Replace the N-impeller
Remove the N-impeller
CAUTION:
A worn impeller and/or pump housing can have very sharp edges. Wear protective gloves.
1. Remove the pump housing.
2. Remove the impeller screw.
Use the impeller puller or the crowbars.
3. Remove the impeller.
4. Remove the washer and the conical sleeve.
Install the N-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) Fit the washer on the lubricated impeller screw.
c) Fit the impeller to the shaft.
d) Hand-tighten the impeller screw enough to prevent it from falling off.
Maintenance (Continued)
Flygt 3102 Service and Repair Instructions
55
