Allan in NE, Hugh, and other Cyclo owners

Posted by P Backus on May 19, 2005 at 07:05:22 from (69.128.32.184):

I am making markers for my grain drill using double acting
hydraulic cylinders. I got the hydraulic shuttle valve ( switch) off
of a 400 Cyclo. I assumed that it was a simple shuttle valve
directing hyd flow to one side or the other. However when
checking it more, I find that it works differently than that. It has
three check valves that seem to allow pressure from the "in" port
to flow to both "out" ports, but only allows it to flow back from
one of the "outs"- whichever side the switch is moved to.
Also there is what I thought was a check valve in the "in" port,
but I suspect it may be a flow restrictor to limit how fast the
markers are lifted up.
My question is this: am I correct on the function of this valve? Is
there a way to regulate the restrictor to change the flow rate? Is
that really a restrictor? Will this thing work like I want it to if I
install it in the "marker lift" side of the hydraulics? Remember, I
have pressure down on these cylinders too. I'd hate to spend all
the time to put this together and have to pull it apart again.
Thanks, Paul

Follow Ups:

• Re: Allan in NE, Hugh, and other Cyclo owners ohjeffoh 05:07:39 05/20/05 (0)
• Re: Allan in NE, Hugh, and other Cyclo owners CNKS 18:06:19 05/19/05 (1)
  • Re: Allan in NE, Hugh, and other Cyclo owners P Backus 18:20:10 05/19/05 (0)
• Re: Allan in NE, Hugh, and other Cyclo owners David A. Hodson 17:46:46 05/19/05 (0)
• Re: Allan in NE, Hugh, and other Cyclo owners Allan in NE 15:02:04 05/19/05 (3)
  • Re: Allan in NE, Hugh, and other Cyclo owners P Backus 15:41:38 05/19/05 (2)
    • Re: Allan in NE, Hugh, and other Cyclo owners Allan in NE 15:49:11 05/19/05 (1)
      • Re: Allan in NE, Hugh, and other Cyclo owners Hugh MacKay 16:31:57 05/19/05 (0)
• Re: Allan in NE, Hugh, and other Cyclo owners captaink 09:13:54 05/19/05 (0)

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