It actually will cause pressure drop from the pump to the cylinder under flow. As the cylinder loads up and dead heads the pump then the pressure will rise, but all flow of fluid in pipes happens because of different pressures at each end causing the fluid to flow. If the pump has to put out 600 psi to lift the boom it will put up more pressure to lift the boom with a smaller pipe. So long as it doesn't pop the relief. Maybe only 620 psi. But with more pressure the pump slips more and a bit less fluid will flow but at a higher differential pressure. And it will generate more heat with more pump slippage and more horsepower required to put up slightly higher pressure.
He won't notice. I suspect the lines on each end may have been changed too.
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Today's Featured Article - Old Time Threshing - by Anthony West. A lovely harvest evening late September 1947, I was a school boy, like all school boys I loved harvest time. The golden corn ripens well and early, the stoking, stacking,.... the drawing in with the tractors and trailers and a few buck rakes thrown in, and possibly a heavy horse. It would be a great day for the collies and the terrier dogs, rats and mice would be at the bottom of the stacks so the dogs, would have a busy time hunting and killing, all the corn was gathered and ricked in what we c
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