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Discussion Forum

'51 8N 3pt levers

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05-27-2003 09:07:19

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Need some help. Just bought my first tractor. Without buying an owners manual, can someone please explain what the short lever to the right of the seat does? Not the one that raises and lowers the 3pt, the other one. I'm having a problem with using a brush hog. I've attempted to use it once and was a little fustrated. I had finally got it working and then the day was cut short by another problem. Trying to keep the brush hog at a certain level is touchy and then when you want to raise it to avoid obstacles and then lower it to where you had it is another problem. Now remember, I've only tried it once. A little insight and experience with these two levers will be much appreciated. Is there and override kit to make the PTO live? and is it a task to install?

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05-28-2003 04:53:28

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 Re: '51 8N 3pt levers in reply to Sue, 05-27-2003 09:07:19  
To add onto what was already mentioned;

You can install a lock on the quadrant that allows you to raise an impliment, and then return it to the exact same position. Can be handy. A nut and bolt will suffice btw.

The hydraulic pump on the 8N is driven by the PTO shaft. Any time to press in the clutch, or otherwise disengage the pto, the impliment will start to sink down to the ground. The more worn your 8N is, the faster it will sink. This can drive you nuts when mowing.

A "fix" for the above problem is to use chains, commonly called stay chains, to hold the impliment up. You can still raise it, but the chains mechanically prevent it from sinking any lower. I've got them on mine and it sure helps.

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Don in Tallahassee

05-27-2003 13:19:19

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 Re: '51 8N 3pt levers in reply to Sue, 05-27-2003 09:07:19  
I will try to answer your question. The lever you are talking about puts the three point hitch into either draft of position control. Up for Draft control Down for position control. For bush hogging it needs to be in position control. This allows you to adjust the height of the cutter then set the wing nut on the control lever to that position. This way you can always return to your preset height. Position control is used for implements that are used above the groung. Draft control is used for plows, this allows the hydrolics an obstruction in the ground such as a stump or root and allow the plow to drift up thus overriding the obstruction.

There is no override kit that will make your PTO a live PTO. (Unless Zane Sherman' live thing will) You can find him on the N-Board at this site. But may I strongly suggest you look into getting a Override Clutch commonly calles a OCR. This slips over your current PTO shaft and is pinned into pisition and allows the inertia of you spinning blades on your bush hog to be disapiated to prevent you from going into a pond, hitting a fence, car or side of the barn etc. A well spent 69 bucks. If you need moreinformation you might want to post on the N-Board. Don

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Mike Johnson

05-29-2003 09:53:07

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 Re: Re: '51 8N 3pt levers in reply to Don in Tallahassee, 05-27-2003 13:19:19  
Sue, Im on the same point of the curve and really understand the frustration. I just put an over-ride clutch on my 8N and Don is right, dont leave home without it. I may add chains to keep the mower up but for now the Position Control seems to be good enough. In my shop manual it says that the lever is vertical for position control and it seems to work for me. Good Luck, M.

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05-30-2003 11:05:04

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 Re: Re: Re: '51 8N 3pt levers in reply to Mike Johnson, 05-29-2003 09:53:07  

Thanks for the info guys. Makes a bit more sense now. Still have a bit of a problem with getting the brush hog to return to a set position after raising it to avoid an obstacle. We seem to have to raise the brush hog up all the way and then move the lever a little past the stop and then up onto the stop to maintain the same position we had before. Is it possible to just raise the hog up just a little and then back to the original position without monkeying with the lever so much? After mowing a bit more, I can see where the PTO override clutch would be handy. Thanks for any addtional info. Sue

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