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Deere 950 Hydraulics and Brake problems

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Mark - IN.

09-07-2004 17:26:23




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Just recently picked up a '90 950. Nice tractor once get used to the power steering. I have two problems. One, noticed hydraulic fluid dripping near one of the lift cylinders, and a closer look was a loose fitting that I tightened. Then I checked the fluid level and it was way down, so I filled. Then I noticed fluid dripping at the bottom near the oil drain cover area, so I climbed below, wiped and looked. It seemed to be coming from where the trans area bolted to the engine. The privious owner said that he'd recently replaced the clutch. A closer look showed that when he put it back together, he used the one of the two long bolts that mount the power steering unit, in the very bottom hole and it had pushed up against the engine before it was tight, so it wasn't tight (the lock couldn't fully compress). I switched it with a short bolt that he had used through the power steering mount, and now both bolts are in their correct places, and all bolts are tight. What scares me is that there's a clutch up in there, and I wouldn't think that there would be any hydraulic fluid up in that area to be leaking where it appears to have been leaking from. Am I wrong? Shouldn't that area (clutch) be dry?

Second, I use the brakes to turn. Not on this 950.
I use the power steering. I was on a hill, took it out of gear, and it began rolling backwards, and the brakes did nothing. Glad I had a loader to drop. The manual says that the brakes are mechanical, and I have about 1/2" of free travel on either left/right pedal, and they don't push beyond that. I know where the pads are on my Allis Chalmers. The Jubilee has large brake drums. This 950? Nothing that I can see. No drum between the inner wheel and tractor, nothing that I can see. Now, I won't get to see or touch the tractor until next week, and ran out of time before I could trace from the pedals to ???, but a quick look suggested to me brakes are internal to the rear. I'm new to Deere, and I'll find it/them, but it'll be without the operator manual. No brakes on a tractor aint safe, and turning without them sure wears the front tires out quick, besides making for awfully wide turns.

Your help in advance would surely be appreciated.
Thanks, Mark.

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leon

09-08-2004 04:37:52




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 Re: Deere 950 Hydraulics and Brake problems in reply to Mark - IN., 09-07-2004 17:26:23  
The 950 is usually a good, sound little tractor. Made by Yanmar in Japan for John Deere. It sounds like the transmission seals may be shot on yours. I wonder if using the wrong transmission/hydraulic fluid sometime during it''s life could have caused that? Hydraulic fluid dripping from the clutch housing, which should be dry, probably means that the seal on the front input shaft of the transmission is shot. No brakes probably means that the seals are shot on the rear axle output shafts too. It has drum brakes, which aren't too effective in reverse anyway, but the brakes are of the dry drum type.

Once I run smack into the side of my sister's garage with her Ford 8N with Sherman overdrive 'cause I had made the mistake of filling the transmission while servicing and during the test drive the brakes had got real well oiled!

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Mark - IN.

09-08-2004 18:30:21




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 Re: Deere 950 Hydraulics and Brake problems in reply to leon, 09-08-2004 04:37:52  
Ouch on your sister's garage. And I figured correct on the clutch - new to Deeres (my first), but never knew of a designed wet clutch on anything. Although the clutch doesn't appear to slip. Seals sound like a good bet. Manual is pretty clear about meeting J20A or J20B spec, perhaps privious owner ???

Brakes would be nice, especially for turning.

Thanks for your help Leon, I'll look deeper when I get home Sunday night.

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