I'm just to give a scale of a timeframe...
Another member that coached me a little bit when I did mine managed many transmission shops in the day said that if one of his guys couldn't rebuild at least three of these in a day they wouldn't have a job very long. Now with that said I wouldn't expect any of us with non professional tools to do that but in the long scheme of things if it took you a week or so to play with the internal parts and get it right you can imagine the care that will be given...
Besides maybe buying a couple quality snap ring pliers there's really only one special tool needed to release and compress the rear drum... Instead of buying that tool I used a piece of c shaped metal and my vise...
I use this same exact technique on an old Ford 2 speed transmission as well...
I'll see if I can find a picture...
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So you can see the piece of c metal pushing against it in the vice?.. it was just a little too narrow in the spread so I had to put the piece of metal on the floor and hit it on its back side to spread the little legs a little further apart to get the perfect spread to cradle... But very simple instead of buying some fancy-schmancy tool...
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Don't get overwhelmed just take one section out at a time then rebuild each section one at a time and put them back in one of the time. Bag and tag all your little parts and take plenty of pictures...
