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Farmall & IHC Tractors Discussion Forum
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Will a selective lift control unit

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Vito

03-22-2008 19:15:38




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serve my purpose as a hydraulic flow diverter?It looks like it is designed for this in the parts manual.
Thank you
Vito




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Vito

03-23-2008 10:05:07




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 Re: Will a selective lift control unit in reply to Vito, 03-22-2008 19:15:38  
M,
Yes ,I understand I can't run both at the same time but what I am trying to do is be able to shut one off and the other on from the drivers platform area.
To answer your questions:
1951 Farmall H
One way loader
2 way remote set up
Thank you for your help.



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Janicholson

03-22-2008 20:22:29




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 Re: Will a selective lift control unit in reply to Vito, 03-22-2008 19:15:38  
Vito,
I have been thinking about the issue of your loader.
If you have a two way system attached to the right side of the Liftall pump output, and to use it it is necessary to pull and lock the Liftall rod control, then that is the only thing you can hook to the Liftall system. All other Liftall outlets must be plugged up.
If you want to run a compound action loader, with a two way on the bucket, and one way on the lift, then an open center valve block with two handles is needed. It should also be able to deal with one 2way, control. and one one way control.

The two lift cylinders need to be connected to a common input T (as Old indicated) this should go to the single acting valve. (it should allow up, hold, and down (by gravity)
the bucket cylinders (if two of them) should have the top of each cylinder attached to a T and that hose attached to one port of the two way valve.
The bottom of the bucket cylinders are also "T"ed into one hose that goes to the other pressure port on the two way valve.
A diverter will not help this as far as I can see.
Nor will a selector valve. The Liftall is a good unit, but it was designed for one way systems. Keep asking questions if this makes no sense. JimN

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Vito

03-23-2008 04:24:30




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 Re: Will a selective lift control unit in reply to Janicholson, 03-22-2008 20:22:29  
J,
The loader is going to stay as a trip bucket.All I really need is to take the feed from the right side and make it operate the loader and the rear remotes.That's why I thought the selective control unit or a diverter valve would function.
Happy Easter
Vito



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mkirsch

03-23-2008 05:50:13




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 Re: Will a selective lift control unit in reply to Vito, 03-23-2008 04:24:30  
You can't have both at the same time, but you probably understand that.

What needs to happen is the flow to the loader needs to be blocked off in order to use the rear remote. A simple shut-off valve in the line to the loader cylinders will achieve that.

What tractor are we talking about here?

One way or two way hydraulics on the loader?

One way or two way hydraulics on the remote?

The best way to have a rear remote and a loader is to have two separate valves to control them. If you're talking about a letter series tractor with a belly pump, that would be in addition to the liftall valve on the belly pump, because that valve would be used to feed the other two valves.

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Vito

03-23-2008 10:17:35




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 Re: Will a selective lift control unit in reply to mkirsch, 03-23-2008 05:50:13  
M,
I understand both can't work at one time ,but I was looking for a period correct unit that will shut one off and turn the other one on from the operators platform.
To answer the questions:
1951 Farmall H
one way loader( trip bucket)
2 way remote setup ( Xmas tree)
Thank you for your help
Vito



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Janicholson

03-24-2008 06:10:25




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 Re: Will a selective lift control unit in reply to Vito, 03-23-2008 10:17:35  
With more info as to the loader being lift pressure only, M's suggestion to put a shutoff valve in the line going to the loader is sensible. It might be necessary to put a similar valve in the line going to the 2 Way valve (Xmas Tree)it may be open center, bleeding all pressure to return unless shut off.
I do not think this would be "period" correct, as I don't think there is any "correct". I would also remind that the valve would be a safety issue in that the loader would need to be raised when the valve was closed. This would allow the loader to (possibly) drop if the valve was turned while the loader was up, either stationary, or moving. JimN

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mkirsch

03-24-2008 06:21:33




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 Re: Will a selective lift control unit in reply to Janicholson, 03-24-2008 06:10:25  
Vito,

The "period correct" way would be to remove the loader, or at least unplumb it, and plumb in the xmas tree valve.

Farmers had a lot more time back then.

You would definitely need a way to shut flow off to the valve to use the loader, and a way to shut flow off to the loader to use the valve.

Here's a selector valve that'd do the trick:

Link

However, it's $62.99, pretty expensive. If you're going to spend that much, why not get a one-way spool valve so you can run BOTH at the same time:

http://www.surpluscenter.com/item.asp?UID=2008032408265077&item=930-A&catname=hydraulic

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