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  #1  
Old 04-29-2012, 12:00 AM
old_coot88 old_coot88 is offline
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Quote:
Originally Posted by bandersen View Post
When I tried testing this type 26 tube, I found dead short between the plate and filament. I pulled off the base to investigate and found the plate lead wrapped around the other 3

I untwisted it and reattached the base. Success!
Dang. That's a first for me. Somebody musta tried to unscrew the tube.
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Old 04-30-2012, 05:43 PM
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bandersen bandersen is offline
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Quote:
Originally Posted by old_coot88 View Post
Dang. That's a first for me. Somebody musta tried to unscrew the tube.
LOL - Maybe

Removing the RF coil assembly is fairly easy and really opens up the chassis.


The 0.5 uF caps in the box are leaky, but all the coils and small (mica?) caps test OK.
Grid leak resistor is a little high at 7M so I replaced it with 4.7M.


The cap box was easy to unmount and unstuff.
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  #3  
Old 04-30-2012, 06:52 PM
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Electronic M Electronic M is offline
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Quote:
Originally Posted by old_coot88 View Post
Dang. That's a first for me. Somebody musta tried to unscrew the tube.
You didn't happen to but it from the user TubeTwister did you? LOL.
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