Re: Gummy Wheel Fix Message #4 Posted by Jan on 7 Mar 2006, 8:14 a.m., in response to message #1 by Peter Hendy
The inner diameter is crucial. You can check it by measuring or estimating the diameter of the axis. The wheel should fit tightly enough to the axis so that there is no slipping during operation. The outer diameter can be estimated from the remains of the old rubber wheel or by estimating the distance between the centre of the wheel axis and the card surface. The outer diameter is allowed to be a little too large since the rubber is flexible enough to give way and be pushed aside, but one should not overdo this of course.
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