Uni I roller squeal

I am having an issue with our Uni I—it has a squeaky rider roller.  I took a look at an old post, ‘Inking Roller Squeal,’ and that was helpful, but I have an additional question.  The black knob at the end of the rider is loose, but when it is held in place, the squealing stops–Is there a way to tighten this?  I don’t see a set screw, so does the whole rider roller have to be removed to examine the handle?

Thanks!

Sara P

1 thought on “Uni I roller squeal

  1. Paul Moxon, Moderator - March 2, 2010

    It should simply tighten by turning the knob clockwise. If not wrap a bit of teflon tape (plumber’s tape) on the threads of the handle.

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