CA, the early DC's as well as the CC's had a Twin Disc type clutch with the same lock pin style as the later over center PTO clutches.It had three fingers, no links, just a cone that when pulled back rode the fingers up itself and pushed a pressure plate The 39 we have originally had a pull back to engage clutch. the adjusting pin on those style clutches was between the fingers and was pulled out to release the hub to turn it to adjust it. It sounds to me as if he has it to tight as the fingers ride up a cone and snap in a slight hollow at the top of the cone to lock it. Also it is a bit odd as the lined plate is bolted to the flywheel and the "pressure plate" hangs on the trans mainshaft. I'd back it way off until it was loose and then bring it back up to find where it snaps over center. mEl
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Today's Featured Article - Old Time Threshing - by Anthony West. A lovely harvest evening late September 1947, I was a school boy, like all school boys I loved harvest time. The golden corn ripens well and early, the stoking, stacking,.... the drawing in with the tractors and trailers and a few buck rakes thrown in, and possibly a heavy horse. It would be a great day for the collies and the terrier dogs, rats and mice would be at the bottom of the stacks so the dogs, would have a busy time hunting and killing, all the corn was gathered and ricked in what we c
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