Definitely do the bleeders too. I would also consider laying a slow turning fan on the top to assist in drawing out the hot air. I just place four little rubber bumpers on a 4" fan (so it doesn't scoot) and run it at about half voltage. Heat buildup is your enemy.
Dennis AE6C On Thu, Oct 1, 2009 at 8:51 PM, Richard Radke <[email protected]> wrote: > Brian, > > I've done Mike's (The Heathkit Shop) rebuild. 1st rate, clear > instructions, pretty simple. Replaces most everything but the 50K bleeders > and the bias resistor. Jeff at Harbach has those available. I'd do those > also. > > Rick > W9WS > > > > > On Oct 1, 2009, at 8:41 PM, [email protected] wrote: > > I picked up a L7 from ebay. The amp itself looks to be in excellent >> condition but the power supply is a different story. It looks like someone >> started to take it apart to rebuild the boards but they only got as far as >> removing one of the boards. Before I try to rebuild the existing boards (I >> think I have most of the parts to do it) should I just go ahead and get one >> of the replacement/upgrade single boards? Along those lines can anyone >> suggest either the board from The Heathkit Shop or Harbach? >> >> Since the power supply has already been partially dismantled is there >> anything I need to watch out for when rebuilding it (either with the >> existing boards or the upgrade board)? >> >> Lastly... does anyone know what kind of screws were used on the case for >> the PS? This one is missing all of the screws. >> >> >> >> Thanks >> Brian >> KD4UYP >> >> >> >> _______________________________________________ >> Drakelist mailing list >> [email protected] >> http://mailman.zerobeat.net/mailman/listinfo/drakelist >> >> > > _______________________________________________ > Drakelist mailing list > [email protected] > http://mailman.zerobeat.net/mailman/listinfo/drakelist >
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