Re: Connecting Hydraulics lines

Posted by P Backus on January 28, 2006 at 12:00:46 from (69.128.32.83):

In Reply to: Connecting Hydraulics lines posted by Jeff Jackson on January 28, 2006 at 06:57:21:

I don"t think I would T the return line from the spool back into
the suction line. If nothing else, it allows the oil to return to the
resevoir and cool down a bit, rather than being in a tight loop
potentially cycling from the pump to valve to pump to valve........
Maybe a hyd expert would say it doesn"t matter, but I wouldn"t
do it that way. With two way hyds, the oil is ALWAYS circulating.
Yes, there needs to be a vent in the resevoir since the level of
fluid will fluctuate a bit as you use the hydraulics, even on a two
way system, but especially on a one-way cylinder. Even if it
didn"t, as the fluid heats up it will expand.
Paul

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