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  1. #1
    PWCToday Newbie
    Join Date
    May 2018
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    Chateau*** NY
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    7

    Js550 pump... need help

    Long time reader and first time poster. First off thank you all for your knowledge and for saving me countless hours and dollars on my projects.

    My js550 pump is bound up and i believe the culprit is the outter wall/sleeve bubbling up from sand and debris and rubbing on the impeller. Can i buy just the leading portion of the pump somewhere or get my pump resleeved somewhere? Thanks in advance.
    Last edited by Ten4x4; 05-17-2018 at 09:02 AM.

  2. #2
    PWCToday Newbie TripleRRR's Avatar
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    May 2010
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    On the big fish
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    23

    Re: Js550 pump... need help

    You probably need a pump shoe as the inner stainless steel wear ring and outer cast aluminum housing has corrosion between the two. Pull the pump and there is a slight chance you can remove the impeller to see if it has been shimmed foward, if so remove the shims and reinstall the impeller. Finally check impeller clearance on the shoe. There should be no rubbing.

  3. #3
    PWCToday Newbie
    Join Date
    May 2018
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    Chateau*** NY
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    7

    Re: Js550 pump... need help

    It does have an aftermarket stainless prop. So if i understand correctly, when they installed that, they could have shimmed it forward causing it to rub. If i remove the shim even though the shoe has a bulge in it, i may be able to seat it far enough back that it won’t rub????


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  4. #4
    PWCToday Newbie TripleRRR's Avatar
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    May 2010
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    On the big fish
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    23

    Re: Js550 pump... need help

    You get the idea. You would normally shim the impeller as far foward just before it rubs to get a tight tolerance between the impeller and housing. If it's not shimmed then you should get a clean pump shoe/wear ring.

  5. #5
    PWCToday Newbie
    Join Date
    May 2018
    Location
    Chateau*** NY
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    7

    Re: Js550 pump... need help

    Anyone have a js550 pump shoe they want to sell?


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