[Hallicrafters] Repotting Transformers.

[BOB D.]

Maybe we are not getting all the details ...

But what happened to the vacuum cleaner after it sucked up all the hot 
transformer varnish ....

Don't think my XYL would be too happy about that ..

Whitey K1VV


----- Original Message ----- 
From: "Roger K8RI" <hallicraftersgroup at rogerhalstead.com>
To: <Hallicrafters at mailman.qth.net>
Sent: Friday, July 29, 2005 2:51 PM
Subject: [Hallicrafters] Repotting Transformers.


>I may have mentioned this before, but in case I didn't:
> A friend of mine fashioned a metal canister with a fitting on the top that 
> would allow him to connect a vacuum cleaner.  He'd fill the container with 
> enough "hot" transformer varnish so he could completely imerse the 
> transformer without the thing running over.  The transformer, sans covers, 
> was then lowered into the varnish, the cover placed on the canister, the 
> vacuum cleaner hooked up and turned on.
>
> I don't think he'd run the vacuum cleaner for more than a minute, then 
> while the varnish was still hot he'd let the air back into the canister. 
> That would force the varnish into small internal places that would never 
> be reached by dipping alone.  It doesn't take a big vacuum system to do 
> this.
>
> Roger Halstead (K8RI and ARRL 40 year Life Member)
> N833R - World's oldest Debonair CD-2
> www.rogerhalstead.com
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