[Amps] Cleaning Roller Inductors

[EP Swynar]

Hi John,

I use a soft cloth soaked in isopropyl rubbing alcohol to wipe clean all of
my roller inductors (employ one ach in my transmatch, as well as me HB
linear amplifier)...

I hold the dampened cloth against the coil body & turn the crank a few
times, back & forth (amazing how blackened the cloth becomes from grime &
dirt previously unseen!).

The final touch is made by adding a couple of DROPS of castor oil onto the
roller mechanism, & all moving parts.

This technique has worked for me in excess of 30 years now.

~73~ Eddy VE3CUI - VE3XZ


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----- Original Message ----- 
From: "John Farber" <kg6i at hughes.net>
To: <amps at contesting.com>
Sent: Sunday, August 31, 2008 7:53 PM
Subject: Re: [Amps] Cleaning Roller Inductors


> I recently purchsed a 25 year old Nye-Viking model MB IV tuner. All looks
> good inside but upon testing it seeems I need to clean the  moving contact
> areas of the roller inductor. Any ideas will be appreciated, thanks.
> John Farber, KG6I
>
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