SBT Jetski Engines, Parts & Accessories

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  1. #1
    Joined
    Aug 2002
    From
    Jersey Shore
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    227

    Default Impeller shaft question

    I have a very slight groove on the impeller shaft where the shaft rides on the outer bearing ( seal side ). I replaced that bearing and sanded groove mark with 800-grit sandpaper, then buffed smooth. Will this be ok, or does this require replacing the shaft? I can post a pic later today if that would help to answer this.

    Thanks

  2. #2
    Joined
    Sep 2004
    From
    florida
    Posts
    118

    Default Re: Impeller shaft question

    when you pressure test the pump after assembly if the groove is an issue it will leak .

  3. #3
    Joined
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    Jersey Shore
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    Default Re: Impeller shaft question

    I should point out that the groove is not ware the seal is, but within the oil chamber ( at the outer bearing ) so this would not affect the pressure test.

  4. #4
    Joined
    Sep 2004
    From
    florida
    Posts
    118

    Default Re: Impeller shaft question

    sorry i see that now after re reading your post.

  5. #5
    Joined
    Sep 2004
    From
    florida
    Posts
    118

    Default Re: Impeller shaft question

    I beleave your talking about the caged roller bearing it should be a nice fit and you probably dont want exsessive clearance there so it becomes a jugment call without seeing it in person.

  6. #6
    Joined
    Nov 2003
    From
    Glendora, CA
    Posts
    6,846

    Default Re: Impeller shaft question

    But it will ( or could ) allow the shaft to wobble and quickely ruin the seal.......
    Bill O'Neal <br>
    WCM
    <a href="http://www.watercraftmagic.com"

  7. #7
    Joined
    Aug 2002
    From
    Jersey Shore
    Posts
    227

    Default Re: Impeller shaft question

    I made sure I only sanded and buffed the groove itself and not the surounding area. About 1/8 inch.

    Thanks for your replys. I guess I'll run it for a few hours then pull and inspect.

  8. #8
    Joined
    Nov 2003
    From
    Glendora, CA
    Posts
    6,846

    Default Re: Impeller shaft question

    You will only need to remove the cone and check to see if water got into the pump. The oil will be milky looking.
    Bill O'Neal <br>
    WCM
    <a href="http://www.watercraftmagic.com"

  9. #9
    Joined
    Feb 2004
    From
    New Jersey
    Posts
    2,601

    Default Re: Impeller shaft question

    if your going to blow it up just keep in mind i will be going to FL on the first of june to about the 9th , blow it up before or after that date lol
    PRIDE IN SERVICE<br /> <img src="http://www.sbtontheweb.com/images/forposts/4609/1.jpg" alt=" - " />

  10. #10
    Joined
    Aug 2002
    From
    Jersey Shore
    Posts
    227

    Cool Re: Impeller shaft question

    I only blow up motors, not jet pumps, at least so far ;)

    Have fun in FL

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