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Sturmey Drum Brakes Jamming

Discussion in 'Gear and Equipment' started by PeteCress, Dec 17, 2023.  |  Print Topic

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  1. PeteCress

    PeteCress

    Region:
    NorthEast
    State/Country:
    PA
    City:
    Paolt
    Ride:
    (none yet)
    ICE Adventure HD, Sturmey-Archer drum brakes.

    When axle bolt is tightened and brake applied, something seems to jam and the brake stays applied even though lever pressure is zero.

    Rotating the wheel a few inches backward frees it up.

    Does not happen when axle bolt is not tightened.

    Visual inspection of shoes and wheel braking surface reveals nothing.

    Can anybody shed some light?
     
    PeteCress, Dec 17, 2023
    #1
  2. A.D.

    A.D. #1 Custodian

    Region:
    SouthEast
    State/Country:
    TN
    City:
    Athens
    Ride:
    Reynolds T-Bone
    Name:
    AD
    I can't shed any light on the fix, however here are several Youtube Videos about such. :idunno:
     
    A.D., Jan 2, 2024
    #2
  3. PeteCress

    PeteCress

    Region:
    NorthEast
    State/Country:
    PA
    City:
    Paolt
    Ride:
    (none yet)
    I think it's fixed.

    First fix was wiping down pads and drums with 72% rubbing alcohol, but that only lasted a few days.

    The (hopefully) final fix has been to smooth a very slight edge off of the pads where they are chamfered at each end.

    How did the edge get there?

    No clue.
     
    PeteCress, Jan 2, 2024
    #3
    A.D. likes this.
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