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Thread: pool pump

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    pool pump

    We usually run our pool pump at least once a month during the winter. But this time we left it turned off for about 2 months and now it won't come on. It does make a humming noise. But I don't know where to begin to try and determine how to get it working without calling the pool service guy and paying a hefty fee. Do you have any advice on what to check to get it working again?
    vinyl IG 18x36 HP pump sand filter

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    frustratedpoolmom's Avatar
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    Re: pool pump

    Hi, welcome to the forum.

    If you can post your equipment specs and pool info in your signature that would be helpful. Go to User Control Panel, then Profile, then Edit signature. For an example of what info we need, check out my signature.

    There is usually a clear cap on the pump with a strainer basket in it. Does the water reach the top? If not, then the pump has probably lost prime and that might be why it won't work. When you say 'hum', can you tell if it's running and just not pumping water? Are all of your lines open, no valves shut off, etc.?

    You'll get more suggestions, I'm sure, but be sure to post your equipment info.
    Helpful links: Pool School; CYA/Chlorine Chart
    24' round AG pool, 52" high, Raypak heater; Waterway 2 spd Pump;
    150 Sq ft. Clearwater Cartridge Filter; Former and DISSATISFIED "Pool Frog" owner
    http://www.PerfectlyClearPoolService.com

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    Re: pool pump

    It does have water. I think all the valves are open. The hum does sound like its running and just not pumping. What do I do now?
    vinyl IG 18x36 HP pump sand filter

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    frustratedpoolmom's Avatar
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    11,963

    Re: pool pump

    Is there a valve on top of the filter, for 'bleeding air' ? (I'm not sure if sand filters have these....) if you do, and unscrew it a bit to bleed the air out of the filter...

    Check your return in the water, do you feel any water flowing through it?

    When is the last time the sand filter was opened, and you checked/changed out the sand?

    I'm no expert on pumps, hopefully someone else will chime in shortly. I do know don't leave it running if it's not functioning normally, that could make a bad problem worse....
    Helpful links: Pool School; CYA/Chlorine Chart
    24' round AG pool, 52" high, Raypak heater; Waterway 2 spd Pump;
    150 Sq ft. Clearwater Cartridge Filter; Former and DISSATISFIED "Pool Frog" owner
    http://www.PerfectlyClearPoolService.com

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    spishex's Avatar
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    Re: pool pump

    Take the end cap off the back of the motor to expose the back side of the motor shaft. Turn on the motor and see if it's moving. If so, the impeller may be clogged or broken. If not, turn the motor off and see if it turns easily by hand. If so, you may just have a bad capacitor in the motor. If not, your bearings are probably shot or there is some other oxidation holding the shaft in place.

    You can also try turning the shaft of the motor while it is humming to get it to 'turn over', but be very careful if you choose to do this as it starts going very fast, very quickly and there's a lot of wiring back there.

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    Re: pool pump

    Thanks so much for you help. We have taken the pump apart and inspected it. I appears to have quite a bit of erosion. We are going to try and clean it and replace parts that don't work. I'll let you know how it goes. But thanks again. I couldn't have done it without you.
    vinyl IG 18x36 HP pump sand filter

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    Re: pool pump

    O.K. looks like I may need a new hp super pump. The gold canister part has burn marks on it and the wires appear to be burnt. May have been struck by lighting? My pool/pump is about 13 years old and I have never had any problem with the pump till now. It appears that ony the gold canister part is not working. So can I purchase only this part? Or is it just as cheap to buy the whole pump? And where should I look to purchase this pump or part?
    vinyl IG 18x36 HP pump sand filter

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    spishex's Avatar
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    Re: pool pump

    You'll need a new motor and shaft seal. Can you read any of the information off the label on the gold part? Specifically Volts, HP, and SF.

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    Join Date
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    Re: pool pump

    Welcome to TFP!!

    In addition to the motor you'll want the seal assembly (SP 1600 Z 2) and a housing gasket (SP 1600 T). If you go with an A. O. Smith replacement motor, the part number will be UST #### - the #s change depending on the horsepower. If you can't read the HP off the motor, you cna cheat and get the number off the impeller which will tell us what the HP is If you need any help on 'how to' make the changeout, I could do it in my sleep
    Luv& Luk
    -Ted

    Having done construction and service for 4 pool companies in 4 states starting in 1988, what I know about pools could fill a couple of books - what I don't know could fill a couple of libraries :-D

    POOL SCHOOL, TF Testkits, Jason's Pool Calculator, CYA vs. cl chart, (Just a few DARNED handy links!)

  10. Back To Top    #10

    Re: pool pump

    O.K. the have the info off the gold canister. Hayward Super pump model #C48K2N143 Series 8L94.
    HP1 Volts 115/230 Sp 1607Z1M SF1.1. I did a search for the model # and didn't come up with anything that matched exactly. I guess since it is 13 years old its not made anymore. So where should I look to purchase this and what exactly should I get?
    vinyl IG 18x36 HP pump sand filter

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    Join Date
    May 2008
    Location
    Fair Oaks Calif
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    Re: pool pump

    In keeping with Waste's idea of an AO Smith replacement, you need model # UST1102

    Two examples of suppliers:

    Inyo Pools

    Aqua Superstore

    You can also do a google search for UST1102, it is a common motor.

    Also follow Waste's advice on seal assembly (SP 1600 Z 2) and a housing gasket (SP 1600 T).
    17000 gal free form plaster pool with 900 gal spillover spa, shared 2 HP 2 speed pump, cartridge filter, Pentair IC40 SWG, solar and gas heater, 1 hp pump for water features, 1.5 hp pump for spa. Dolphin Diagnostics robotic cleaner.

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    Re: pool pump

    O.k. we have the pump repaired and Now problem #2 is green swamp and we are about to work on that as soon as I get a new test kit. But what I am concerned about now is I think I may have quite a bit of water behind my liner. How do you get it out? Can you run a hose behind it and pump it out? Or will this ruin the liner?
    vinyl IG 18x36 HP pump sand filter

  13. Back To Top    #13

    Join Date
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    Re: pool pump

    Bond, James (a/k/a 007) 8)

    A separate thread would probably be better for this - more folks could find the info 8)

    You can certainly untuck a section of liner and put a pump hose in. A bit more info would help, like how old is the liner, how much water is in it now, why do you think there's water behind it, is the liner 'bulging' anywhere and what sort of snow melt and rain have you recently experienced?

    The company I work for specializes in IG liner pools, so I can probably help you with water behind a liner, if you'd answer the questions I asked above 8)
    Luv& Luk
    -Ted

    Having done construction and service for 4 pool companies in 4 states starting in 1988, what I know about pools could fill a couple of books - what I don't know could fill a couple of libraries :-D

    POOL SCHOOL, TF Testkits, Jason's Pool Calculator, CYA vs. cl chart, (Just a few DARNED handy links!)

  14. Back To Top    #14

    Re: pool pump

    The liner is 8 years old. And its actually had water behind it for sometime now. You can see and feel bulging in the corners. We are going to clear up the water and then we can probably see better to tell if its worse since last summer. There are a couple of spots where the liner is pulled away from the sides. I wasn't sure whether or not it was safe to run a hose down one of these spots or if it would cause more problems. Also is there away to fix the spots where the liner is pulled away from the sides?
    vinyl IG 18x36 HP pump sand filter

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