Pentair BERKELEY Manual Del Usuario página 19

Maintenance • Mechanical Shaft Seal
Removing Old Seal
1
Unfasten hardware holding volute to bracket.
Remove volute to expose impeller.
3
Install a two large screwdrivers or standard gear puller
to shaft end of impeller placing puller fingers in the
area shown. NOTICE: DO NOT pry on one side of
the impeller only! The impeller will bend and/or break.
Pull on opposite sides of the impeller to pull it straight
forward.
5
Push stationary seal out of seal cavity from the back
of bracket.
Clean seal cavity in bracket thoroughly.
Procedure and parts will vary slightly depending on pump style.
6821 0413a
Stationary
Seat
6816 0413
2
Peel off old gasket or O-Ring and discard.
Hold impeller stationary and remove impeller screw
and associated hardware.
4
Mechanical shaft seal will come off with motor bracket. If a seal retaining ring is part of the assembly, it will
need to be replaced.
Stationary
Seat
6813 0413
Mechanical
Seal
6815 0413
Rotating
Seat
Spring
Spring
Retainer
19
1189 0794