Posted by NawlensGator on September 11, 2007 at 09:05:51 from (52.128.30.17):
In Reply to: C and hydrolic pump posted by Johnny D on September 10, 2007 at 13:07:50:
As you open a valve on the dishcharge of a pump, the discharge pressure will decrease as the flow increases. If you close the valve completely the discharge pressure will be at it's maximum, or 'dead head pressure'. Similarly, thinner oil results in higher flow and lower discharge pressure. The higher flow results from reduced frictional pressure drop through small clearences. Reduced friction is due to lower oil viscosity of the hy-tran. This is not good for the engine which requires the lubricating ability of higher viscosity oil. I would get this fixed before operating again.
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