Xylem GK GV (8201, 8201X) - Manual (Page 37)

WARNING:
• If you fail with the impeller installation, you must redo the installation procedure from the
beginning.
• A worn impeller and/or pump housing can have very sharp edges. Wear protective
gloves.
• When laying the pump on its side, do not allow the weight of the pump to rest on any
portion of the impeller. The impeller must not be allowed to make contact with the
concrete floor or other hard and rough surfaces.
Remove the impeller
CAUTION:
A worn impeller and/or pump housing can have very sharp edges. Wear protective gloves.
1. Lay the pump on its side.
2. Remove the suction cover.
3. Remove the impeller screw.
If applicable, use the rod.
4. Remove the impeller.
Use the impeller puller or the crowbars.
5. Remove the conical sleeve.
Install the impeller
1. Make sure that the end of the shaft is clean and free from burrs.
Polish off any flaws with a fine emery cloth.
2. Mount the impeller:
a) Fit the conical sleeve onto the shaft.
b) Press the impeller onto the shaft with the lubricated impeller screw.
c) Tighten the impeller screw.
For tightening torque, see Torque values (page 30).
If applicable, use the rod.
Check that the impeller can rotate freely.
3. Mount the suction cover:
a) Fit the suction cover to the pump housing.
b) Fit and tighten the lubricated screws.
For tightening torque, see Torque values (page 30).
Maintenance
GK, GV (8201, 8201X) Installation, Operation, and Maintenance Manual 35