PTO shaft on rotary mower won't extend to fit on the PTO. Chained mower to 3/4 ton Chevy & pulled on end of shaft with tractor. Just drags the pickup back. Left it hanging in the air by the end of the shaft. Tomorrow I'll chain it to a tree & pull with the tractor. Anybody know a cure so it never happens again? Never-seize?
- Thread starter 2x4
- Start date
Russ from MN
Well-known Member
- Location
- Bemidji MN
They recommend greasing them occasionally, but it could be twisted.
Anonymous-0
Well-known Member
chain it to two tractors and have a tractor pull // lots of penetrating oil ,, maybe some heat ,, if its not bent or twisted ,,it will come apart fairly easily
Dan T in MO
Member
On my sickle bar mower, some jack wagon previous owner welded the 2 pieces together. I swear, some people should not be allowed anywhere near a farm
I bought a mower with a stuck shaft . It had a plastic gaurd . Turned out the plastic was stuck and after I cut it off the shaft slid freely . Neighbor has a shart with a metal gaurd that is stuck , he keeps shootin lube between it but it wont move , gona have to cut it off .
lee little
Member
I have had to on occasion heat them with a torch.Just don't stand in front of it as moisture in the shaft can turn to steam and push it off. Sometimes the old grease seems to cement it together.
I've had mine "stick" when it's been pushed all the way in and it can't be pulled by hand but banging with a hammer while pulling with a chain fall usually freed it up. One time when that didn't work was when it was bent. I got it out but it would not move freely after that. Ended up just replacing it.
old
Well-known Member
- Location
- Camdenton Missouri
Sounds like a lack of maintenance to me. One should grease those shaft up often to keep that from being a problem. That said stand the shaft up then pour ATF into the area of the shaft where it slides and let it sit a few hours before you try to do any pulling on it. If you can pull the grease zirks out and also pour ATF into them
Part Time Pete
Well-known Member
- Location
- Leatherstocking Region NY
It might be twisted. If your slip clutch is stuck or your shear bolt is too hard that can happen.
If you get it apart, take the cover off and check. If it's got a twist in it, it can be hard on your tractor PTO
Pete
If you get it apart, take the cover off and check. If it's got a twist in it, it can be hard on your tractor PTO
Pete
Tried it few times, mostly without success-tied one off on my winch truck with 30k pto winch once, after days of diesel/oil soak. heat, hammer, than pull all chains would stand. decided this was losing deal + way too dangerous. took cut-off wheel & split, saved inner slide for another. later, found tri-tube was really pretty cheap til you got into HD. way easier. .
I try to avoid heating a metric shaft profile tube if at all possible. First line of attack is a good penetrant. I use 'combustion chamber cleaner'... that stuff will eat it's way through the dried grease and soften everything up. Apply it, tap the tubes with a hammer, apply more, etc. If it doesn't loosen, then hook onto the end of the shaft with a tractor or whatever is handy and tension it up. I use a chain to hook to the shaft. Once you draw it tight, then start pounding on the outer yolk. It will usually give up. This is assuming the shaft isn't just bent. If that's the case... either drive the pins out that retain it in the yolk or cut the welds where the tube is joined to the yolk. If you do that MARK where each profile is located on the yolk or at least have the presence of mind to correctly phase the shaft yolks before you weld the second one in place.
Rod
Rod
The last owner put the 3-sided pto shaft together wrong. As you may know, 3-sided shafts only go together one way; you have to line them up correctly. This has to be done by looking at the shaft ends & seeing that two corners are one shape & the third corner must match up with the 3rd corner of the other half of the shaft. I bought the tractor with 'hog attached. Sold the tractor & kept the 'hog. Tried to put the 'hog on another tractor but the pto shaft wouldn't slide. Suspended it by the yoke off the ground for 24 hours, then beat the yoke with sledge; didn't move. Lowered the 'hog to the ground & pulled chain tight & beat on yoke/chain. Had to beat til only quarter inch held the halves together, then it came. No rust whatsoever, just old grease the whole length. The former owner or his helpers had driven the mismatched halves together! Lined up the shaft ends correctly & slid together easily. Some people should not be near a farm.
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