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Pto sleeve w/ 501 sickle bar keeps breaking.

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Old Henry

09-27-2001 18:55:52




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Can anyone tell me why the pto shaft sleeve (adapter) which is required for the 501 mower to hook up to my 56 Ford 640 keeps breaking when I mow. I have been though several (made in India) from Tractor Supply. Thought it was cheap metal casting so I paid a little more and got 2 from the Ford dealer. Trashed the second one tonight. More agrivating than the wasted $12 was the last few rounds I had to let stand. ????? ?? Thanks!

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Robert in W. Mi.

09-28-2001 18:57:29




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 Re: Pto sleeve w/ 501 sickle bar keeps breaking. in reply to Old Henry, 09-27-2001 18:55:52  
Is your PTO shaft binding up when you are mowing? (too long) If so, you may need to cut a little off both ends where they go together. Hope this helps, Robert



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Old Henry

09-28-2001 20:14:42




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 Re: Re: Pto sleeve w/ 501 sickle bar keeps breaking. in reply to Robert in W. Mi., 09-28-2001 18:57:29  
It does seem that the mower shaft may be to long. I can't disconnect the pto shaft with the mower hooked up. I thought about cutting the shaft to shorten it, but I discounted that idea when I realized my first instinct to fix anything that isn't quite right is to grap a saw or a bigger hammer. lol. Figured it was designed like that for a reason. (maybe the mower shaft had been replaced at some point with one a little longer.) This has all been great advice. I'll take another look at it.

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Jerry D in NC

09-29-2001 06:23:32




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 Re: Re: Re: Pto sleeve w/ 501 sickle bar keeps breaking. in reply to Old Henry, 09-28-2001 20:14:42  
Mr Henry, You have to remember that by adding the adapter you have added 3 inches to the PTO shaft and if I remember correctly the N Series lift arms are about 2 inches shorter than the rest of the old ford lines. This mower was designed for the later mowers and I am sure the shaft is at least 3 inches too long. Now care should be taken because shortening that shaft may make the next owner a bit upset when he goes to hook it up to a later model but what would concern me more is the angle you will get with the lift fully raised and the PTO running. Paul had the right idea. get the shaft changed and cease using the adapters. Probably could have paid for it by now in the cost of adapters.LOL

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paul

09-27-2001 19:19:50




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 Re: Pto sleeve w/ 501 sickle bar keeps breaking. in reply to Old Henry, 09-27-2001 18:55:52  
There isn't clearance for a longer adaptor, so you are using one of those thin ones to bring the pto up to the regular size, right?

My IHC H has the small pto, and I never had any luck with those sleeve adaptors. Always fall apart. You might want to consider bringing your tractor pto shaft up to the proper size to begin with (I hear a little over $100 to do?) or, buy a smaller knuckle for your mower and install that.

--->Paul

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Old Henry

09-28-2001 04:20:55




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 Re: Re: Pto sleeve w/ 501 sickle bar keeps breaking. in reply to paul, 09-27-2001 19:19:50  
Thats exactly what I'm using Paul. I quess I could change out the pto shaft to the larger size. My tedder requires the same hookup. I don't have any implements that take the smaller size. I would still need to use a slip clutch adapter w/ the baler. Do they make one to fit over the larger pto shaft? I wonder why they used the smaller one to begin with. Must have been some implements that hooked straight up? The old ford is all original... kind of hate to change from that but mostly it is a working tractor & having those sleeves break is a real pain. Is the change out a relatively simple process?

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paul

09-28-2001 12:03:10




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 Re: Re: Re: Re: Pto sleeve w/ 501 sickle bar keeps breaking. in reply to CR, 09-28-2001 11:33:56  
The problem with pto extentions is that the 501 mower really doesn't have room for it, the pto already gets very close to pushing into the tractor.

Most balers already have a slip clutch/overrunning system?

--->Paul



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