[AMPS] Resoldering 3-500Z Filament Pins ??
   
    Rich Measures
     
    measures@vc.net
       
    Wed, 31 Mar 1999 18:35:14 -0800
    
    
  
>
>  Wondering if anyone has had much success in resoldering the filament pins
>on a 3-500Z? A friend of mine has a couple tubes that the solder has melted
>out of the pins due to faulty sockets. He is wondering if there is any
>special technique that has worked well for any of you or are the tubes a
>write-off?
>
Lay tube horiz., remove old solder with solder-wick, apply liquid rosin 
flux with syringe, let dry, resolder with 6% silver/94% tin solder, add 
helper clip-springs on pins 1 and 5 of tube sockets, polish contact 
survaces lightly with extra-fine steel wool.    
Rich...
R. L. Measures, 805-386-3734, AG6K, www.vcnet.com/measures  
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