This is topic Potentiometers in forum 16mm Forum at 8mm Forum.
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Posted by Terry Sills (Member # 3309) on August 17, 2014, 01:35 PM:
What is the fluid cleaner for volume pots called and where to get it? I think there is a spray fluid for curing noisy pots. On valve amps.Am I right?
Posted by Maurice Leakey (Member # 916) on August 17, 2014, 01:41 PM:
Terry
SERVISOL
http://www.ebay.co.uk/itm/SUPER-10-SWITCH-CLEANING-LUBRICANT-701-100UK-/200944369957?_trksid=p2054897.l4275
Posted by Martin Jones (Member # 1163) on August 17, 2014, 02:18 PM:
The "classic" one was "ELECTROLUBE", no longer commercially available. Snap it up at car boots if you should see it!
But I often used, and still do, sewing machine oil or "3 in 1" applied directly to the track by squirting through any convenient aperture in the potentiometer body. Trust me, it does no damage and effects the circuit not one jot, just removes the roughness that causes the problem.
Servisol works almost as well; really intended to remove tarnish on switches but has some lubricating properties. wears off quicker than oil, though.
Posted by Maurice Leakey (Member # 916) on August 17, 2014, 02:47 PM:
Noisy pots can often be cured (temporarily) for free.
Just rotate the operating knob a dozen or so times over the whole range. The carbon track will "lubricate" itself.
Posted by Terry Sills (Member # 3309) on August 18, 2014, 12:25 AM:
Thanks Maurice and Martin. I've tried the rotating bit, so I will try Martins tip using 3in1 oil.
Posted by Terry Sills (Member # 3309) on August 23, 2014, 05:59 AM:
I found it difficult to get oil into the body of the pot, but by undoing the fixing nut I was able to get some in and it definitely helps. Thanks Martin.
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