[Boatanchors] frozen potentiometer

[Steve Mulder]

I got it moving using rubbing alcohol on a Q-tip and a little bit of 
heat from a light bulb.
Thanks again for all the help!

Steve




On 9/25/2017 1:47 PM, Steve Mulder wrote:
> Thanks for all the great suggestions!
>
> I have tried contact cleaner and WD-40, but no luck yet. The pot. is 
> spring clipped to the back of a range switch, and the pot. shaft runs 
> through the hollow shaft of the range switch. The pot. isn't stuck on 
> the range switch shaft. I can't use a hammer until I remove the 
> potentiometer, because of the spring clip. Maybe things will start to 
> move when the spring clip isn't pulling on the pot. shaft. I'll pick 
> up some Blaster PB and go back at it tonight.
>
> btw, I have heard that Kroil might be better than Blaster PB, but I 
> can only find Kroil online and I don't want to wait a week for it to 
> ship.
>
> Steve
>
>
> On 9/24/2017 6:53 PM, Steve Mulder wrote:
>> I'm looking for suggestions on how to deal with a frozen 
>> potentiometer. It's on the back of the vertical gain switch on an 
>> Eico 435 scope. I tried contact cleaner and a bit of torque, but it 
>> won't budge. What else could I try?
>>
>> Steve, KG7CCS
>>
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>