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Farmall & IHC Tractors Discussion Forum
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About PTO clutch?

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Tom Windsor

12-09-2006 20:34:44




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Farmer neighbor is giving me continuing advice about my H, he is hard to hear and I mostly listen to him talk.

He was over today and said "If you are going to be pulling that bush hog, make sure you go to Tractor Supply and get a clutch for the PTO" I gathered that it was a device that attaches to the PTO shaft.

He gave me a reason that I did not understand. Can anyone translate what he is talking about?

TW

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Tom Windsor

12-09-2006 20:54:29




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 Re: About PTO clutch? in reply to Tom Windsor, 12-09-2006 20:34:44  
"The ORC prevents the inertia of the spinning blade from driving the tractor (dangerously) forward, after the operator has depressed the clutch on a NON-LIVE PTO tractor"

This is consistent with what I think he was saying. Does that mean I have the NON-LIVE PTO on the H?? and that I should get this ORC? (the word "dangerously" is sticking in my head)



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williamf

12-10-2006 04:37:41




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 Re: About PTO clutch? in reply to Tom Windsor, 12-09-2006 20:54:29  
Everybody's right again.
My first experience with that effect was on an 8-N (like the H, non-live pto) and bush hog that came with a place my parents bought thirty-some years ago. Got to the end of the pasture, pushed in the clutch - stood on brakes - rolled right on into the fence.
Somebody had been using that tractor for decades without an ORC, but I never did again.
Good luck,
Wm
PS ORC is cheaper than ER.

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Clarkbug

12-09-2006 21:10:35




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 Re: About PTO clutch? in reply to Tom Windsor, 12-09-2006 20:54:29  
Hi Tom.

My guess is consistent with everyone else, that he meant the over-running clutch.

Your H does not have a live PTO (you push in the clutch, the PTO stops).

You definitely need the ORC if you are going to use a brushog with your machine. This way when you push in the clutch, the blades will spin down on their own, and will not impact the driveline of the tractor.

Consider it to be as essential to the operation of your bush hog as the blades.

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old

12-09-2006 21:08:08




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 Re: About PTO clutch? in reply to Tom Windsor, 12-09-2006 20:54:29  
Yep you need an ORC on an H because they don't have a live PTO. Believe me it can be fun useing a brush hog with out an ORC on a non live PTO tractor, and not fun in a good way, not good when you end up with the front of a tractor in a tree or worse haveing barb wire holding you to the tractor because you just went through the fence. Drop me an E-mail and I'll show you what can happen with out one.

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Sam#3

12-09-2006 21:02:40




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 Re: About PTO clutch? in reply to Tom Windsor, 12-09-2006 20:54:29  
Yes!
Yes!



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CENTAUR

12-09-2006 20:53:51




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 Re: About PTO clutch? in reply to Tom Windsor, 12-09-2006 20:34:44  
He is telling you to get a overrunning clutch which is a must to keep you safe.He is looking out for you.This will allow you to stop before you run into a tree,pole or ditch or ? As the tractor will continue to go with out this clutch.CENTAUR



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Bill Geer

12-09-2006 20:53:12




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 Re: About PTO clutch? in reply to Tom Windsor, 12-09-2006 20:34:44  
Tom
I'am not a expert by any means. I beleve he is talking about a over riding clutch. This goes on the shaft of the tractor.
What it does is lets the shaft on the hog free wheel when you push in the clutch pedal on the tractor. So the momentom of the mower will not push the tractor. Bill



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Bob

12-09-2006 20:44:59




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 Re: About PTO clutch? in reply to Tom Windsor, 12-09-2006 20:34:44  
There are two types of clutches he may be talking about... a torque-limiting slip clutch that will slip if the mower hits an obstruction, rather than tearing up the driveline, or an ORC... (overrunning clutch), installed on the PTO shaft when a tractor WITHOUT live PTO is used to power a rotary cutter.

The ORC prevents the inertia of the spinning blade from driving the tractor (dangerously) forward, after the operator has depressed the clutch on a NON-LIVE PTO tractor.

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