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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Default 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

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Default 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

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Default 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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