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Case Tractors Discussion Forum
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HYD. on a 2290

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wide axle

03-08-2007 16:55:23




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Need some help. Have a 2290 gear drive. Have hydraulic problem. Have no remotes or 3 point hitch. Have steering and brakes and pto. If you let arms down then they will eventually come up. Have checked compensator valve and charge system regulator valve. Both seem to be fine. Changed filters. Don't know whatelse to do. Am trying to do it myself and don't have anyone to call. Can someone help? Thanks...

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Eagle Doc

03-10-2007 05:00:18




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 Re: HYD. on a 2290 in reply to wide axle, 03-08-2007 16:55:23  
I am not sure which of the shuttle valves (primary or secondary) will affect the 3 point hitch but one will. One of them affects only the valve it is in and the other affects that valve and anything behind it in the circuit, including the 3 point hitch.



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dwag

03-10-2007 08:24:42




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 Re: HYD. on a 2290 in reply to Eagle Doc, 03-10-2007 05:00:18  
Eagle Doc, I respectfully dissagree. The primary shuttle ball will only affect the remote valve it is in. The secondary shuttle valve will not affect the remote valve which contains it, but remote valves up stream. The sensor check, pg 8-428, 2290 parts book, items 3,4,5,6,7& 8 if bad\missing will affect hitch. pg.8-474, items8,9,10,& 11 will affect remotes if missing or bad.



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Eagle Doc

03-10-2007 16:37:16




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 Re: HYD. on a 2290 in reply to dwag, 03-10-2007 08:24:42  
I must admitt that I have not had personal experience with this problem, either when I worked at a Case dealer or in my own shop. However, in my earlier post I was repeating what we were told at the Case service school. I may have misunderstood that when they told us the secondary shuttle affected that valve and everything behind it, I took that to mean everything downstream. Possibly they meant what was physically behind it (the rear valve is first in line). Anyway, if wide axle hasn't found the problem anyplace else I guess he should take both your suggestions and those of 430WLPG.

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430WLPG

03-08-2007 17:11:41




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 Re: HYD. on a 2290 in reply to wide axle, 03-08-2007 16:55:23  
There is a regulator dart in the bottom of the PTO valve that can get worn offset, And if that was ok, then I would unbolt the remote valve stack and there is a little plug in each section, remove it and it should have a oring and a check ball(the oring usually blows and watch out for the ball it's small)if that is Ok remove the stack completely and remove the detent housing and there is another long plug with a oring and a check ball but the ball is caged

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wide axle

03-08-2007 17:20:38




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 Re: HYD. on a 2290 in reply to 430WLPG, 03-08-2007 17:11:41  
Would these problems cause the 3pt. not work also?



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dwag

03-08-2007 18:57:50




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 Re: HYD. on a 2290 in reply to wide axle, 03-08-2007 17:20:38  
To answer your question....NO! 430 LP is playing on his daddy"s computer again. You either have a stuck servo piston in your pump, or the orifice between the HI & Low press spools in compensator is plugged.



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430WLPG

03-08-2007 20:31:47




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 Re: HYD. on a 2290 in reply to dwag, 03-08-2007 18:57:50  
430's Daddy DON"T HAVE A COMPUTER. DAWG just because you don't agree with what I said, YOU DON"T have to try to make someone ELSE a AZZ. You could respectively dissaggree. The compensator could be plugged, true, but what I said can cause these same problems. Because those are signal check balls orings and if you can't build signal pressure you CAN'T turn thre pump ON. And a blown oring won't let it build pressure and act like a plugged compensator orfice. Even if the pump is not working the charge pump pressure will slowly raise a naked 3pt.

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dwag

03-09-2007 08:49:57




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 Re: HYD. on a 2290 in reply to 430WLPG, 03-08-2007 20:31:47  
430, The guy is asking for help on his tractor, and bogus advice will not help. The tractor would have no PTO,and wouldn"t move if the "dart" in PTO valve was off its seat. The primary and secondary shuttle\check valves in remote that you suggest checking will only affect remotes. The sensor check in remote valve stack end cap, when missing WILL affect hitch. Be man enough to admit your wrong, and in the future, make sure YOU know what your talking about before leading someone astray for ego"s sake.

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