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Thread: Pump won't prime

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    Kidswimin's Avatar
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    Pump won't prime

    Long time reader, first time poster. I opened my pool this weekend, used a net to get most of the big stuff. Got the pump running, and started to vacuum the leaves and other debris off the bottom. I removed the vac plate from the skimmer basket to empty it, tried to vacuum more, and pump lost prime from sucking air when removing vac. I tried everything (I think) to reprime the pump, and it won't. I blew the lines out with air to see if anything got behind the skimmer basket while emptying. I replaced o-rings on the pump plugs, and resealed all other fittings. I tried to get the pump going with just the skimmer line, just the bottom drain line, and both. Nothing seems to help.
    Any Ideas?
    Dave. 13,000 gal inground vinyl. 3/4 hp single speed. Hayward 300# sand filter. Taylor K-2006 test kit. Pool built in 80's survived tornado in 90's. Recently added (4) 4'x12' solar panels with solartouch controller. New to me 1999 Hot Springs Sovereign tub.

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    Mod Squad woodyp's Avatar
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    Re: Pump won't prime

    With the pump unplugged.....can you feel anything that may be jamming up the impeller?
    16x32x52" Steel Cornelius Miramar AGP Vinyl liner 13,100 gal. Buried 2 ft.
    2 Speed Hayward Power-Flo Matrix 85 g.p.m. 22" 250lb. sand filter hard plumbed
    Pool Rover Jr., Pool Blaster Max, Diver Dave TF100 Test Kit/Speed Stir
    Margaritaville Frozen Concoction Maker, Liqour Chiller, & Drink Mixer & Party Tub----Collect 'um all!

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    Kidswimin's Avatar
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    Re: Pump won't prime

    The impeller spins freely. When I pour water in the basket to get it to prime, I can see it pulling the water I pour in but it doesn't keep pulling.
    Dave. 13,000 gal inground vinyl. 3/4 hp single speed. Hayward 300# sand filter. Taylor K-2006 test kit. Pool built in 80's survived tornado in 90's. Recently added (4) 4'x12' solar panels with solartouch controller. New to me 1999 Hot Springs Sovereign tub.

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    Kidswimin's Avatar
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    Re: Pump won't prime

    I think I found the problem. When pump is off there is a drip coming from the bottom of the band clamp the oring looks good but I will replace. Should I also replace the clamp. Any other ideas
    Dave. 13,000 gal inground vinyl. 3/4 hp single speed. Hayward 300# sand filter. Taylor K-2006 test kit. Pool built in 80's survived tornado in 90's. Recently added (4) 4'x12' solar panels with solartouch controller. New to me 1999 Hot Springs Sovereign tub.

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    duraleigh's Avatar
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    Re: Pump won't prime

    I am not at all sure that is your problem. Are you talking about the band clamp on the pump?
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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    Kidswimin's Avatar
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    Re: Pump won't prime

    Yes, the band clamp on the pump. That is the only thing that I can see is leaking. Could that suck enough air to not allow the pump to prime?
    Dave. 13,000 gal inground vinyl. 3/4 hp single speed. Hayward 300# sand filter. Taylor K-2006 test kit. Pool built in 80's survived tornado in 90's. Recently added (4) 4'x12' solar panels with solartouch controller. New to me 1999 Hot Springs Sovereign tub.

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    Re: Pump won't prime

    yes, most suction leaks are at the connection

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    Kidswimin's Avatar
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    Re: Pump won't prime

    New o-ring same problem. Up next is the shaft seal
    Dave. 13,000 gal inground vinyl. 3/4 hp single speed. Hayward 300# sand filter. Taylor K-2006 test kit. Pool built in 80's survived tornado in 90's. Recently added (4) 4'x12' solar panels with solartouch controller. New to me 1999 Hot Springs Sovereign tub.

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