ZUWA Impeller Pumps
21
7. Press Impeller out of housing.
8. Housing with small rim on top, turn
impeller counter-clockwise into
housing. Push Impeller as far up as
possible.
9.4 Replacing components
Impeller
1. Push impeller out of the casing
2. Insert a new impeller. Observe direction
of impeller vanes (see adjacent
illustration): Impeller wings must be
bent to the opposite side of the rotating
direction.
To change the impeller more easily there is a
tool. See chapter 10.4 tool for changing the
impeller.
Lateral discs
>
Turn around or replace
Bush bearing
>
Remove old bearing and press in the new one.
Seals
Replace O-rings and push firmly into the recesses
Replacing shaft gasket:
1. Remove retaining ring with suitable pliers
2. Push out bearing and shaft gasket
3. Push in new shaft gasket and bearing
4. Insert retaining rings
Intake
Outlet
rotation
Out
In
small
rim
