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600 Hydraulic Problem
Great idea. A Crain or helper would have been nice. Thanks again for your help -
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600 Hydraulic Problem
Hobo's suggestion was the key - (using a screwdriver in the fill hole and moving the hand control lever which in turn moves the hydraulic lift control valve in). I pulled the cover again adjusted the valve mimicking the same action. Now, moving the lift control lever back, moves the valve to its... -
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600 Hydraulic Problem
Yes, I did. I tried it both ways with the same result -
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600 Hydraulic Problem
The cover is fully assembled on the tractor. Hobo has suggested the washer be installed to move he draft linkage forward. I tightened the yoke 28 turns back to where it was before I installed the washer - No improvement - the lift arms only rise 2" -
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600 Hydraulic Problem
I unscrewed the yoke - 28 turns, removed the spring seat and the tri-angular plate. Made a 5/8" ID washer with slot to accept the pin on the plate and installed. I was able to turn the yoke 24 turns before a lot of resistance was felt. Should I turn the same number as I unscrewed - 28 turns? -
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600 Hydraulic Problem
I did as you said. I did not have an adequate pry bar, so I disconnected the draw bar and pulled it towards the front of the tractor with the lift lever in the up position. It did exactly what you said it would. The lift arm and the attachment came right up. Tomorrow I will try the shim idea... -
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600 Hydraulic Problem
Thanks Hobo, I'll give it a try today. And, sorry for not giving you credit for the screwdriver test - it was key. Good luck with he shoulder -
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600 Hydraulic Problem
It looks basically the same and is in the same position. Now that the screwdriver trick worked, can anyone advise to what the issue is or the next step? -
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600 Hydraulic Problem
Thanks Gene, Your suggestion of moving the valve forward with a screwdriver was excellent. The arms worked like they should both up and down. There's hope! Now do we know what the issue is? What is next? Sorry, I do not know the significance of the last 2 photos you sent -
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600 Hydraulic Problem
I'm headed to the shop in a short while. I'll be happy to report when I return this afternoon Thanks so much -
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600 Hydraulic Problem
Hi Gene, The arms will only rise hydraulically 2". I can manually raise and lower them (slowly) by hand and did so several times, thinking there might be air in the system. Did not work. I thought of the bent idea but did not see any indication. There was some scoring on the valve as seen in the... -
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600 Hydraulic Problem
Update. I went through the video again, adjusted the position control to avoid any collision with the piston housing and reassembled the cover. The lift arms will only rise about 2 inches no matter how far the lift lever is pulled back - Failure is so depressing. If anyone knows who can fix this... -
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600 Hydraulic Problem
Thank you, Yes moving the arms have no effect. Does someone have any answers to my above question? Before I re-install. a couple of questions. P1 - when I now change from draft control adjustment to position control adjustment the valve hits the top of the cylinder. Also, anyone know why the... -
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600 Hydraulic Problem
Before I re-install. a couple of questions. P1 - when I now change from draft control adjustment to position control adjustment the valve hits the top of the cylinder. Also, anyone know why the valve is scored? P2 is the gap of the position control spring assy. when the lift lever is in the... -
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600 Hydraulic Problem
Just got back. Yes the pin is against the cam when I am adjusting the position control -
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600 Hydraulic Problem
Good question. I'll be at the shop again on Friday and see. By the way, you guys have been wonderful. I am so grateful -
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600 Hydraulic Problem
Thanks Keith. There is no wear on the bottom that contacts the casting surface. I tried my idea of ignoring the draft control adjustment to no avail. The bolt on the position control will run out of thread on the upper nut before I can lower the adjustment to make the .450 clearance. I know the...
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