Bell & Gossett MK MV (8203, 8203X) - Manual (Page 43)

WS001477A
5. Remove the impeller:
a) Place the drive unit horizontally.
b) Remove the impeller screw.
c) Remove the impeller and the conical sleeve.
Install the impeller: standard version
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.
c) Grease the conical sleeve, the threads of the adjustment screw, the washer, and the
impeller screw.
Always use a new impeller screw.
WS002058A
d) Adjust the adjustment screw so that it is flush with the sleeve.
Maintenance
MK, MV (8203, 8203X) Installation, Operation, and Maintenance Manual 41