Posted by John S-B on July 11, 2019 at 19:19:05 from (24.208.231.116):
In Reply to: Baler questions posted by Grandpa love on July 11, 2019 at 15:37:46:
Grandpa, I just bought a MF 120 baler, and that clutch looks to be the same as yours. It had been sitting at a dealer's lot for a while, so I got a good deal on it, new tires and seemed to be low usage. I found the clutch would not engage in either direction. Looking at the manual it has a sprag clutch, which if you're not familiar with it, there are a bunch of hourglass shaped bars that surround the input shaft, and they will allow the flywheel to spin when you shut off the tractor pto, and engage when you engage the tractor pto. I found that there was a little corrosion in there from sitting outside. I cleaned it all up and it still slipped both directions, but then I noticed that the little sprag pieces are NOT the same on both sides. On side has more material on one side of the hourglass. The pieces can come out of the cage easily, and it was obvious that someone had taken the sprag clutch apart before from some nicks on the brass insert. A few of the sprags were in the wrong way. Once I got the pieces all in the right way, it worked perfectly. You can still get new sprag assembly for around $350 from the dealer. A whole new clutch assembly is $450 from a dealer in the UK, but shipping is around $400 with import fees and such. For $300 you almost could get your money back in scrap, but parting it out would most likely bring a profit. So IMHO it's not a bad deal. You can probably fix the sprag. The only other thing is the knotters, those are NOT cheap, IF you can find them.
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