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In Reply to: RE: You might want to do a visual examination before you plug it in. posted by Ralph on April 09, 2020 at 12:46:37
Thanks Ralph. I just found a pair of Cardas posts this morning. Those other ones just look like trouble. I'll check all your other recommendations too. I tried to fire up my old Variac this morning but no output.
Follow Ups:
With no tubes in the unit, put a light bulb in series with the AC power and turn it on. The bulb will light up; if the caps are good it will go out in a few seconds, if not it will stay on or stay on dimly. But the light bulb itself will limit current so nothing gets damaged.
Yep. I plan on doing that Ralph.....I've worked on this Veriac for 10 years on and off with no luck. On a whim I checked the fuse again and found it tested good but then I noticed the ends were kind of dirty so I cleaned them off with 600 grit Emery paper and boom. It works. All that time and it was just bad contacts. Go figure.
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