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8N ORC Problems

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Gary

02-08-2000 08:31:10




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I bought an ORC from New Holland and installed in on my 8n. It wobbles. Is this normal? It seems to hold together as I mowed 15 acres with it this weekend. Thanks.




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dave(47 8n)

02-08-2000 16:36:10




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 Re: 8N ORC Problems in reply to Gary, 02-08-2000 08:31:10  
mine doesn't wobble on the shaft but when the thing is spinning it doesn't spin circular like, its spins more like in a slight oval shape..its like I have a bent pto shaft or something..works fine though

Dave



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8N-Jim

02-08-2000 10:25:44




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 Re: 8N ORC Problems in reply to Gary, 02-08-2000 08:31:10  
Mine has some looseness also and I mowed about 10 acres last summer - a few times. It seems to work ok when the mower is running so I haven't worried about it. I haven't noticed it gettting any worse.



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tlak

02-08-2000 09:13:23




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 Re: 8N ORC Problems in reply to Gary, 02-08-2000 08:31:10  
Is it properly installed? Install the roll pin through the inner part or the ORC and the pto shaft and grease the ORC well.



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Ken

02-08-2000 08:59:45




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 Re: 8N ORC Problems in reply to Gary, 02-08-2000 08:31:10  
It shouldn't wobble, did they sell you one that
adapted from 1 1/8" to 1 3/8" or was it 1 3/8" both female and male? It would wobble if it was a 1 3/8" as the PTO shaft on the 8N is 1 1/8"



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Dennis N Tx.

02-08-2000 08:56:45




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 Re: 8N ORC Problems in reply to Gary, 02-08-2000 08:31:10  
Yes and No. An original 50yo PTO shaft will over the years loose some of its original size due to wear and corrosion. This is normal.

I think there are alot of N's with the ORC wobble. I wouldn't recommend using it if it has a lot of wobble. This is a tuffy...you kinda have to make your own judgement since we can't see it, and you will still get differing opinions.

The proper thing to do is replace the PTO shaft and eliminate the wobble.
Over time the wobble might get worse as the parts wear each other...then you have a major safety concern.

Keep an eye on it and use your best judgement.

BTW...If you replace your shaft...replace your ORC also because it will have wear from wobbling on your old shaft, and it's back to square one.

Safe Hoggin'!

Dennis
8N48II82

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Gary

02-08-2000 11:22:33




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 Re: Re: 8N ORC Problems in reply to Dennis N Tx., 02-08-2000 08:56:45  
I think that you are right. I will use it as is for awhile. When I replace it I plan to go with the PTO shaft assembly that Just 8n's sells. It is easier to install. Since it has the big shaft I will also have to replace the ORC. Do you know if there is any sort of shield that I can bolt over the drive shaft to the mower in case one of the u joints comes apart? When I was younger and played around with hot rods we would always put a U shaped bracked around the drive shaft in case it came apart.

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Jim (M0)

02-08-2000 12:53:48




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 Re: Re: Re: 8N ORC Problems in reply to Gary, 02-08-2000 11:22:33  
When you order the shaft assembly check with Don. I think he has a shield that bolts on to the tractor that covers the ORC and the connecting u-joint. Plan to get one myself before spring.



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Dennis N Tx.

02-08-2000 12:31:24




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 Re: Re: Re: 8N ORC Problems in reply to Gary, 02-08-2000 11:22:33  
Yes, there are shields. USE THEM!

They are tubes that fit over the entire shaft and are usually made of sheetmetal or plastic/PVC and they telescope along with the shaft. They have bulb type ends that cover the u-joints. The shield turns freely independent of the shaft.

They can be purchased at an implement dealer.

BTW...they not only keep u-joints from spraying, but *helps* keep anything from attaching to the rotating shaft, ie., wire, clothing, long grass, hair(?), from tangling up in the shaft.....

Safe Hogging,
Dennis
8N48II82

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