Posted by Bob on August 27, 2018 at 10:37:50 from (64.255.159.199):
In Reply to: JD 4520 posted by rdhRDH on August 27, 2018 at 09:49:47:
Quoting Removed, click Modern View to see
I didn't catch the "powershift" thing, either.
Pump at the front of the transmission (much like an automotive automatic transmission pump) supplies oil to the powershift, and excess oil after regulated pressure is achieved goes up front to the cooler and pump.
Start by checking the sump screen for debris, and changing transmission filter.
If that doesn't help, pump MAY be worn/weak or something may have failed in the clutch or shift valve area that's dumping pump flow to sump when the clutch is depressed.
I would check the transmission pump flow, as well, don't have the tech manual at hand for a detailed procedure, it's at the shop.
Going back, though, if the line to the rockshaft is heating, you have a leak back there that is hastening the oil up front in the cooler and reservoir being used up. That issue needs to be corrected, as well.
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