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Over-run coupler- big mistake

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RussJ

10-27-2001 15:44:31




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Just got my 2N back together last night- all rebuilt, painted and runs great. Had a birthday party for my son today-had the kids for a hayride and all went just great. Later on I hooked up the hog to try it out ( first time ive used it) and just about ran into some trees because I couldnt stop the tractor. Im thinking my over run coupler must be froze up because that btush hog keeps turning for awhile hensc the pto shaft keeps turning. . Is this my problem? Its a good thing I didnt hit anything cause I just spent a week of vacation geeting the dents out of my hood and getting everything painted. Please help.

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doug vose

10-27-2001 17:39:50




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 Re: Over-run coupler- big mistake in reply to RussJ, 10-27-2001 15:44:31  
first of all, make sure that the roll-pin isn't hooked on the "free" part of the coupler. It should just connect with the stationary part of the coupler (the part of it in direct contact with the pto shaft). It doesn't have to be on it to much, because the only force against it is the pushing and pulling of the shaft, not the twisting. Also, make sure it is well, WELL, greased. I grease mine every time before I go out 'hoggin.

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doug vose

10-27-2001 17:37:39




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 Re: Over-run coupler- big mistake in reply to RussJ, 10-27-2001 15:44:31  
first of all, make sure that the roll-pin isn't hooked on the "free" part of the coupler. It should just connect with the stationary part of the coupler (the part of it in direct contact with the pto shaft). It doesn't have to be on it to much, because the only force against it is the pushing and pulling of the shaft, not the twisting. Also, make sure it is well, WELL, greased. I grease mine every time before I go out 'hoggin.

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Norman

10-27-2001 22:07:19




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 Re: Re: Over-run coupler- big mistake in reply to doug vose, 10-27-2001 17:37:39  
Response, I highly recommend an overrun clutch. Without one you have the exact problem with being pushed that you described. Yours must me wore out, or the internal roll pin is not centered inside correctly. Each time, prior to use, and prior to hooking up mower shaft, make sure that the over run clutch turns freely clockwise, and will not turn freely counter clockwise. I had one that the internal springs broke from fatigue and would bind inside, causing a problem as you described, but periodically. I took it apart and found the problem was obvious. Priced rebuild kit, and shipping. Inside had suffered some gouging damage as well that rebuild kit wouldn't fix. Considering price of kit, and that, I bought a new overrun clutch for $60.00. Been goin fine for years now, but I grease it often, and check it out on each hookup. Do not run without one. I started on an 8N mowing a farm of 66 acres at ten years old. Was nearly killed several times by being pushed into trouble by brushhog rotation. I've been pushed right off the seat by tree limbs and briars.

Good Luck, hope this helps.
Norman

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