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Posted by chriscase [75.36.36.216] on Friday, June 15, 2012 at 12:08:13 :
In Reply to: Re: Think through it ... 1000 psi, 3 1/2" piston... posted by Will (in IL) [98.215.26.138] on Friday, June 15, 2012 at 09:53:25 :
There is usually flow from pump to valve in the box. When steering wheel is idle, there is flow in a circle, under no pressure. When wheel is turned, that port closes, making pressure, and the 'direction' port opens, sending full pressure to the piston.