Pentair STA-RITE 15ES2CS55J3S2 - Page 15

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SX218 (03/09/20)
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MAINTENANCE
MECHANICAL SHAFT SEAL
Installation
Procedure and parts will vary slightly depending on pump style.
• Place bracket on a smooth, flat surface, pump sideup.
• Apply a small amount of seal manufacturer recommended
assembly lubricant to O-Ring on stationary seal and press into
seal cavity. Cover ceramic face with cardboard washer and
press straight in using a piece of pipe or tubing.
• Reinstall bracket on motor using extreme care not to scratch or
chip ceramic face of seal with shaft.
• Apply a small amount of seal manufacturer recommended
assembly lubricant to inside diameter of rubber ring in rotating
seat and outside of shaft sleeve. Slide rotating seat onto shaft,
polished face first, until it is tight against ceramicface.
• Compress seal spring and install retaining ring in shaft sleeve
groove (if used).
• Place impeller key in motor shaft keyway. Slide impeller onto
shaft until seated against shaft sleeve.
• Clean threads at end of motor shaft thoroughly.
• Apply non-permanent thread adhesive to impeller capscrew and
shaft threads.
• Install impeller washer, shakeproof lockwasher, andcapscrew.
• Install gasket and volute on bracket. Use a new gasket or O-Ring
when reassembling to prevent leakage (a coat of grease on gasket
will aid in future disassembly and maintenance).
• Apply anti-seizing compound to capscrews and tighten securely.
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Key
NOTICE Do not
scratch or chip
polished ceramic
face. Do not touch
polished surface.
Polished ceramic
face
Cardboard washer
(supplied with seal)
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