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  1. 3rd January 2023, 08:07 AM #1
    lemerv
    lemerv is offline Senior Member
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    Default Is it ok to have to hammer in a blade bushing?

    Got a CMT blade (30mm arbor) for my TS (5/8” arbor). Got the corresponding bushing (carbatec branded one as all the CMT ones were out of stock) but it won’t go in by hand. I could lay it on a flat surface and give it a careful hit with the hammer but not sure it should require that? Might damage the blade?

    I used a bushing on my mitre saw blade and remember that fit very snugly but didn’t require more than hand force to get in place.

    Should I use the hammer? Or let it seat properly when I tighten it up on the TS? Or get a replacement?

    Cheers
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  3. 3rd January 2023, 08:34 AM #2
    jack620
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    Default

    I would first check to see if there's a burr on the 30mm hole in the blade. If there is, remove it with a jeweller's file or a piece emery on a stick of dowel. Then place a block of wood on the bushing and try tapping it in.
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  4. 3rd January 2023, 02:12 PM #3
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    Chief Tiff
    Chief Tiff is offline Butcher of wood
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    Default

    The Carba-tec bushes have serrated edges; they are designed to be a slight interference fit so you will need to gently tap them in.

    To add to Jack's advice ensure the center section of the blade is fully supported; use HARDWOOD not softwood and it needs to be FLAT. Push the bushing into the blade by hand as far as you can; make it as square as a very square thing then gently tap it home. Either a soft faced hammer or use another piece of hardwood as a drift.
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  5. 3rd January 2023, 02:39 PM #4
    lemerv
    lemerv is offline Senior Member
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    Thanks for the answer. Yep I noticed the serrated edges and wondered about them.

    I’ll use the hardwood trick and give it a go.

    Cheers
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  6. 22nd January 2023, 02:32 PM #5
    lemerv
    lemerv is offline Senior Member
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    Update: this worked. Cheers
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