Figure 48. Raw water line
3. Open the tunnel locking nuts (8 pcs, figure 47, point C).
4. Pull the tunnel off the frame.
You can assist the detachment by inserting a blunt wedge in the holes
included for this purpose (figure 49).
Figure 49. Removing the impeller tunnel from the frame
Installing the impeller tunnel
1. Ensure that the o-ring between the impeller tunnel and frame is in place.
Apply waterproof petroleum jelly onto the connecting surface (such as
Shell Gadus S2 V220AC or similar) (figure 50, point A).
2. Ensure that the set screws (8 pcs) are in their correct places in the frame.
If they have come loose, they must be reinstalled with thread locking
compound (such as Loctite 242) (figure 50, point B).
36
Impeller
Repair manual
KM/285/EN/1.1.0
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