Posted by Bob on August 08, 2008 at 10:12:18 from (69.178.228.68):
In Reply to: info and a question posted by KEH on August 08, 2008 at 10:07:37:
I don't think there's a 4020 around that maintains ANY main system hydraulic pressure for more than a few seconds after shutdown, due to LOTS of little "leaks to sump".
However, it IS true the pump will try to build pressure when you hit the starter button.
For situations where this is a problem, DEERE makes a "electric hydraulic pump destroke kit" that keeps the radial piston pump "out of stroke" while the starter is operating.
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