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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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Best way to clean Pots.
trm54321 wrote: I'm assuming spraying down the shaft with a cleaner/ lub and work it is the best way to do this? Some pots have openings in the body also and is this a better option? Cheers! The only way to help when you have wiper problems is get the cleaner/lube inside the unit. Spraying down the shaft usually does not accomplish this. I recommend Caig labs products such as D5 or pro gold. If the pot has holes in the back, spray into the holes and turn the pot for a minute or so to clean off the resistance contact area. Sealed pots (or switches) are another issue. On the plastic cased units, i have developed a method of last resort. Take a fine tipped pencil soldering tip and slowly burn a hole through the back while working the control back and forth so the internal melted plastic won't jam the control. Then spray the cleaner in the pot. Sometimes i reseal with a dab of RTV or such,. Not a 100% fix, but it will bring some back to life. Bob ----== Posted via Newsfeeds.Com - Unlimited-Unrestricted-Secure Usenet News==---- http://www.newsfeeds.com The #1 Newsgroup Service in the World! 120,000+ Newsgroups ----= East and West-Coast Server Farms - Total Privacy via Encryption =---- |
#2
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Best way to clean Pots.
Bob Urz wrote: trm54321 wrote: I'm assuming spraying down the shaft with a cleaner/ lub and work it is the best way to do this? Some pots have openings in the body also and is this a better option? Cheers! The only way to help when you have wiper problems is get the cleaner/lube inside the unit. Spraying down the shaft usually does not accomplish this. I recommend Caig labs products such as D5 or pro gold. If the pot has holes in the back, spray into the holes and turn the pot for a minute or so to clean off the resistance contact area. Sealed pots (or switches) are another issue. On the plastic cased units, i have developed a method of last resort. Take a fine tipped pencil soldering tip and slowly burn a hole through the back while working the control back and forth so the internal melted plastic won't jam the control. Then spray the cleaner in the pot. Sometimes i reseal with a dab of RTV or such,. Not a 100% fix, but it will bring some back to life. Bob ----== Posted via Newsfeeds.Com - Unlimited-Unrestricted-Secure Usenet News==---- http://www.newsfeeds.com The #1 Newsgroup Service in the World! 120,000+ Newsgroups ----= East and West-Coast Server Farms - Total Privacy via Encryption =---- Compressed air from Staples. Won't wash anything away - just stirs it up. Spray sparingly. Then power up device and turn knob back n' forth until crackling - noise disappears and/or volume or effect gets louder/clearer. -CC |
#3
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Best way to clean Pots.
"ChrisCoaster" wrote in
ups.com: Bob Urz wrote: trm54321 wrote: I'm assuming spraying down the shaft with a cleaner/ lub and work it is the best way to do this? Some pots have openings in the body also and is this a better option? Cheers! The only way to help when you have wiper problems is get the cleaner/lube inside the unit. Spraying down the shaft usually does not accomplish this. I recommend Caig labs products such as D5 or pro gold. If the pot has holes in the back, spray into the holes and turn the pot for a minute or so to clean off the resistance contact area. Sealed pots (or switches) are another issue. On the plastic cased units, i have developed a method of last resort. Take a fine tipped pencil soldering tip and slowly burn a hole through the back while working the control back and forth so the internal melted plastic won't jam the control. Then spray the cleaner in the pot. Sometimes i reseal with a dab of RTV or such,. Not a 100% fix, but it will bring some back to life. Bob ----== Posted via Newsfeeds.Com - Unlimited-Unrestricted-Secure Usenet News==---- http://www.newsfeeds.com The #1 Newsgroup Service in the World! 120,000+ Newsgroups ----= East and West-Coast Server Farms - Total Privacy via Encryption =---- Compressed air from Staples. Won't wash anything away - just stirs it up. Spray sparingly. Then power up device and turn knob back n' forth until crackling - noise disappears and/or volume or effect gets louder/clearer. -CC a neat trick is to wrap a couple of turns of insulated wire around the control's knob,then pull alternately on the wire ends to rapidly spin the pot shaft from limit to limit;that can "clean up" a noisy pot fairly quickly,and it's not hard on the fingers. -- Jim Yanik jyanik at kua.net |
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