Question about John Deere 420,1020,2010,2020,2510,2520 Tractor Float
How do I add hydraulic fluid to John Deere 1020
Posted by Anonymous on
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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
IF the rest of the hydraulic system has normal pressure, then the control valve for the 3 point may be faulty, or ; the hydraulic cylinder that raises/lowers the 3 point arms has failed (the sealing ring on the internal ring has torn)
Posted on Jun 20, 2009
Are the blades turning? If they are not, this is normal. The PTO is an electro magnetic clutch that engages when you apply electricity via the PTO switch. When it is disengaged, the bearings and top portion of the clutch will turn because it is coupled to the engine. If the blades ARE turning then you have a bad clutch and will need to repair or replace it
Posted on Sep 18, 2009
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