14
SX218 (03/09/20)
MAINTENANCE
• Remove capscrews holding bracket to motor.
• Install gear puller with puller fingers behind vanes in the impeller.
Remove impeller.
• Remove mechanical seal retaining ring if used. Reposition puller
fingers to engage the bracket. Remove bracket with seal.
• If a seal retaining ring is part of the assembly, it will need to be
replaced.
• Push stationary seal out of seal cavity from the back of bracket.
• Clean seal cavity in bracket thoroughly.
• Inspect shaft sleeve for damage. Replace if necessary.
MECHANICAL SHAFT SEAL
Removal
Procedure and parts will vary slightly depending on pump style.
• Unfasten hardware holding volute to bracket.
• Remove volute to expose impeller.
• Peel off old gasket or O-Ring and discard.
• Hold impeller stationary and remove impeller screw and
associated hardware.
4
21
Stationary
Seat
Gear Puller
Finger
NOTICE A hexnut placed
between the jackscrew
and shaft end will minimize
damage to the shaft and
impeller screw threads.
Gear Puller
Finger
Gear Puller
Jackscrew
Key
Shaft
Sleeve
Spring
Stationary
Seat
Spring
Retainer
Rotating
Seat
3
5
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