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calico190xt68 
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Joined: 12 Jan 2017
Location: Frankton, IN
Points: 870
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 Topic: 190xt Hydraulic Repair Starting Point
Posted: 03 Nov 2017 at 10:39am |
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I am going to dig into my next problem this weekend. My 3 point arms drop when loaded with 3 point equipment fairly quickly. I was hoping to get some direction on where to start from forum members. It appears that the Hydraulic pump was replaced at some point so I don't think that is my main problem. I believe it is working fine because it will raise the equipment just fine. The problem is that once loaded with equipment, it creeps down fairly quickly. If I hit the control knob, it will raise back up. This makes it difficult to go down the road to the next hay field by constantly hitting the control valve.
So, my question is: do I need to concentrate on my control valve and rebuild it, or do I need to look at the lift cylinders as a starting point? I have a minor leak in the control valve area and I see there is a rebuild o-ring kit available, so it may not hurt to start there. I am just curious if others know of a test that I can run to isolate the problem or if they have had the same problem and know what I should start to fix. If the lift cylinders need rebuilt, then that may be quite expensive. Any thoughts on where to start are appreciated!
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80 7010, 80 7020. 67 190XTD Series I w/500 Loader, AC 2000 Plow, Member Indiana A-C Partners, Member TAC
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DrAllis
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Joined: 12 Sep 2009
Points: 21866
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Posted: 03 Nov 2017 at 11:34am |
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If you compared ten 190XT's for 3 point hitch settling with a load on them, I'd guess at least 9 of 10 would have some degree of settling. The heavier the load, the more it will settle. The hotter the hydraulic oil, the more it will settle. If the cylinders are the problem, you will see a leak. You could try and replace the 3-point valve with another one (only used...no new available) and still have the same thing. There is one thing you could check on the valve. There is a roll pin driven into a spool to make a handle. Make sure it is rotated tight and seated. Other than that, settling is somewhat normal. That is why the Position control lever is there. Pull clear up on it and the load can't settle down.
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Dave H (NE)
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Joined: 11 Sep 2009
Location: Western NE
Points: 288
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Posted: 03 Nov 2017 at 11:38am |
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The 3pt valve is leaking past the spool and body. To drive down the road with a load on, use the position control valve to hold the load.
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calico190xt68
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Joined: 12 Jan 2017
Location: Frankton, IN
Points: 870
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Posted: 05 Nov 2017 at 6:29pm |
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I neglected to state that my position control lever and my traction booster lever will not move up. They are stuck in the lowest position. So, this may all be related. I am guessing the valves are stuck. So I was going to deinstall all valves and check them out. Curious what my next step should be though.
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80 7010, 80 7020. 67 190XTD Series I w/500 Loader, AC 2000 Plow, Member Indiana A-C Partners, Member TAC
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DrAllis
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Posted: 06 Nov 2017 at 7:21am |
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You don't need to remove any valve stack to figure out what is wrong with the position control and T Boost linkage. If both levers are stuck, figure out why. It isn't anything with the valves.
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calico190xt68
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Joined: 12 Jan 2017
Location: Frankton, IN
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Posted: 06 Nov 2017 at 7:50am |
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Thanks for that direction hint. I have a follow up problem to inspecting why the levers are stuck. I tried to remove the aluminum decal cover over the levers to look down into the lever area to see if I could lubricate something and I cannot get the power director knob unscrewed. I hate to tear up the knob with a pair of pliers so was wondering if there are any tricks to removing it?
I have to admit though, the last guy must have tried to fix something related because he ripped up half of the aluminum cover. He didn't rip up the half with the power director though, so I was trying not to do any further damage. I am guessing these aluminum covers are hard to come by.
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80 7010, 80 7020. 67 190XTD Series I w/500 Loader, AC 2000 Plow, Member Indiana A-C Partners, Member TAC
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Joe(TX)
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Joined: 11 Sep 2009
Location: Weatherford. TX
Points: 1682
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Posted: 08 Nov 2017 at 7:28am |
The position and depth levers are probably rusted up on the pivot shaft. Pulling the side cover on the console is what is needed to work on the control levers. Only 4 screws. It's possible that the position control is out of adjustment
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1970 190XT, 1973 200, 1962 D-19 Diesel, 1979 7010, 1957 WD45, 1950 WD, 1961 D17, Speed Patrol, D14, All crop 66 big bin, 180 diesel, 1970 170 diesel, FP80 forklift. Gleaner A
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calico190xt68
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Joined: 12 Jan 2017
Location: Frankton, IN
Points: 870
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Posted: 20 Nov 2017 at 9:51am |
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Thanks for the hints. I pulled off the side cover over the weekend and squirted some WD-40 on the lever flanges. They were very rusty. I worked the traction boost and position control levers back and forth and finally freed them up to the up position. I decided to not take them apart and thoroughly lubricate them since they appear to be working good enough now. Thanks Joe(TX) for the side panel hint. I should have noticed that side panel access, but I followed the tracks of the prior guy and I shouldn't have.
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80 7010, 80 7020. 67 190XTD Series I w/500 Loader, AC 2000 Plow, Member Indiana A-C Partners, Member TAC
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