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John Deere #9 mower hook-up

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Al L. in Wisc.

07-06-2001 04:19:09




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A great co-worker of mine said people are afraid to ask questions, never be afraid to make a mistake, learn from it...Well, I am not afraid to ask this-I have my mower fastened to the three-point and have slid the adapter onto the pto shaft of my 2N and the pto shaft won't connect, do I have to slide the shaft on before connecting the three-point arms? Or, is there more than one shaft adapter length? Moved off the farm when I was four and worked some as a youngster on my uncles farm, but mostly labor and driving, not much hooking up equipment, backing, other valuable stuff, wish I had more tinkering experience also. Learn as I go and reading. Thanks for helping, I'm off to power wash my outhouse. Al on the farm, what a beautiful day is Wisconsin!

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Don

07-07-2001 13:42:34




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 Re: John Deere #9 mower hook-up in reply to Al L. in Wisc., 07-06-2001 04:19:09  
I have an 8N with a John Deere #9 mower. I took the pto shaft to the JD dealer and they removed the 1 3/8 pto coupling and installed a 1 1/8 coupling so it will slip right on 8N 1 1/8 shaft. It has worked well for several years. I believe if you read your #9 mower manual they do not recommend the use of a slip-on 1 1/8 to 1 3/8 adapter as it changes the angle of the pto when mower is raised.



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Keewaydin

07-08-2001 15:06:18




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 Re: Re: John Deere #9 mower hook-up in reply to Don, 07-07-2001 13:42:34  
We changed the front half of the front baler universal where it fits onto the 8N pto shaft just as you explained and have mowed a lot of hay with it since. Never a bit of trouble. Before that we tried a sleeve that fits onto the 1 1/8 pto end and bushes it up to the 1 3/8 inch of the original baler universal. That worked OK for a while but couldn't stand the strain and finally broke up. I think one of the other posts mentioned this method. If I were doing it again I'd weld a little bead around both ends of the sleeve, may have to grind a little excess weld off the bead before it will slip on, before I used it. Probably it will last longer that way.

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Matt

07-06-2001 19:34:00




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 Re: John Deere #9 mower hook-up in reply to Al L. in Wisc., 07-06-2001 04:19:09  

I have a #9 mower on my 9n, when i raise the mower the top half comes up further than the bottom and starts to make the whole unit bounce and shake, but as soon as it is lowered it is fine. what can I do to fix this????



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ErnieD

07-07-2001 06:45:00




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 Re: Re: John Deere #9 mower hook-up in reply to Matt, 07-06-2001 19:34:00  
Been 20 years since I was near a #9, but here goes. Can the pto shaft be pulled apart and one end turned 90 degrees? Universal joint shafts need to be be in phase to rotate more smoothly at angle.

We used heavy angle iron as attaching brackets, just drill appropriately for the u bolts.



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Steve IA

07-07-2001 02:50:02




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 Re: Re: John Deere #9 mower hook-up in reply to Matt, 07-06-2001 19:34:00  
Matt, there was a discussion of this problem a little while back. Check the link and see if it helps. If you don't have one, I recommend getting a manual from JD. $18 USD IIRC. Very helpful to me. HTH Steve 8n 169302



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Steve IA

07-06-2001 11:44:31




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 Re: John Deere #9 mower hook-up in reply to Al L. in Wisc., 07-06-2001 04:19:09  
When hooking up my #9W to my 8N, I hook up the 3 pt then lift the mower about a foot or so. This gives me room to hook up the PTO shaft to the ORC. I don't need the ORC for the #9, but it's also my 1 3/8" adapter and I leave it on all the time. If I remember correctly I had to cut both halves of the mower PTO shaft down to keep it from jamming together when hooked up. YMMV. I usually disconnect the PTO when travelling to/from the field. You have to remember to raise the mower and disconnect the shaft before raising the bar into the travel position. Don't ask how many times it took to learn that sequence. HTH Steve 8N 169302

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Al L. in Wisc.

07-06-2001 11:14:36




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 Re: John Deere #9 mower hook-up in reply to Al L. in Wisc., 07-06-2001 04:19:09  
Thanks guys for your imput. Yes, I am talking about the 6"to8" adapter. I think a new shaft on the 2N would solve the problem the best, but $120 sure sound steep for a shaft. Think I could just pull one out of a tractor in a salvage yard and put it in, or are there other parts needed? Thanks again for the input. Al on the farm



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29gp.MN

07-06-2001 11:06:18




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 Re: John Deere #9 mower hook-up in reply to Al L. in Wisc., 07-06-2001 04:19:09  
Al I'm still learning but have a little expierience with the #9 mower on my 51 ferguson much the same as your ford. I had the same trouble hooking it up with the adapter in place. I then started hooking up the shaft first then the three point but i had learned the hard way that it binds at different angles which the tractor never felt but it wore out joints and had to be hurting the guts of the mower so I cut the shafts down like the other post mentioned well this is fine but when I raise the unit it creates such a terrible pounding and banging it sounds like it'll break in half, so I've come to the conclusion that the two lower pinbrackets are two deep into the assembly, if i can come up with some replacement weld on brackets i'm going to weld them into place so that the mower assy. would be out farther awey from the tractor and create a less of a angle when lifted fully but maybe my lifting springs are sprung and I'm lifting the upper half to far before the lower half follows? hope this makes sense to ya my typing is very slow compared to the brain .... well in my world anyways :^)goodluck!

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Jim.UT

07-06-2001 09:43:33




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 Re: John Deere #9 mower hook-up in reply to Al L. in Wisc., 07-06-2001 04:19:09  
When you say adapter, I assume you are talking about an adapter to allow you to use 1-3/8" implements with your original 1-1/8" pto shaft. If I'm reading you right, the extra length of your tractor pto shaft after installing the adapter is preventing you from attaching the mower driveshaft. If that's the case, I see 2 alternatives.
1. Cut equal lengths off the male and female halves of the mower driveshaft to equal the additional length of the tractor pto.
or
2. Go buy a new 1-3/8" pto conversion and never worry about adapters again. That's what I did and have been very happy ever since. A full pto conversion will cost about $120 and an hour or so of your time. Unbolt the old pto (drain some hyd fluid first or it's spill all over your garage floor) pull it out, put the new one in and bolt it back up.

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Plowboy

07-07-2001 19:35:01




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 Re: Re: John Deere #9 mower hook-up in reply to Jim.UT, 07-06-2001 09:43:33  
I bought a sleeve adapter for my 8ns'. That way the shaft remains the same length, and I can use both sizes, considering my pulley and dump trailer shafts are 1-1/8".
I got mine from what used to be called Ct Tractor, or something like that. It is now Value Parts or some such, based in Iowa.



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