[R-390] Cleaning sealed pots?

[ronald j deeter]

re On potentiometers

lubricants....lubriplate white grease seems to work quite well. another
product-tuner lube white lithium grease is also good.

anybody have any experience with synthetic lubes???? 

cleaning  isopropyl alchol (100%) is a good cleaner.

an old trick to change a pot from linear to log is to use a resistor
(standard value as close as possible) about 11% value  (10.9% if you want
closer )of the pot from wiper to one side (not across the element). this
will be avery good approximate. also gives up or down taper as needed. 
ie 25K linear taper and a 2.7k or 3k will do fine.

Ron





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