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Post by jamshundred on Oct 26, 2019 2:53:34 GMT
Managed to bend the PTO shaft. The shear pin snapped but I can not get the two holes to line up so I can get the broken shear pin out. Have tried everything but the edge of the shear pin is blocking the shaft from turning. I have never tried drilling out a pin. Is that possible......or is there a better way?
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Post by genebo on Oct 26, 2019 15:24:05 GMT
These things are hard to work on and a replacement PTO shaft may be called for. That takes care of the bent shaft and broken shear pin and gives you new end yokes. Also all of the safety shields. Agri-Supply carries a large selection. The most common ones are not very expensive. You have to know what types of end yokes it needs and the extended length. Order one and get it in about a week or I could pick one up for you and bring it to you on Monday. Here's one that works up to 33" extended, with a 1 3/8 x 6 spline on each end. This fits a lot of equipment and tractors and only costs $55.99 plus shipping. You might be able to find a place where they stock it near you. www.agrisupply.com/pto-shaft-series-1-33-in/p/89795/ |
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Post by jamshundred on Oct 27, 2019 2:06:41 GMT
Gene, i had to buy a new PTO shaft and I am trying to slide it on to the __________(cannot think what it is called), but I cannot pull off the old shaft because the shear pin is broke off and holding it on, and I cannot line up the holes on the old shaft and the part I cannot name so I can punch out the broken shear pin. I am sooooo close but about an 8th inch or less away from success. Mechanics tests my pace and temper. Gene, here's a photo. The check mark shows where the PTO drive attaches at the shear pin. The PTO has two parts. . .. . . . one part attaches to the tractor PTO and slides back and forth inside the other half which attaches to a "knuckle" (correct name eludes me), which attaches to the gear box shaft. The rear(second part) of the drive shaft cannot be removed from the "knuckle" section because the shear pin snapped but apparently also bent a little and it holding it so I cannot line up the holes and knock out the shear pin to attach the new PTO drive and get to work! Someone a powerful magnet might move the shear pin enough to be able to align the holes? Another suggested drilling out the pin but that gives me more than a little pause because I am havoc looking for a place to happen. BUT. . . .. if that is the best option then I will go for it.  |
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Post by genebo on Oct 28, 2019 0:29:21 GMT
Maybe you can get a vise-grip pliers on the shaft, then put a bar or big screwdriver in the yoke and get enough leverage to turn the yoke on the shaft to align the pin.
If you got a new yoke with the new PTO shaft, you can use a grander to completely cut the yoke down to the pin on both sides. Then knock the pin out.
If that is not clear, give me a phone call and I will expound.
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Post by genebo on Oct 28, 2019 0:31:17 GMT
Drilling the pin out is a last resort. Try not to damage the pin hole. It needs to fit the new pin properly in order to shear at the right time.
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Post by jamshundred on Oct 28, 2019 12:43:02 GMT
Ok. Busy with other things today. Thanks for help. Update in a couple days
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Deleted Member
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Post by Deleted on Oct 28, 2019 15:10:20 GMT
depending on what the underside of the mower looks like you can use a log chain to hold the blades from turning and a pipe wrench on the pto shaft to get it lined back up.
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