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always the same scanner issue (ratteling)

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  • #1

    always the same scanner issue (ratteling)

    Hi guys

    would be nice if you could take a look at the video i shot:

    https://www.youtube.com/watch?v=D1D3HCCPEYg

    This ratteling sound I encounter on almost every scanner i service even after servicing. I did not found out how to get rid of it.

    I am sure there is mechanical wear also caused by the source of this sound.

    interestingly it almost dissappears when you switch of the run motor. it seems to have something to do with the pulsating torque of the run motor.

    Can anyone help?

    Christian
    ----------------------------------------------------------------------------------------------------------------
    Restored my Hammond C2 (Ser. 37447, 1950, original 230V/50Hz model, rev. B AO-10 Preamp and ElectroTone PER200 Percussion, this organ was made and exported to Switzerland in 1950. Also restored and using: Leslie 760, Leslie 122, 2 Hammond PR40, 2 Hammond L100.
    Hammond M3 (Ser. 58280).
    www.hammond-restauration.ch
    Tags: run motor, scanner, sound
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