Posted by Bob on April 09, 2019 at 05:36:30 from (64.255.159.199):
In Reply to: 4440 Hydraulics posted by stew70 on April 08, 2019 at 20:08:26:
For now, check hydraulic pressure at one of the implement quick couplers.
You can check transmission pump pressure at the port on the clutch valve below your left heel marked "CL".
IIRC, should be around 165 PSI.
That indicates the transmission pump is operating, and the hex shaft pump drive hasn't sheared.
As a "FYI", the "hex shaft" we are talking about extends from the rear of the tractor ("3" in the illustration) all the way forward into a hex drive adapter in the engine crankshaft, passing through (and driving) the transmission pump on it's way.
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