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6x6 Technical Questions > T-20 Transmission
min drum/ max band dia
ascaw:
Try this link: http://www.6x6world.com/forums/transmissions/5559-resurfacing-drums.html
This is from Racerone3. It's the #5 reply. Check out the whole thread, it is short and may help you out some more..
i ran some #'s on it today and here is what i figured out.
current diameter is 6.215" multiply by pi (3.14) = 19.5151" circumfrence
minus ten thousandths is 6.205" times pi = 19.4837"
subtract and come up with a difference of 0.0314"
the bands in the T-20 wrap the drum 2 1/2 times, so multiply 0.0314 by 2.5
and the difference in the distance the band has to wrap around is 0.0785 inches. on the plunger adjustment bolts (3/8 24) that works out to about 2turns
i ran my #'s by one of the engineers at work and he said it sounded right to him.
garretttpe:
perfect thanks, I guess the only other question is .030 from what? What would a new drum DIA be?
again thanks
ascaw:
Try this link: http://www.6x6world.com/forums/transmissions/25349-t20-rebuild-kit.html#post137529
Msafi65 says "The drums can be refinished in a lathe by removing as much as .030 inch of material". Of course you will probably need thicker bands. Read his entire answer and the entire thread. This should help you.
garretttpe:
Hi Guys
2000 Max II, in 2012 ish I had to turn one of my drums down as it was pretty bad, had the bands realigned by transmission crafters. was a bear to adjust everything as all the drums were diff sizes but i did and and it has driven great ever since, Now I want to "do it right" so what would the min drum dia I can go too and the max thickness of bands I can use? Now I am back in ATV country I want to get this done maybe over the winter, Also when turning them do you make them smooth as silk or slightly rough as a brake rotor? Had no clue what was doing then but thought I did, but now I have a little clue now, At least I know questions to ask.....LOL
thanks guys
Larry
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