[Premium-Rx] Lubricants for electronics

[Peter Gottlieb]

Interesting, thank you.

Peter


On 10/24/2014 1:49 PM, watkins-johnson at terryo.org wrote:
> My two preferred lubricants for electronics are Mobil 1 for places
> requiring a thin lubricant that doesn't squeeze out and Phil Woods
> Waterproof Grease (designed for bicycles) for places requiring a thicker
> lubricant.
>
> I started using Mobil 1after a tip from the R-390 users group.  In my
> experience with multiple premium receivers it doesn't creep onto
> surrounding surfaces.  I would use this on a tuning shaft any day.
>
> I first used the Phil Woods Grease while rebuilding my second R-389 (I was
> young, strong, and foolish once), which has the most leaden manual tuning
> knob of any receiver I've ever owned.  It didn't work miracles but the
> tuning was much better than the first one I rebuilt.
>
> Once of the stranger lubricant tricks I ever picked up was from a guitar
> amp technician.  If you have a noisy and irreplaceable potentiometer,
> Lock-Ease graphite lock spray works great for filling in the noisy pits on
> a degrading pot.  The trick is to use it sparingly and infrequently.  This
> is a tip that can go bad in electronic circuits in a hurry, but sometimes
> it's the only option.
>
> Terry O'
> http://watkins-Johnson.terryo.org
> http://BlackRadios.terryo.org
>
>
>> Hi Boris!
>>    I would caution against using silicone spray in electronics: When I was
>> in industry, it was explained to me that silicones can break down into
>> lesser products, i.e. Silicon Dioxide (SiO2), or sand!  It might be
>> permissible to use it on a shaft, but I would rather use something like
>> Kroil, or another penetrating oil to get a stuck part moving, then
>> gradually work more light oil into it to flush out rust, and afterwards
>> use a drop or two of heavy synthetic oil.  Just my two cents worth...
>> 73,   Tom Herman, PhD., CETma. N1BEC/7
>>
>>> From: ua3mcj at mail.ru
>>> To: cfuller1 at gmail.com
>>> Date: Fri, 24 Oct 2014 08:39:21 +0400
>>> CC: Premium-Rx at mailman.qth.net
>>> Subject: Re: [Premium-Rx] Collins HF-2050
>>>
>>>   Hello Chris,
>>>
>>> At first find location of bearing in main tuning shaft, spray it with
>>> Silicone Spray, rotate knob back and forth some few minutes it became
>>> ease to move after that.
>>> Then add  few drops of synthetic oil ( oil must NOT became dry with the
>>> time).
>>>
>>> Make some inspection, probably  few more bearings there, if so do the
>>> same with them.
>>>
>>> Also check for rust in the shafts sleeves there, if yes, use rust
>>> remover.
>>> Remove dust, dirt with pressed air if compressor available. Remove all
>>> old, dryed grease if used in and replace with fresh one...Then enjoy
>>> with smooth tuning knob rotation...
>>>
>>> B.R.
>>> Boris
>>> UA3MCJ
>>>
>>>
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>
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