen the nut (M) by turning it anti-clockwise and remove it.
F
G
K
L
I
M
G
Figure 21: Removing the fan wheel
F
G
K
Fan drive shaft gasket
Seal ring for fan drive shaft
Disk
L
I
M
Fan wheel
Driving sheet
Nut M6
4.
Remove the driving sheet (I) and then the fan wheel (L) from the fan drive shaft.
5.
Remove the screws (H) at the seal ring for fan drive shaft (G) and remove the disk (K).
6.
Pull the fan drive shaft gasket (F) from the fan drive shaft.
7.
Remove the rear housing panel (chap. 5.3).
Figure 22: Rear view
60
Service Manual KBF (E5.2) 04-2015