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Discuss Makita grinder running slow in the Tiling Tools Forum area at TilersForums.co.uk.

  1. jcrtiling

    jcrtiling Professional Tiler TTA Member Top Contributor

    Location:
    Salisbury
    My Makita 18v battery grinder is running half speed ( approximately . I havent measured the rpm ) is this likely to be brushes or something more terminal . Went to check the brushes by removing and inner and outer cap but couldn't do it . Any advice would be appreciated
     
  2. Sean Kelly

    Sean Kelly Trusted Advisor Professional Tiler

    Location:
    Ruislip
    The outer cap is probably covered in adhesive!! Just use a screwdriver and they will pop off.

    The inner ones are threaded. If I remember correctly they have a slot in the middle of them so that you can get a flat head screwdriver and turn them. Failing that use a thin nosed set of pliers to give them a good turn.

    Take out the brushes, again by prising them out with a screwdriver.

    The slowness of your grinder is probably the worn brushes!
     
    • Agree Agree x 1
  3. antonio

    antonio Trusted Advisor Professional Tiler JOTM Winner Top Contributor

    Location:
    italy
    they may not be the brushes,
    lately the brushes have a copper wire inside,
    when the copper touches the winder, the block is immediate.
    the grinder no longer works
     
  4. impish

    impish Trusted Advisor Professional Tiler

    Location:
    Lancashire
    Aren't they brushless?
     
  5. jcrtiling

    jcrtiling Professional Tiler TTA Member Top Contributor

    Location:
    Salisbury
    Not if you're a cheapskate like me and buy the cheaper version
     
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