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Old 28th Apr 2009, 9:03 am   #12
GMB
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Join Date: Aug 2003
Location: near Reading (and sometimes Torquay)
Posts: 3,086
Default Re: cleaning tuning capacitors

It's important to ensure that any cleaning chemicals are washed off at the end. Dishwashers do a rinse cycle for that.

Any other method should be followed by thorough rinsing e.g. in distilled water. Domestic cleaners are usually alkaline and so the aluminium parts will be slightly etched as a result. They also often contain salt which if not washed off will deal with the steel parts in time.

I usually clean variable capacitors using a degreasing gun blowing a solvent like meths or IPA.
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