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Allis chalmers 190xt steering problems |
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Allis Eli
Bronze Level Joined: 17 Apr 2024 Location: MN Points: 48 |
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Posted: Yesterday at 1:34pm |
Hey everyone, had a question on my allis Chalmers 190xt Gasser. I just bought the tractor as a nonrunning project. it have around 5k hours. It had a loader on it that I already took off. The previous owner told me the hydraulics went out on it and it was parked. Before I tried to start it, I removed the pump and took it apart. I also made sure that the engine was spinning the pump. Started it up and pump was pumping oil. However the problems starts when i try to turn the steering wheel the tractors front wheels and the steering wheel will turn a little. However when I turn the wheels more than 3-4 inches the steering wheel jumps back in the other direction. Is the steering system need a special priming method or?
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DrAllis
Orange Level Access Joined: 12 Sep 2009 Points: 20701 |
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No priming needed other than turn the steering wheel. So, what did you do to the pump while you had all 100 parts scattered on the bench ??? A seal kit for each of the three sections ?? Those pumps aren't for a novice as there are several different ways to reassemble them WRONG.
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Allis Eli
Bronze Level Joined: 17 Apr 2024 Location: MN Points: 48 |
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I labeled each section, put line up and marked each section and took a photo before i took it apart. It has pressure, the steering wheel just jerks out of your hand when you get to a certain point. I tried turning the steering wheel a lot. The remotes and high and low work fine. I will check pump again tommarow. Could it be someting in the steering colomn?
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DrAllis
Orange Level Access Joined: 12 Sep 2009 Points: 20701 |
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Doubt it. Make sure the vertical priority valve spool on the rear of the pump is free to move up/down and the spring pushes the spool down into the bore. No new seal kits ???
Edited by DrAllis - Yesterday at 5:27pm |
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youngorange2000
Silver Level Joined: 27 Mar 2019 Location: eastcentral MN Points: 312 |
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Are you sure the axle spindles aren't rusted tight or packed full of old hard grease?
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Allis Eli
Bronze Level Joined: 17 Apr 2024 Location: MN Points: 48 |
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the spindles are free. Also have a question of the 190s pumps. Is the priority valve the assembly under the 7/8 inch plug on top of the pump the priority valve? when I took the pump out of the tractor I first removed that plug and there was no spring. Am I just not looking deep enough into the furthest back section? I did not take the whole back part apart only the front three sections. Am I missing something in the pumps back? Also on the seal kits I did put new orings in the groove but not new plates and composite seals. The little plates where still straight and had no scratches or grooves on them. Do you think is should open the pump up again and replace the little plates and composite seals?
Thanks for the replies DrAllis and youngorange2000 Edited by Allis Eli - 22 hours 8 minutes ago at 10:45pm |
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DrAllis
Orange Level Access Joined: 12 Sep 2009 Points: 20701 |
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The vertical spool must be free to slide up and down. There is a spring 3 to 4 inches long that fits inside of it, then the plug compresses the spring. This must be correct for steering to work. At this point nothing else matters until there is a correct spring and a free sliding spool.
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Lynn Marshall
Orange Level Access Joined: 13 Sep 2009 Location: Dana, Iowa Points: 2298 |
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If this tractor is old enough to use the port plate on the back of the pump,make sure that you don't have a couple of the lines mixed up with their corresponding locations.
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DrAllis
Orange Level Access Joined: 12 Sep 2009 Points: 20701 |
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I'd forgot about that possibility and have seen it done before. Those 2 steel lines at the rear of the pump cross-over one another, not outside to outside and inside to inside.
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Allis Eli
Bronze Level Joined: 17 Apr 2024 Location: MN Points: 48 |
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thanks guys, i will check the lines and spring. If my pump is missing the spring, where could I get a replacement? is it just a spring you could get at a hardware store if you knew the dimensions?
Thanks everyone for all the replies |
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Lynn Marshall
Orange Level Access Joined: 13 Sep 2009 Location: Dana, Iowa Points: 2298 |
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I may have a used port plate assembly. I can check tomorrow.
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DrAllis
Orange Level Access Joined: 12 Sep 2009 Points: 20701 |
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Not just any spring. A specific relaxed length, wire thickness, coil count and spring pressure at a given compressed length.
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youngorange2000
Silver Level Joined: 27 Mar 2019 Location: eastcentral MN Points: 312 |
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I guess first we should determine what style of pump it has as there were a few different pumps used on different years of XTs and it is possible to have been replaced with a 200 or 7000 maroon belly pump. Do you happen to have the SN on the tractor it's on the driver's side of the bell housing.
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Allis Eli
Bronze Level Joined: 17 Apr 2024 Location: MN Points: 48 |
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serial number is 9327
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Allis Eli
Bronze Level Joined: 17 Apr 2024 Location: MN Points: 48 |
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the tractor also has a three section pump. That is there are three sets of gears and thick plates in the pump
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