Question about John Deere Two Safety Warning Lights For All Tractors
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Posted on Jan 02, 2017
There are 2 potential problems -
1. Leaking spool on the control valve - rebuild the vale.
2. Cylinder blow-by. Disassemble piston and replace the seals.
To test if its the cylinder - retract the cylinders all the way... remove the hoses on the blind end (non rod end) of each cylinder, and again pull the valve to the retract position.
If fluid continues to pour out of the cylinder - the piston seal is damaged, and the affected cylinder must be repaired.
To test if the valve spool is faulty - disconnect the a and b ports just after the valve. Turn on the system and check for seepage from the disconnected lines (without moving the lever).
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Posted on Apr 19, 2009
I would suggest you find a JD dealer and buy a manual if you want to do the maintenance yourself. You can also do a Google search and find manuals.
I would also suggest you completely drain the old hydraulic fluid and replace it with new fluid and a new filter if it has not been serviced any time in the recent past.
The symptoms you describe can be low fluid and/or a clogged filter. If you or anyone else has run the tractor too long and it has low fluids and/or a clogged filter, you can damage the hydraulic pump and that can get costly.
Posted on May 01, 2009
make shure none of your hydrolic cylenders are extended and fill it up till you can stick you finger in there and it barley touches if you do this when cylenders are extended you will over fill it.
Posted on Jun 04, 2009
would say that your variable displacement pump has rust or other on/inside, it.
Are you using hydralic fluid (not eng oil) in her?
Can you let it run on blocks for a bit - drain and re-fill transmission?
Posted on Jul 02, 2009
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