Potentiometer Problems on EVS Vicmarc Lathe

jeudi 9 juillet 2015

Having problems of fluctuating speeds on my Vicmarc. Phoned the company and they said to spray the potentiometer with an electrical contact cleaner. I followed their instructions and the problem went away but has returned within a couple of days.
I was also going to take the steel plate door off below the lathe that has the digital read-out and blow that section out with compressed air, but cannot get two of the screws with the 3mm allen key heads, undone. Nor have I touched the white electrical box at the back of the lathe yet.

The lathe is a 2009 model and has not had lots of use. However, I am lead to believe that problems with potentiometers are not uncommon.

I have not approached Vicmarc for a price on a new potentiometer yet.

Hoping someone may be able to tell me how they solved the problem. Replacing the potentiometer at home does not appear to be diffucult as it has three wires that need to be soldered and I have an electric soldering unit that can do that.


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