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  1. #11
    MSX 150 guy lives on Mr. GP1800's Avatar
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    If you still need this I may be able to help. I’m on the south side of Milwaukee if you wanted to bring the pump over we could change the prop


  2. #12
    butterbean_29512's Avatar
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    You can make a shaft holding tool by welding the fitting onto a 2" receiver drawbar, (or 1 1/4" if thats the size you have). Put splines in the tool, inserted into the receiver hitch, jack the duct end up with a jack until its level, and the impeller will come off easy peasy.

  3. #13
    Click avatar for tech links/info K447's Avatar
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    Quote Originally Posted by butterbean_29512 View Post
    You can make a shaft holding tool by welding the fitting onto a 2" receiver drawbar …

    … Put [the driveshaft] splines in the tool, inserted into the receiver hitch, jack the duct end up with a jack until its level, and the impeller will come off easy peasy.
    First he needs the spline tool, which he does not yet have.

    Regarding welding the spline tool onto a trailer hitch drawbar, it seems more effort than simply using a breaker bar and deep socket on the ground to hold the driveshaft spline tool. No welding of the spline tool, no raising and supporting the duct end level with the truck hitch.

    Still may need a ‘cheater pipe’ to crack loose the impeller.

    If anything, welding a deep socket onto the drawbar seems more flexible for holding the spline tool, as the spline tool can then be re-used elsewhere


  4. #14
    Click avatar for tech links/info K447's Avatar
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    I removed two more Yamaha OEM impellers just in the last week.

    Same on-the-ground method worked each time.
    I do lay a flat scrap of plywood under the pump duct to protect the casting surface.
    http://greenhulk.net/forums/showthre...=1#post3129936






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  6. #15
    WaterDR's Avatar
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    Quote Originally Posted by Mr. GP1800 View Post
    Youll melt the seals in the pump
    Are you saying to not use heat or to not use too much heat?

  7. #16

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    I agree, also it might change the structural strength of the shaft.

  8. #17

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    just received the tool yesterday
    I will try to get it done today so I can enjoy the sunday weather on the lake.
    If I run into problem I will ask for help
    Thank you for the offer I appreciate it

  9. #18

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    K447, it worked
    pretty easy

    Attached Thumbnails Attached Thumbnails Click image for larger version. 

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  10. #19
    Click avatar for tech links/info K447's Avatar
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    Quote Originally Posted by Vince.D View Post
    … pretty easy

    Did you need any cheater pipe leverage on the big box end wrench?

    When I remove a factory installed SVHO impeller I usually hear and feel two ‘pops’ (or perhaps they are ‘pings’)

    The first pop/ping cracks/loosens the impeller just a bit, then apply further twist and with the second pop it loosens the impeller entirely.

    Did you hear two separate pop sounds?

  11. #20

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    2” pvc pipe. Not too long though. Works like a charm
    My wrench was too thick to use metal pipe over it. And yes, i noticed these sounds, even though I smacked that b@&c so fast and hard it did not have a chance to resist ��
    Attached Thumbnails Attached Thumbnails Click image for larger version. 

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    Last edited by Vince.D; 09-26-2021 at 09:57 AM. Reason: Forgot to mention

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