Mini Mill Switch Controller Help Please

[Blue HeelerParticipant @blueheeler]

Mini Mill Switch Controller Help Please

Bought the below Mini Mill around 18 years or so ago and its been problem free except for stripping the plastic gears which I replaced with aftermarket metal ones.

Just recently I have had to turn the on and off switch multiple times to get the motor to start to turn. Is there anything I can do to fix this problem which I gather is something to do with the electronic controller in the box with the switch on it?

 

[Stuart Smith 5Participant @stuartsmith5]

It looks like it has a combined on/off switch and speed control potentiometer. I think it is most likely wear in the potentiometer track or possibly the switch rather than the electronics. It will be easy enough to replace pot/switch with one of the same resistance. You should be able to get one from an electronics parts supplier or web site . Worth trying first since it’s an inexpensive item.

[Blue HeelerParticipant @blueheeler]

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[Blue HeelerParticipant @blueheeler]

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