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How to fix splines

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HiK

12-21-2000 14:04:06




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How's the best way to repair the splines on the crankshaft of a 60 where the clutch drive disk attaches? The bolt broke off and it got loose and wore them pretty bad (owners before me, of course). I just need to fix it good enough to sell (not going plowing or anything) and I'd like to do it with the belt pully on. The wheel's seized on, so it'll be difficult to take the pully off. Any ideas would be appreciated.

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HiK

12-23-2000 15:22:31




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 Re: how to fix splines in reply to HiK, 12-21-2000 14:04:06  
I didn't mean to sound like I was just trying to cobble it up a bit, but I've heard of guys using JB Weld to fix up splines, and was wondering if anyone had a good way. I was able to find a good drive disc, and soon realized that it was more the drive disk that was worn than the crank. The splines were almost the correct width, and with a lot of filing I got the disk to fit. Turns out that the end of the crank was mushroomed a bit, so that's why I had to file a lot. It seemed pretty soft, arent they supposed to be hardened more at the end? Fits on now just like it's supposed to.

As far as selling it, the bearings worn on the belt pully, the other drive disk is chattering a bit, and the bolt was twisted off in the end, so anyone with any sense of two-cyls will know it needs some work. There's nothing I hate worse than when people cobble it up to sell, then it goes wrong....that's how I ended up with this one in the first place, and is why I'm trying to fix it. Thanks for your input though.

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motrack

12-22-2000 03:59:17




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 Re: how to fix splines in reply to HiK, 12-21-2000 14:04:06  
I hope you are honest enough to tell the guy who buys this from you about the quick fix repair you made.



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DP

12-21-2000 20:17:02




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 Re: how to fix splines in reply to HiK, 12-21-2000 14:04:06  
Just my two cents worth, but why not fix it right? A crank and drive disc wouldn't be that bad, and you would have a good tractor to sell. I personally would come unglued if I bought a tractor that had been cobbled like that. You wouldn't have to disassemble the whole engine. I replaced the crank and drive disc on my 52 A because of the same reason. Just unbolted the pistons, and pushed them ahead as far as they would go. That gave room to slip the cranks out and back in.

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clooney

12-21-2000 19:35:32




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 Re: how to fix splines in reply to HiK, 12-21-2000 14:04:06  
KiK, depending on how bad the wear is you can cut pieces of hack saw blade & slide a piece in the bottom of the splines & a narrow piece at the side of each spline. You wll actually have to break the hacksaw blade to the size you need as those blades are pretty tough. Just make sure you tell the poor guy thats buying it what you did as that is just a temporary repair, there is no permanent repair I know of short of an undersized drive disk or welding & re-working the crank with a new drive disk that will hold up for long under load.

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