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

  1. jcrtiling

    jcrtiling Trusted Advisor 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 Top Contributor

    Location:
    Preston, Lancs
    Aren't they brushless?
     
  5. jcrtiling

    jcrtiling Trusted Advisor Professional Tiler TTA Member Top Contributor

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

    jcrtiling Trusted Advisor Professional Tiler TTA Member Top Contributor

    Location:
    Salisbury
    It wasnt that bad
    20180729_194421.jpg 20180729_200107.jpg
    About 15min and £11 later its fixed .
    Spoke to a local tool guy he reckoned
    £30 Labour and about £30 bits .
    All parts I used genuine Makita from local builders merchant . At £30 Labour I reckon £120 an hour , nice work if you can get it .
     
    • Like Like x 2
  7. Andystiletiling

    Andystiletiling Professional Tiler

    Location:
    Burnley
    Jesus, you could do with a can of air duster....compressed air in a can ;)
     
    • Agree Agree x 1
  8. impish

    impish Trusted Advisor Professional Tiler Top Contributor

    Location:
    Preston, Lancs
    Covered in adhesive too! :rolleyes:
     
  9. jcrtiling

    jcrtiling Trusted Advisor Professional Tiler TTA Member Top Contributor

    Location:
    Salisbury
    Why
    And dont know what youre on about its clean
     
  10. Andystiletiling

    Andystiletiling Professional Tiler

    Location:
    Burnley
    Its caked in sh#Te no wonder it was crying out for attention :(
     
  11. jcrtiling

    jcrtiling Trusted Advisor Professional Tiler TTA Member Top Contributor

    Location:
    Salisbury
    Does that mean the rest of my tools are going to brake .
     
  12. Andystiletiling

    Andystiletiling Professional Tiler

    Location:
    Burnley
    Would probably last a bit longer with some tlc...no offence just my tool ocd:)
     
    • Like Like x 1
  13. impish

    impish Trusted Advisor Professional Tiler Top Contributor

    Location:
    Preston, Lancs
    I always give my tools a clean after use.
    You know what they say : Look after your tools - and you'll be late home to an angry wife...

    (but at least your tools will be clean!)
     
    • Like Like x 1
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