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1st time using overrunning clutch

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Dale McElheny

09-14-2000 03:39:43

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I'm going to do some bush hoggin for the first time. I was looking at my overrunning clutch and am wondering what the purpose of the pin through it is. I feel stupid asking how to put such a simple thing on, but I want to make sure I do it right. Thanks in advance.

Dale

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Jon

09-17-2000 01:02:08

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Re: 1st time using overrunning clutch in reply to Dale McElheny, 09-14-2000 03:39:43

My PTO shaft must be a little mangled up in the area nearest the tractor. In order to get the ORC on all the way, I had to bump the end a couple times with a soft hammer. This holds it on tight enough so I don't need to pin it at all.

To remove it, I drop a long bolt through the hole, and use a slide hammer.

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Ed Gooding (VA)

09-14-2000 04:49:45

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Re: 1st time using overrunning clutch in reply to Dale McElheny, 09-14-2000 03:39:43

Hey Dale:

The pin is what attaches it to your PTO. You drive the pin out, slide the ORC over your PTO shaft gear, drive the pin through both to hold it (center it inside), screw a plug into one side of the pin hole, screw in a grease fitting on the other, pump that sucker full of grease (every time you use it), and mow away. Here's a pic showing the drift pin and plug partially removed:

Hope this helps..... ..... Ed
'52 8N475798

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Dale M

09-14-2000 05:00:09

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Re: Re: 1st time using overrunning clutch in reply to Ed Gooding (VA), 09-14-2000 04:49:45

Thanks Ed. The only thing that seems strange is that when my pin was installed, it didn't seem to be able to "free wheel" in one direction. It was as if the pin had the inner and outer works of the ORC tied together.

Dale

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Chuck (CA)

09-14-2000 07:24:38

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Re: Re: Re: 1st time using overrunning clutch in reply to Dale M, 09-14-2000 05:00:09

Hi Dale,
I pasted the quote from Ron's page that might help you understand your problem. Make sure the pin is not too long and doesn't extend beyond the center section of the ORC. Also, Like Ed said; load it up with grease and always keep it that way. Mowing without an ORC is really an accident waiting to happen. Fortunately for me, the only thing I took out before I installed mine was some field fencing. Maybe someday Dell will tell us the whole story about his wife's car.
Chuck

"This is the coupling attached to the tractor PTO. The coupling needs to be rotated until the holes in the coupling line up with the hole in the tractor PTO shaft. The spring pin is then driven into the hole to lock the coupling onto the tractor PTO shaft. Make sure the pin is fully centered in the tractor PTO shaft. If it sticks out too far either way, it may prevent the coupling from working properly. Test the coupling by spinning it with your hand. It should rotate freely in one direction and lock up when rotating it in the opposite direction."

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Ed Gooding (VA)

09-14-2000 05:45:17

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Re: Re: Re: 1st time using overrunning clutch in reply to Dale M, 09-14-2000 05:00:09

Dale, it should free-wheel in one direction and lock in the opposite direction when installed. Check out Ron's NAA ORC page by clicking here and this may help you understand it better.

Regards..... ..... Ed
'52 8N475798

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