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rigging hydraulics for loader

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Beststash

12-29-2004 15:40:02




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I went to the Ford dealer today to purchase the manifold that on lift cover (pressure in & pressure out. The parts guy there said that I would need a open-center control valve with Power Beyond.... I have open center valve (2 spools) but without PB. It seems that you would loose the 3pt functionality if I use with my valve. I was wondering if I might just tap the port on the existing top cover (I do not have the diverter valve on my cover) and then put a "T" on the sump (fill hole), top for fluid, center for loader, and bottom on nipple connected to sump. Two questions - Will this work?? Will I have 3 pt funtionality??
If not could I insert a small gate valve (under seat) to turn off when using loader??
Am I making this too complicated???

Dave

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Joe(TX)

12-30-2004 13:57:41




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 Re: rigging hydraulics for loader in reply to Beststash, 12-29-2004 15:40:02  
Hooking up to the existing port will work but the 3 pt lever will have to fully raised. You could not use your 3 pt. A shut off would work in this case.
The power beyond valve has a special outlet to allow the valve to be put in series ahead of another valve. In this case, the 3 pt lift. It also requires a seperate return line. Depending on who made the valve, you may be able to buy a power beyond outlet for the valve.

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Beststash

12-30-2004 16:16:38




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 Re: rigging hydraulics for loader in reply to Joe(TX), 12-30-2004 13:57:41  

Joe thanks, the more I think about this the more I am convinced that if I get the NH manifold with "press in, press out" and my valve is open-centered - when using the loader it should cut-off the 3PT flow but when the
flow is to the "in" port of valve and then directly thru to "out" port of valve this should still enable the 3PT? Just like a direct connection from "in" to "out".


I know the manifold OEM diagram shows connection to a PB port but I think this should power the loader and not have to add valve or put the "T" on the sump inlet.

What do you think?

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gcobb

12-31-2004 08:04:35




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 Re: rigging hydraulics for loader in reply to Beststash, 12-30-2004 16:16:38  
yes it will work you just cant raise the three point at the same time you are using the front valve as pressure will be blocked. open center and power beyond are almost the same but power beyond lets pressure go to the downstream even while you are using that valve. Open center momentarily blocks pressure to any thing downstream and or lets the oil return from the non pressurised side of a double acting cylinder.
hope this helps.

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Joe(TX)

12-31-2004 07:23:05




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 Re: rigging hydraulics for loader in reply to Beststash, 12-30-2004 16:16:38  
With a normal open center valve installed the 3 pt will usually work except when you actuate the valve. The problem is that the installed valve will not work properly in some situations. Some valve work ok while others don't. Do you Know the part number of the manifold? I would like to see what the diagram looks like for the manifold. I made one for my tractor and used a Cessna valve with power beyond.
What brand of valve do you have? A power beyond outlet for a Prince monoblock valve costs between $11-$15. The Gresen and others monoblock valve about the same. A new double valve would be under $150. Check out Surplus Center.

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Beststash

12-31-2004 14:38:51




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 Re: rigging hydraulics for loader in reply to Joe(TX), 12-31-2004 07:23:05  
Thanks Joe....

My valve is a Gresen SP 4-4 HP monoblock - from what I read it appears that you cannot not add PB to this valve.

I think I will hook everything up and just see how things go - I can always change my valve if not satisfactory - I have a better understanding now than before - I had no idea how complex hydraulics can be, it has been a good learning experience.



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paul

12-30-2004 21:38:29




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 Re: rigging hydraulics for loader in reply to Beststash, 12-30-2004 16:16:38  
Sounds like you will end up trying it anyways. :)

Just be careful with what you have on the 3pt when you do, as the results will be eratic, to say the least.

Remember, oil flows in 2 directions, when you open that non-PB valve to the loader - what's up won't always stay up.....

--->Paul



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Beststash

12-30-2004 21:50:30




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 hydraulics - TXBLU help!!! in reply to paul, 12-30-2004 21:38:29  
Paul,

HAHAHA - You got me wondering..... .so are my two for sure options??

1 - get another valve with PB ($250) and use manifold without spools ($80)as described
2 - get a single remote with spool ($400) to feed by existing valve

Are those my only choices??

What about output from existing cover, cut-off valve, and "T" in sump - cheap but will it work

TXBLU - any ideas



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Beststash

12-29-2004 16:18:33




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 hydraulics for loader - corrections in reply to Beststash, 12-29-2004 15:40:02  
69 Ford 3000 - I went to the Ford dealer today to purchase the manifold that fits on lift cover (pressure in & pressure out). The parts guy there said that I would need an open-center control valve with Power Beyond.... I have open center valve (2 spools) but without PB. Parts guy says I will lose the 3pt functionality if I use with my valve. I was wondering if I might just tap the port on the existing top cover (I do not have the diverter valve on my cover) and then put a "T" on the sump (fill hole), top for fluid, center for loader, and bottom on nipple connected to sump. Two questions - Will this work?? Will I have 3 pt functionality??
If not could I insert a small gate valve (under seat) to turn off when using loader??
Am I making this too complicated???

Beststash

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