Hey everybody ,Just wondering if anyone knew or had an idea for me on setting up remote hydraulics for my jd 1070 . I have hydraulics that service my front loader but I was thinking about adding hydraulics for the rear and the side.Thanks for your reply and Merry Christmas!
remote hydraulics
- Thread starter doverking
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/pine
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Also...search around there a many threads on the topic...try this one:
http://www.tractorbynet.com/forums/hydraulics/149244-john-deere-1070-remote-hydraulics.html
http://www.tractorbynet.com/forums/hydraulics/149244-john-deere-1070-remote-hydraulics.html
Have you found any thing on putting a set of rear remotes on you tractor.? I'm been looking myself for my jd1070. I have power beyond. But from what I can understand it's only good for a backhoe and a log splitter.
Jim Timber
Veteran Member
You need a valve to control the power beyond flow. With the ports you're talking about, they're looped together now, and you'd remove that hose and place a circuit between those ports (log splitter, stump grinder, etc). A SCV would place the valve on the tractor and you'd actuate a cylinder on the implement (like a set of transport wheels on a disk or such).
J_J
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Here is your tractor data.
Hydraulics:
Type: open center
Capacity: 5.5 gal [20.8 L]
Pressure: 2250 psi [155.1 bar]
Total flow: 9 gpm [34.1 lpm]
If you have a loader, the PB line goes back to the side of the tractor for the 3pt. Disconnect it.
The PB from the loader would then go to the IN port of the remote valve and the PB from the remote would go to the 3pt.
You could also insert a QD on the remote PB and use that for a log splitter or BH.
Hydraulics:
Type: open center
Capacity: 5.5 gal [20.8 L]
Pressure: 2250 psi [155.1 bar]
Total flow: 9 gpm [34.1 lpm]
If you have a loader, the PB line goes back to the side of the tractor for the 3pt. Disconnect it.
The PB from the loader would then go to the IN port of the remote valve and the PB from the remote would go to the 3pt.
You could also insert a QD on the remote PB and use that for a log splitter or BH.
I'm still dont understand it the PB has to have a constant flow of oil. Unlike the fel valve. Is there or was there something fron jd parts. Or anyone with pictures can help. Or something be tap in around the fel valve. Or something electric over hydraulic.
ovrszd
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This is very confusing at first. You gotta slow down and listen to JJ. He knows hydraulics and will guide you right. You might have to give him accurate and specific information as to your current setup. But sounds like he already has researched your tractor. When I first started working with hydraulics I would not have understood what he said at all. Now it makes perfect sense.
J_J
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PB means power beyond, which is also rated for high pressure.
You could say that PB starts at the pump, and is a term used in open center hyd systems.
In an open center hyd system, there is usually a gear pump that runs when the engine is turning.
The pump will pump hyd fluid through all valves until it gets to the tank.
Each valve has an IN port, and OUT port, and most have a PB port. If there is only one valve in the flow path, all the flow will exit the OUT port. The PB port will then have a plug in it.
If there are several valves, the flow from a PB port with adapter is used to send fluid downstream.
An adapter is used in the PB port to separate the pump flow from the cyl flow, and pass the fluid downstream. It is also called carry over fluid, or PBY.
As the fluid leaves each valves PB adapter and feed the next valve, it is considered power beyond flow and exits the valve for downstream use.
The PB thing can occur with many valves. Each valve should have a PB port and adapter.
Something like a log splitter or a BH needs this PB flow to operate.
All valves in an open center hyd system is in a series flow path.
In most cases, the PB flow is interrupted as it goes to the 3pt circuit, and the flow is re-routed into the log splitter valve or the BH valve. The OUT flow from those valves usually goes to tank.
