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ford 4000 no pto or hydraulics...

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Ron in Missouri

10-04-2007 16:02:22




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I have a ford 4000 tractor and was mowing when I slid into a ditch and got a little tipsy. I didn"t tip over but she did get up sideways in the air a good bit. I shut the pto off and picked up the three point mower and crawled out of the ditch. Once I restarted I found that I hydraulics. Oil levels are good and ect. I put it in the barn and started rueling out problems. I pulled the trans. cover and rear side covers, all looks o.k. I also pulled the pump to see if I had lost the pick-up tube or screan. All looked good. I did notice that the gear that runs the hydraulic pump would spin by hand. I started the tractor and watched the gear and noticed it only terns in sperts and I can hold it with my hand. I am thinking that it should be spinning full time and I may have snapped a gear or a shaft. Are there any other Ideas. I hope my thinking is wrong because I don"t want to have to split that tractor if I don"t have to.

Ron

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RodInNS

10-05-2007 05:49:22




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 Re: ford 4000 no pto or hydraulics... in reply to Ron in Missouri, 10-04-2007 16:02:22  
Yep. You have a shaft problem. Time to get it ready for a double split... I'd split in fornt of the transmission first in hope that that will do it. Check the splines on the PTO input shaft and pressure plate. They're probably gone. If it's not that, start working back from there. The PTO gears step down in the transmission, and I think it's in the front of that transmission but I've never had one apart. The other 3 cylinder transmissions I've had apart were stepped down in the front. If the problem is in the PTO shaft that passes through the countershaft then I'd expect that you'll be doing a rear split to pull the PTO shaft.... so make sure that when you set up for the split that you can easily get a jack under there to let the transmission ahead and down, or use a loader or cherry picker if you have one... Good luck.

Rod

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Larry NCKS

10-04-2007 16:54:09




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 Re: ford 4000 no pto or hydraulics... in reply to john_bud, 10-04-2007 16:02:22  
which 4000? early or late? If early 4cylinder, you must have sheared the tail of the camshaft or the bolts that bolt the drive gear to it.



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Ron in Missouri

10-04-2007 17:10:01




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 Re: ford 4000 no pto or hydraulics... in reply to Larry NCKS, 10-04-2007 16:54:09  
don't know what model. It has a gas 3 cyl.



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bjr

10-05-2007 14:11:08




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 that can't be good... in reply to Ron in Missouri, 10-04-2007 17:10:01  
The pump you pulled was it the one that bolts on to the bell housing on rear of engine. That drive gear drives off of the camshaft if it's like the 172 4 cyl diesel, like mine. I was told the that drive gear can spit teeth occasionally. See what these other posters have to say, but, this can't be good. Maybe a major engine transmission split and flywheel removal. Give us the exact engine model to be helpful. bjr

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RodInNS

10-05-2007 15:41:20




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 Re: that can't be good... in reply to bjr, 10-05-2007 14:11:08  
He said it's a 3 banger.... so unless it's got a jerk-a-matic or the tractor is a 4110 with a two stage clutch, then it's got the pump in the rear axle center housing and the oil supply for the PTO clutch comes off a tandem rear section of that pump.... hence the drive problem. That gear that he spun shoud be fixed to the engine's rotation at all times.

Rod



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Ron in Missouri

10-05-2007 17:09:01




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 Re: that can't be good... in reply to RodInNS, 10-05-2007 15:41:20  
I have split the tractor at the eng. It has an 8 speed trans with a high/low shifter. (4 spd. and reverse for each) I'm shooting in the dark since I don't have a repair manual. I bought an 891 pg manual on-line last night but found that it was a massive parts manual. This will be helpful when I find out what is broken. After I split the trans/eng I inspected inside the bell housing and everything looks fine. I spun the inside trans. shafte and the trans. spun o.k. I then grabbed the shorter outside shaft and gave it a spin. It was noisey and the pump tried to spin. Is this supposed to be a solid outer part of the shaft that spins full time with the eng. and transfers rotation to the hydraulic pump? How should I proceed next?

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RodInNS

10-05-2007 19:09:41




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 Re: that can't be good... in reply to Ron in Missouri, 10-05-2007 17:09:01  
Yes, the outer shaft will be the PTO shaft on that tractor. I'd pull the pump again and jamb the gear with a bar, then try to turn the input shaft again. I would also take a very very hard look at the shaft splines and the pressure plate splines... That's a fairly common wear point on the tractors I've had apart, but I haven't split my 4000 for that yet... although it is coming before much longer. I have changed that shaft and PP on my 3930 already. It hadn't quite failed, but I discovered it when I was in there for a tranny syncro.
If you find that the transmission shafts transmist power through the transmission then mabey remove the pressure plate from the flywheel and test fit it to the shaft and see if it's sloppy/loose. Try that and go from there.

Rod

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Charlie C.

10-05-2007 17:32:07




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 Re: that can't be good... in reply to Ron in Missouri, 10-05-2007 17:09:01  
Ron if possible I would be very interested in seeing pictures of what you are doing. I have a 74 4000 and I would like to see what is in there befor I have to split mine.



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