Hitachi/Metabo miter saw making horrible screeching sounds.

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  • LCHIEN
    Super Moderator
    • Dec 2002
    • 21766
    • Katy, TX, USA.
    • BT3000 vintage 1999

    #1

    Hitachi/Metabo miter saw making horrible screeching sounds.

    After the last few cuts my saw has been making terrible horrible screeching sounds as it ran and coasted to a belabored stop with the blade ringing.
    Its a Metabo HPT CD12FDH. 12 inch dual compound miter saw.

    I spend the evening looking at bearing replacement procedures, pulleys and lubrications and exploded diagrams.

    Well I decided to tear into it and I unplugged it, put the bungee cord on to hold the moving blade guard up and back and was about to remove the blade. I turned the blade a bit and felt the resistance and bad sound.

    I turned it a bit backwards some more trying to see where the sounds came from, and this little offcut piece dropped out of the blade housing where it had been sucked up and wedged between the blade and the housing. From the burn marks looks like the pointed edge was rubbing against the blade.
    Click image for larger version  Name:	20251107_155308.jpg Views:	0 Size:	148.4 KB ID:	862178

    Whew, what a relief. I didn't really relish tearing apart a saw that is not that old and used, for bearing or motor issues.
    Maybe I always need to find the little cutoffs and make sure they are disposed of properly.... but then, sometimes they go flying on their own.
    Last edited by LCHIEN; 11-10-2025, 01:55 AM.
    Loring in Katy, TX USA
    If your only tool is a hammer, you tend to treat all problems as if they were nails.
    BT3 FAQ - https://www.sawdustzone.org/forum/di...sked-questions
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