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Thread: Impeller

  1. #1

    Impeller

    Hi all after some advice does this need repairing or could it be filed down
    thanks mick
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  2. #2
    Rodsatheart's Avatar
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    Repair. You can file a burr, but that is alot of material missing. If you were to file that blade down that much, it would change the profile, and throw the impeller out of balance.

  3. #3
    Thanks repair it is then ��

  4. #4

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    TIG it up with some 312 filler, weld with a copper backer. Then profile with a file.

  5. #5
    Outboardjohn's Avatar
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    I have sent impellers to Impros for repair in the past and they come back looking absolutely new!

  6. #6

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    I saved mine. Set to the clearances I wanted.
    http://greenhulk.net/forums/showthread.php?t=247134

  7. #7
    At these prices with shipping and all would you fix it or just buy a new one?
    https://www.impellers.com/shop.html#...800/p/73485860

  8. #8

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    Impeller

    I fixed one with similar damage and couldnít tell a difference once fixed. Trace a sharpie tip along the edge of each blade using something flat along the edge of the blade. If damage is thicker than sharpie tip you can buy one of the thick sharpies. Then using an angle grinder (used a 3Ē backer plate with 120 grit) profile each edge to traced line so that you are evenly removing the material from the leading edge of all 3 blades to keep balance. I slightly sharpened each of mine after to get a factory looking edge after removing the material. Then polished back with stepping up to 1200 paper and you canít tell the difference between what it looked like before and after.

    At worse you screw it up or not comfortable with repair buy another.

    Example of marking the leading edge with a sharpie to remove evenly the damaged material from each of the leading edges.

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  9. #9

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    Quote Originally Posted by nashvegas View Post
    I fixed one with similar damage and couldn’t tell a difference once fixed. Trace a sharpie tip along the edge of each blade using something flat along the edge of the blade. If damage is thicker than sharpie tip you can buy one of the thick sharpies. Then using an angle grinder (used a 3” backer plate with 120 grit) profile each edge to traced line so that you are evenly removing the material from the leading edge of all 3 blades to keep balance. I slightly sharpened each of mine after to get a factory looking edge after removing the material. Then polished back with stepping up to 1200 paper and you can’t tell the difference between what it looked like before and after.

    At worse you screw it up or not comfortable with repair buy another.
    Not sure I am following here. Removing material back to the sharipie line will increase your impeller to wear ring clearance. Unless I am reading it wrong.

  10. #10

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    Impeller

    From what I could tell in the pic the prop is dinged on the leading edge where the prop bites the water, not dinged where it meets the wear ring. By all means to the OP if you canít gather what Iím talking about just buy a new one or get it repaired.

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