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Hydraulic downforce PSI issue
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Glenn Dye
Posted 5/17/2020 21:33 (#8263962)
Subject: Hydraulic downforce PSI issue

Fredericksburg/Appomattox, VA
Only getting 1400 psi to the valve block. Starts out around 1600 when cold and drops to 1300 when warm. The gauge on the block matches the reading on the display. Override is in the auto position. Gen 1 Ag Leader, 2 channel HDF. New to me planter. The HDF and hydraulic drive are on the same circuit. I have the remote set to max flow and continuous. 12/23 Kinze 3660, finger pickup, hydraulic drive, bulk fill, HDF. Deere 7930 in front of it with the 45 gpm pump, 4 remotes, 2 motor returns, 1 case drain. Highest I've seen the oil temp is 187 degrees. Wondering if I need to separate the hydraulic drive and HDF. Maybe add power beyond to run the HDF? Any help appreciated as 333 lbs of downforce isn't getting it done in our Piedmont soils.
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