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Re: [Amps] First Power in 25 years question

To: amps@contesting.com
Subject: Re: [Amps] First Power in 25 years question
From: Dave Cole <dave@nk7z.net>
Date: Thu, 8 Apr 2010 18:01:12 -0700
List-post: <amps@contesting.com">mailto:amps@contesting.com>
Thank you Gentlemen!!!


On Thu, 8 Apr 2010 11:59:34 -0400
"Tony Brock-Fisher" <barockteer@aol.com> thus spake:

> Non-6100 specific advice:
> 
> The big concern is primarily the electrolytic caps. Depending on the power 
> supply design, you could first pull out the rectifier tubes (assuming its not 
> solid state) and power up slowly from a variac watching for smoke. Bring it 
> up slowly, 5 volts every 5 minutes. If all is well without the rectifiers, 
> turn it off and plug them back in. Repeat the slow power up, but maybe give 
> it a long time around 80VAC (or whatever line voltage gets the rectier 
> filaments hot enough  to start making HV), maybe 24 hrs. Check for 
> appropriate voltages out of the power supply - if any supplies are not coming 
> up, suspect a shorted cap in that one.  You want to check any electrolytics 
> carefully during the process. Feel them (watch out for HV on the cans) to see 
> if they are warm. If they are bad they will get warm/hot, and may start 
> leaking, or even go bang.
> 
> Good Luck!
> 
> -Tony K1KP
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