[Hallicrafters] [Hammarlund] Tuning capacitor grease info

[Carl]

That often becomes a temporary fix as the residue picks up dirt.
In the 50-60's we found that the rivets used to attach those wipers to the 
frame were the culprit and soldered them directly to the frame.
A good spray with your favorite fast acting grease and dust dissolving 
solvent right at the wiping point finishes the job. Since the best solvents 
of old are now banned by the nanny state I use disc brake cleaner that does 
not contain acetone.

Carl
KM1H


----- Original Message ----- 
From: "Al Parker" <anchor at ec.rr.com>
To: "Bob Fay" <rfay at charter.net>
Cc: "Hammarlund Radios" <hammarlund at mailman.qth.net>; 
<hallicrafters at mailman.qth.net>
Sent: Friday, December 16, 2011 9:36 AM
Subject: Re: [Hallicrafters] [Hammarlund] Tuning capacitor grease info


> Hi Bob,
> I usually use a small drop of synthetic oil, about 10-20 grade, or
> synth. gear oil to lube the bearings, some use a bit of Lubriplate or
> similar grease.  I use a paint brush to dust the plates.
> But, your scratchiness probably comes from the shaft sliders between
> sections.  A drop of DeOxit on each of them should cure that problem.
> 73,
>
> Al, W8UT
> www.boatanchors.org
> www.hammarlund.info
>
> "There is nothing -- absolutely nothing -- half so much
> worth doing as simply messing about in boats"
> Ratty, to Mole
>
> On 12/16/2011 8:27 AM, Bob Fay wrote:
>> What type of grease is used to lubricate the shaft bearings on tuning
>> capacitors? Also what is the best way to clean between the plates of the
>> tuning cap? The problem I am having is scratchy audio as the radio is 
>> tuned.
>>
>>
>>
>> Bob    WC0D
>>
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