How can I clean tubes and circuit stained with oil ??

Lorenzo · Joined: Nov 09, 2008 Posts: 375 Location: Trieste - Italy

Hi,
this is my Hammond M3 amplifier. It is stained with oil... even circuit is dirty... how I could clean it?
How I could clean the vacuum tubes stained with oil, too?

and... I found some links on the web, but what do you recommend to test tubes?

Thank you in advance for your kindly reply!

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sorry for the low quality smartphone photo!

Lorenzo · Joined: Nov 09, 2008 Posts: 375 Location: Trieste - Italy

Ok I clean up the tubes with alcohol... but what I have to do with the citcuit?

DES · Posted: Tue Jan 28, 2014 10:29 am Post subject:

You can try alcohol...get a toothbrush (a used one is fine as long as you clean all the old toothpaste out of it) Note- you WILL NOT be able to use the brush for your teeth afterwards...

Depending on the material used for the circuit board you may not be able to get any or all of the oil off it. Apply alcohol to the brush and scrub. Paper towels are your friend... for wiping up the mess. Be careful cleaning components and tubes with alcohol as you can remove labels and such that identify what the part is...