Re: Arghhhhhhhhhh!

Re: VECTOR: Arghhhhhhhhhh!:) don't worry I won't. I think I will try the conductive epoxy method
  ----- Original Message -----
  From: John Robertson
  To: vectorlist@vectorlist.org
  Cc: simon
  Sent: Monday, August 28, 2006 5:03 PM
  Subject: Re: VECTOR: Arghhhhhhhhhh!

  DO NOT ATTEMPT TO SOLDER THE PIN - the tube could IMPLODE! SMall hot spots could seriously weaken the tube around the neck, most likely it would just crack there, but a bad failure could cause catastrophic loss of vacuum.

  John :-#(#

  At 6:44 AM +0100 8/28/06, simon wrote:
    Hi Jess
    Yes sounds like a job to wear googles for sure, I can see the end of the pin but I'm not sure if I can get it hot enough to tin. Worth a try I guess. Thanks

      ----- Original Message -----
      From: Jess Askey
      To: vectorlist@vectorlist.org
      Sent: Monday, August 28, 2006 1:58 AM
      Subject: Re: VECTOR: Arghhhhhhhhhh!

      I did this exact same thing on a G-07 Raster monitor about 20 years ago. The method I used is still going strong on mine....

      If you can still actually get to the tip of the broken pin the glass, I used a fine tipped soldering iron to tin the end of the pin in the glass. Then, I tinned the end of the broken pin. Holding the pin with a pair of needlenose pliers, I held the pin in position while applying heat with the iron on the pin. Once I felt the solder melt and the pin slightly push inwards with the slight pressure from the pliers, I held steady and took off the heat. This worked very well for me and I then put some epoxy around the base of the pin to support it better.

      Now, there are some inherent dangers in this I suppose (I was only 17 when I did this). My pin was a bit below the glass, so I just sort of ground down the glass edges with my soldering iron tip in a drilling fashion until my tip hit the broken pin base.

      I was of course doing this with my head turned and eyes closed for safety purposes. ;-)

      simon wrote:

        While testing the new transformer I snapped the focus pin of my 25" star wars CRT! bugger!

        The tube still has vacuum and I can see the end of the pin in the glass, has anyone got a good tip for fixing this?

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