Xt 190 hydraulic pressure
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Category: Allis Chalmers
Forum Name: Farm Equipment
Forum Description: everything about Allis-Chalmers farm equipment
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=188515
Printed Date: 15 Nov 2024 at 3:18pm
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Topic: Xt 190 hydraulic pressure
Posted By: Svnty7
Subject: Xt 190 hydraulic pressure
Date Posted: 28 May 2022 at 9:35pm
Greetings,
I have a XT 190 with a hydraulic issue.
800 to 900 psi on the raise function on the remotes, 2300 psi on the lower
Tractor won’t pick heavy implements
When hookup up the right way. When I switch hoses to the down coupling it will pick up anything? I can’t see how it would be the pump since I have good pressure on one side???????? I did change the relief valve with new one. No change?
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Replies:
Posted By: MACK
Date Posted: 28 May 2022 at 10:06pm
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You have a bad coupler. MACK
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Posted By: Svnty7
Date Posted: 29 May 2022 at 11:29am
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Thank you I’ll give that a try
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Posted By: Svnty7
Date Posted: 29 May 2022 at 11:31am
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Actually it does the same thing on both sets of remotes. Two bad couplers??
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Posted By: SteveM C/IL
Date Posted: 29 May 2022 at 1:06pm
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Well...that 2300lb pressure is in the valve stack soooo....changing couplers is cheap and easy...new never hurts anyway.
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Posted By: DrAllis
Date Posted: 29 May 2022 at 6:34pm
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Replace both hose ends with correct tips on the cylinder that is bothering.
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Posted By: AC720Man
Date Posted: 29 May 2022 at 7:50pm
If your using couplers that are a ball inside, make sure the hose end is the same way. I was never able to get a pointed fitting to work in a ball style coupling or vise versa.
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1968 B-208, 1976 720 (2 of them)Danco brush hog, single bottom plow,52" snow thrower, belly mower,rear tine tiller, rear blade, front blade, 57"sickle bar,1983 917 hydro, 1968 7hp sno-bee, 1968 190XTD
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Posted By: Svnty7
Date Posted: 29 May 2022 at 8:25pm
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Tried new couplings on both sides. Still low pressure on the “raise” coupling. Normal pressure on the low side. It does the same thing on my haybine disc and c mulcher
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Posted By: DrAllis
Date Posted: 29 May 2022 at 9:09pm
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Now, two new couplers to match the hose tips. EDIT: Just so you aren't wasting our time, when a coupler locks up and movement of the hyd cylinder stops, the engine will labor as the hydraulic pump makes 2300 psi against the relief valve. If the engine doesn't labor when movement stops, you have a bad relief valve, pump issues or low on hyd oil !!! HYD HOSES ARE CONNECTED IN PAIRS TO THE RIGHT OF CENTER OR LEFT OF CENTER ON THE TRACTOR, NOT ONE ON EACH SIDE.
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Posted By: MACK
Date Posted: 30 May 2022 at 7:29am
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With engine off, will both levers stay in detent? MACK
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Posted By: Svnty7
Date Posted: 31 May 2022 at 8:27pm
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Haven’t had a chance to see how much the engine labors when it completes cycle. They do stay in detent when the motor is of. I’m clear on how to hook up hoses……. Thanks for all your help . Just in case I’m going to buy a complete new set of male and female couplers and try that again
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