1. Remove the volute and the old gasket(s) and O-Ring(s).
Discard the gaskets and O-rings.
Note:
A hexnut placed between the
jackscrew and shaft end will
prevent damage to the shaft
and impeller screw threads.
2. Remove the impeller: Pull keyed impellers off the shaft
with a standard gear puller against the end of the shaft and
pulling on the impeller.
BE839
Maintenance
Impeller Replacement
Clockwise Rotation
Volute shown.
5787 0208
• Check the clearance between the impeller hub and
the volute wear ring. If it is more than .020" on a side,
replace the wear ring.
Gear Puller
Fingers behind
Impeller Vanes
Key
Gear Puller
Jackscrew
5788 0208
NOTE: Place the puller's fingers against the vanes in the
impeller. Pulling on the impeller's unsupported back shroud
could easily break the impeller.
Page 21