c) Remove the impeller and the conical sleeve.
Install the impeller: wet installation
1. Mount the impeller:
a) Make sure that the end of the shaft is free from burrs.
Polish off any flaws with a fine emery cloth.
b) Grease the shaft end.
NOTICE:
Surplus grease can cause the impeller to become loose. Remove surplus grease
from conical and/or cylindrical surfaces of shafts and/or sleeves.
Maintenance
Flygt 3153 Installation, Operation, and Maintenance Manual 47