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  1. #1
    Technologist Ward's Avatar
    Join Date
    Aug 2015
    Posts
    190
    I "think" I found the source of all that noise....
    This is one of the linear bearings on the side.
    After adding a heavy viscosity oil (motor oil) to the rail, the noise suddenly was gone.
    linearbearing.jpg

  2. #2
    Technologist
    Join Date
    Jul 2017
    Posts
    193
    A little lithium grease may help make that more permanent ( never fully permanent ;-) )

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