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D17 hydraulic question

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Rich in N. Minn

04-15-2008 05:26:21

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Hi Everyone:
I would like to know if anyone has a diagram or photo or advise as to how I can plumb a two-way spool to run a hydraulic plow. I know that it can be done by using the existing pump that is in the tractor and that I have to have a line that goes from the tractor pump to the spool and returns to the hydraulic sump. Any help out there would should be appreciated. Thanks

Rich in N. MINN

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04-16-2008 18:56:50

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 Re: D17 hydraulic question in reply to Rich in N. Minn, 04-15-2008 05:26:21  
I did the same on my D17 recently and it is very, very slow. I used the transport valve. Sure would be nice if there was a way to speed things up. Kind of wondered if I did something incorrectly, but I don't think so.

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04-17-2008 16:57:59

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 Re: D17 hydraulic question in reply to Smith1000, 04-16-2008 18:56:50  
Speed is not an issue if you use the right cylinder and valve. ie- low volume, high pressure. Yes, if you connect the typical new valve to a typical 2000 psi cylinder, it will be slow. Also, the pressure relief valve on the valve needs to be the same rating as the cylinder- if it is 3200, it will blow the cylinder apart. When using the transport valve to supply oil to the new valve, screw the TV all the way in to get full flow. Turning it all the way out is for using it to raise a towed machine, like a disc- cuts down gpm flow to the remote. The TV does not shut off flow in either position- just changes the amount of flow.

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04-15-2008 09:30:44

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 Re: D17 hydraulic question in reply to Rich in N. Minn, 04-15-2008 05:26:21  
The operator manual shows three setups that were available for various uses. If your tractor has the transport valve on the rear housing, instead of just the plain remote hookup, it is an easier setup because you already have the return line plumbed back to the reservoir. Add a two-way valve, plug it into the remote, and run the return line back to the reservoir. To use that remote, you"ll need to lock the lift/lower lever into the "lift" position be engaging the lever into the square hole in the quadrant.

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Rich in N. Minn

04-17-2008 18:37:54

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 Re: D17 hydraulic question in reply to JMS/.MN, 04-15-2008 09:30:44  
I just have the remote connection, not the transport valve so as I see it, I should run a line from my remote to the 2 way spool. I should have a t placed in the return (sump line). I can then use the other two ports on the spool to run my ram in either direction. I also understand that I will have to have the hydraulic lever in the quadrant in the "on" position to have the hydraulic pump running. I intend to used this set up to run the hydraulic operation for the equipment (press drill, plow, cultivator, disc).

I do have a pto driven hydraulic pump with its own resevoir but that tends to be cumbersome having it attached to the pto shaft on the back of the tractor when I am pulling equipment.

Thanks everyone.

Rich in N. Minn.

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