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Do the “RECAP” correctly"
Using Tom Frobase's cap replacement kit is not the "correct" way to refurbish a receiver; it is an alternate way.
Tom's kits are very nice as I've looked at them before but on all the receivers I've recapped I've used just solder lugs or terminal strips. I've never had any problems.
As Tom's video says, the only one that's going to know what's inside the radio is yourself, so what it looks like doesn't matter, and I agree with him. In the decades I've been restoring radios, never once have I had someone come into my shack and ask to look under the chassis. If you're a purist, then you will certainly not want to use solder lugs, terminal strips, or Tom's kit as none of them are authentic -- you'll restuff the potted caps. I never restuff the caps; I just save them in a bag with the radio's serial number on it so when I sell it (or croak...) and my radios go to the next person they'll have the option to repot.
Interestingly, Tom seems to make a contradictory statement later in the video. He indicates that when using terminal strips etc there's no structural way to put the capacitors in the radio and it looks like crap.
If you're going to use your radio in an airplane going through air combat maneuvering then I'd worry about a good structural way to mount the replacement capacitors. Otherwise, solder lugs and terminal strips will be more than adequate.
I disagree with converting the filaments to 12V - that's just my opinion; YMMMV. Just buy or build a 28V supply and build a B+ supply. I used a HB HV supply for years then went over to an HP-23 that I picked up at hamfest; the LV output on the HP-23 with a dropping resistor works great.
Don't get me wrong, I'm not bashing Tom's kits -- they are very nice. If you have a supply of caps, solder lugs and terminal strips which a lot of us have, I would not pony up for the price of his cap replacement kit. If you don't, Tom's kits looka to be a good one stop shopping solution.
73 Mark K3MSB