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3020 power steering issues

A

antique_jdfan

New User
I have a John Deere 3020 that has some steering problems. When operating the steering wheel right, it will "lock" while turning, then if you hold a little pressure to the right the wheels will slowly creep all the way to that direction. After they turn all the way to the right it will operate properly for a few minutes and then it will do the same thing. Sorry for the rambling but I hope this illustrates the problem I am having. I have been told it is likely a steering valve problem. Any feedback would be appreciated, also I understand that Tim S rebuilds these and I would like to contact him.
 
There is a strong chance that it is the steering "Motor" down front, the o-rings are worn and most likely the original ones. They will leak to the other side of the piston, the the valve will dead head against it for a bit till the piston re-fills,,then it will all happen again. Yes I do rebuild these steer valves and bench test them to prove they are set correctly,,the tough thing is they are not handy to ship...
 

Here's a parts schematic & parts list of the steering motor.
2-B3685R PACKING,O RING View/Update 3.46 USD 6.92 USD
1-R26282 PACKING O RING View/Update 2.63 USD
1-R26290 RING,BACK-UP View/Update 5.04 USD
2-R47083 RING,BACK-UP View/Update 3.79 USD 7.58 USD
1-R34748 SEAL,OIL ADD 30.28 USD 30.28 USD
Parts that have an issue will display a flag. *Subtotal 52.45 USD
15990.jpg
 
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