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2590 Hydrolic Problems

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Jake Bos

03-21-2005 20:25:03

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Hey, I have a case 2590 and the thing dosnt want to move... well it will move a little bit. If i let it sit for a little while i can get it to move or if i have it in a low rpm it will move, or if im parked on a incline it will it will move for a little bit. I changed all the transmission filters and i dont think the transmission is goin out. The power steering dosnt work, nor does the 3 point or the PTO. I can still spin break the back axles and the breaks work. The hydroilc pump runs to but i dont think its getting any oil to it. This is a very confusing problem lol.

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JakeBos

03-24-2005 15:16:31

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Re: 2590 Hydrolic Problems in reply to Jake Bos, 03-21-2005 20:25:03

Yup the transmission filter was plug bad, the whole thing was coverd, permitex and some rust was all in it from when the previous owner had it i washed it out with desiel and a garden sprayer like you said and it worked great then blew it out with some air and washed it again and it looks clean now. Thanxs for you advise it work good.

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Don2004

03-21-2005 20:49:44

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Re: 2590 Hydrolic Problems in reply to Jake Bos, 03-21-2005 20:25:03

There should be a light on the dash for HYD PRESS. If this light is on when the tractor is running, you may have a plugged intake screen. You can remove the trans. press. sender unit and put in a gauge to see if you have pressure-should be about 30 p.s.i. from the charge pump to hyd. pump.

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Jake Bos

03-22-2005 16:12:31

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Re: 2590 Hydrolic Problems in reply to Don2004, 03-21-2005 20:49:44

hmm the hydrolic press. light dosnt come on

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Don2004

03-22-2005 20:36:23

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Re: 2590 Hydrolic Problems in reply to Jake Bos, 03-22-2005 16:12:31

Does the light come on when you turn on the key before you start the engine?

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JakeBos

03-22-2005 21:53:11

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Re: 2590 Hydrolic Problems in reply to Don2004, 03-22-2005 20:36:23

Nope

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Don2004

03-23-2005 21:47:09

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Re: 2590 Hydrolic Problems in reply to JakeBos, 03-22-2005 21:53:11

Sorry, I should have looked at mine before I replied to your first post. It should have a HYD FILTER light on the dash, not a HYD PRESS light. Anyway the sending unit for this light is on the left side of the tractor,in from the steps. You'll see the sensor with a wire that screws into a fitting on the pipe from the charge pump to the hyd. pump. If you put a low pressure gauge in place of the sensor you should get 30 p.s.i. with tractor running. If no pressure, I would check suction screen in bottom of transmission. You'll have to drain all trans-hyd fluid out, then remove gearshift cover on right side of transmission. It's a tight fit but you can see inside with a light. If it is plugged you can rinse it out with a garden sprayer filled with diesel. Remove big plug on bottom of rear housing first and you will get most of it. Let us know what you find.

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JakeBos

03-24-2005 15:17:40

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Re: 2590 Hydrolic Problems in reply to Don2004, 03-23-2005 21:47:09

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Don2004

03-26-2005 19:14:36

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Re: 2590 Hydrolic Problems in reply to JakeBos, 03-24-2005 15:17:40

Glad to be of some help.

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JakeBos

03-29-2005 09:47:35

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Re: 2590 Hydrolic Problems in reply to Don2004, 03-26-2005 19:14:36

Well now i know why the tranny filter was getting pluged cus the PTO Clutch Plates are wasted. But how do u take off the back housing for the PTO? I took all the bolts off and all the lines going to it and it still wont come off. I can pry it open a little bit on the top but the bottem seems to be held up.

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