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[Amps] Henry Repair

To: amps@contesting.com
Subject: [Amps] Henry Repair
From: Dennis OConnor <ad4hk2004@yahoo.com>
Reply-to: ad4hk2004@yahoo.com
Date: Sun, 23 Nov 2008 07:20:26 -0800 (PST)
List-post: <amps@contesting.com">mailto:amps@contesting.com>
While you are in there install a fan to blow on the ballast resistors... The 
reason your ceramic mounts break is heat build up on the resistors where one 
end of the ceramic is HOT and the other end cold... Ceramics don't like that...
And while you are in there inspect your ballast resistors,,, Any that show a 
band of color change on the glaze need to be replaced before they fail - unless 
you are into emergency repairs...
And if you have not already, arrange for the 220 power to the amp to be OFF 
when you are not using it... The low voltage supply for the relays is on all 
the time, leading to premature failure...

denny / k8do


      
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