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Harry Ferguson Tractors Discussion Forum
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Are ORC's supposed to break?

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Matt L

07-12-2005 08:09:17




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Bought a brand new ORC about 2 months ago and have used it ~4 hours. I was mowing a meadow for $ ( not bad for a tractor that aint supposed to run :D )
Most the grass I was knocking down was pretty heavy and hood high or small bushes. ( the ferguson dont like heavy loads all that much....) Mowing seemed to get real easy all of a sudden then WHAM !!!! and the tractor shook - didnt sound so good.
Pto didnt turn - so I went home and messed with the tractor - yup I killed the orc

Anyone ever break one?

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gshadel

07-12-2005 13:02:29




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 Re: Are ORC's supposed to break? in reply to Matt L, 07-12-2005 08:09:17  
Uhhh! Matt, your ORC should last quite a long time. You may have had a lemon. I have destroyed a couple of those thin, stamped 1 1/8 to 1 3/8 PTO spline converter sleeves... those things are junk. The solid converters shafts are stronger. I don't recall if the ORC's are packed with grease when you buy them? Or maybe the grease job is poor, I seem to recall greasing mine up real good before using it. Been running mine since '99, it's sloppy from wear, but still working good. I grease it up real good every Spring whether it needs it or not!

Also, maybe you already checked... make sure your mower gearbox didn't lock-up and cause your ORC to snap. Stranger things have been known to happen.

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John (UK)

07-12-2005 12:15:00




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 Re: Are ORC's supposed to break? in reply to Matt L, 07-12-2005 08:09:17  
If the tractor doesn't like the heavy load as you say, why not take a narrower cut for the first time? This would solve two problems, the tractor would like it and you may not break another ORC. I suppose you had the engine flat out too and not PTO speed.



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marlowe

07-12-2005 12:04:18




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 Re: Are ORC's supposed to break? in reply to Matt L, 07-12-2005 08:09:17  
we run [3] to-20s with ORC and will bust one a year but we cut 30 to 40 hr. a week and the only reason ours go is they don't grease them



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Cosmo

07-12-2005 10:12:12




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 Re: Are ORC's supposed to break? in reply to Matt L, 07-12-2005 08:09:17  
Matt, I have used mine on the 35 for several years through thick and thin (fire ant hills and all) and never broke it. I have sheared the soft bolt on the shaft at the gear box more than once though.:)



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Jeff-oh

07-12-2005 09:40:04




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 Re: Are ORC's supposed to break? in reply to Matt L, 07-12-2005 08:09:17  
There is a shear pin (roll pin) in them that I have broken before. Pull the greese zerks and pull out the pin remains and replace... Or did you really kill it?

Jeff



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Matt L

07-12-2005 17:54:47




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 Re: Are ORC's supposed to break? in reply to Jeff-oh, 07-12-2005 09:40:04  
I greased it when I stuck it on the tractor originally- so it had grease - even took it apart after I broke it to see if i could fix it- no dice it looked perfectly fine to me and no chunks or shavings still didnt work right after playing with it inner hub spun and the rest just sat there making noise

I took it back to where i bought . The John Deere dealer did replace it for free for me :D - Helps to be a regular there and I rhino line their gator beds for em id imagine


Tomorrow Im changing the trans fluid and going back to mowing - I'll see how it does

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Jim in OH

07-12-2005 10:23:30




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 Re: Are ORC's supposed to break? in reply to Jeff-oh, 07-12-2005 09:40:04  
A roll pin to transmit load??? The pin is just to keep the ORC on the shaft; the splines transmit the load... either the ORC failed (be hopeful) or something more serious happened like twisting off the PTO shaft inside.

Jim



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Jeff-oh

07-13-2005 05:31:16




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 I didn't say it. in reply to Jim in OH, 07-12-2005 10:23:30  
Huh.... Yea... Uhhh... I didn't have my coffee yet.

Jeff
(who is a wiping the egg off his face)



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