[Test-Equipment] Tektronix T935A Scope - seized knobs

[Dave Harmon]

Right...you don't want contact cleaner.....

What you want is Caig Cailube MCL.
www.caig.com


Regards

Dave Harmon
K6XYZ[at]sbcglobal[dot]net
Sperry, Ok.

-----Original Message-----
From: test-equipment-bounces at mailman.qth.net
[mailto:test-equipment-bounces at mailman.qth.net] On Behalf Of Steve
Sent: Friday, July 23, 2010 8:29 PM
To: test-equipment at mailman.qth.net
Subject: Re: [Test-Equipment] Tektronix T935A Scope - seized knobs

At 09:04 AM 7/23/2010, you wrote:
>Sometimes a light grease like
>Tuner-Lub will work on old pots but most were intended to
>run dry.

I discovered a long time ago that Asian slider pots don't like being 
sprayed with contact cleaner. While it may clear up a scratchy pot, 
it causes the plastic shaft to bind and catch in the slot, making it 
impossible to adjust the pot smoothly.

Steve, K0XP


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