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Thread: Replacing the motor shaft seal on my Pentair Superflo

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    Replacing the motor shaft seal on my Pentair Superflo

    Hi! I found a leak under my pump today (while I'm nearing the end of SLAMming my pool for algae) and I'm pretty sure it's the motor shaft seal that needs to be replaced. I've ordered new parts, but I need to know if I'm supposed to lubricate anything when I put it on. I actually wiped off the shaft itself after I took the old seal off (may have been a mistake?). Can someone help me out? Also, if I need to lube it, what lube should I use and/or what will work in a pinch?

    Thanks!
    -15,000 gallon vinyl liner in-ground pool
    -Pentair 1HP SuperFlo pump
    -Hayward Pro Series sand filter

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    mas985's Avatar
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    May 2007
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    Pleasanton, CA
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    Re: Replacing the motor shaft seal on my Pentair Superflo

    The only lube you should put on a seal is the lube they send with the seal but ONLY on the rubber part that seats into the motor mounting plate. It helps to seat the seal. But DO NOT lube the ceramic or carbon seal faces. Those need to be clean and pristine.
    Mark
    Hydraulics 101; Pump Ed 101; Pump/Pool Spreadsheets; Pump Run Time Study; DIY Acid Dosing; DIY Cover Roller
    18'x36' 20k plaster, MaxFlo SP2303VSP, Aqualogic PS8 SWCG, 420 sq-ft Cartridge, Solar, 6 jet spa, 1 HP jet pump, 400k BTU NG Heater

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    Re: Replacing the motor shaft seal on my Pentair Superflo

    What if it didn't come with any lube? Is there something I can go buy at Home Depot or Lowe's?

    EDIT: Or Walmart or anywhere really... the instructions on the seal said not to use any silicone based lubricants. It recommended using Sealube (water-based) so I'm wondering if/where I can just find another water-based lubricant made for rubber and use that. Thoughts?
    -15,000 gallon vinyl liner in-ground pool
    -Pentair 1HP SuperFlo pump
    -Hayward Pro Series sand filter

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    Re: Replacing the motor shaft seal on my Pentair Superflo

    Bump. I'm desperate and in a bit of a time crunch.
    -15,000 gallon vinyl liner in-ground pool
    -Pentair 1HP SuperFlo pump
    -Hayward Pro Series sand filter

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    mas985's Avatar
    Join Date
    May 2007
    Location
    Pleasanton, CA
    Posts
    11,482

    Re: Replacing the motor shaft seal on my Pentair Superflo

    A local pool store should carry it. Ask for P-80 lubricant.
    Mark
    Hydraulics 101; Pump Ed 101; Pump/Pool Spreadsheets; Pump Run Time Study; DIY Acid Dosing; DIY Cover Roller
    18'x36' 20k plaster, MaxFlo SP2303VSP, Aqualogic PS8 SWCG, 420 sq-ft Cartridge, Solar, 6 jet spa, 1 HP jet pump, 400k BTU NG Heater

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