Posted 12/28/2014 01:08 (#4269179 - in reply to #4268617) Subject: RE: JOHN DEERE 4020 HYDRAULICS
There is a test in the I&T manual and the shop manual for flow and pressure from the charge pump for preside console 4020. that flow is less than the flow of the main pump. They expect return flow from loads to be to the front reservoir/cooler, not the sump.
JOHN DEERE 4020 HYDRAULICS
