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Ford 9N, 2N & 8N Discussion Forum
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Wear on ORC ?

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Pooh Bear

03-14-2005 20:57:46




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1949 8n. I can take the ORC and wiggle it up and down on the PTO shaft A LOT. Does that mean the ORC is worn out badly or is it my PTO shaft. How I can tell which one.
The PTO drive shaft going to the mower is in great shape. It doesn't wobble on the ORC shaft. The wear is either on the splined PTO shaft coming out of the back of the tractor or the inside splines of the ORC. How can I figure out which one.

Thanks.

Pooh Bear

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Paul Leske

03-15-2005 04:58:01




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 Re: Wear on ORC ? in reply to Pooh Bear, 03-14-2005 20:57:46  
If you have one of those cheap, Indian-made ORCs then the tolerances are very sloppy and it will wobble a lot. The one that I had kept popping the big C-clip and the whole thing would come apart when bush-hogging. Most of the big-box farm supply stores sell the cheap one (has gold color). The good one will not wobble and it is a black color. It was $20 more and I bought it at a local implement store, but well worth it.

If your PTO shaft was that loose you would be leaking oil all over the place.

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Dell (WA)

03-15-2005 00:02:47




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 Re: Wear on ORC ? in reply to Pooh Bear, 03-14-2005 20:57:46  
Pooh..... ...even BRAND NEW ORC's wiggle abitt after you install'em on the PTO shaft. Its just the way they're made. Yer the judge iff'n the wiggle is acceptable or excessive, butt iff'n it visually wobbles while powering yer cutter, I'd judge thats excessive..... ...Dell



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Bob

03-14-2005 21:16:22




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 Re: Wear on ORC ? in reply to Pooh Bear, 03-14-2005 20:57:46  
It it possible someone has put a ORC with 1-3/8" internal splines on the tractor's original 1-1/8" PTO shaft?

Also, there are thinwall PTO adapters to go from the smaller shaft to the larger size, and the are known to break into pieces and fall out. Perhaps your ORC was installed over one of those, and some or all of it has broken and fallen out of place.



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souNdguy

03-15-2005 07:04:12




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 Re: Wear on ORC ? in reply to Bob, 03-14-2005 21:16:22  
That's a good possibiliy. I hate those sheetmetal adapters. At bare minimum I'd use the stub extender that sized it up. and that's still iffy depending on what yo do. Mowing maybee.. but no PHD.. etc.

I'd guess between a cheapy sheet metal adapter and a cheapy ORC.. there could be nothing nore than a roll pin coupling it all together! (GRIN)

Soundguy



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