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Power Beyond Spool

S

Stan Coryell

Member
I have a tractor with an auxiliary hydraulic pump and spool valve (with pressure relief, power beyond, and open center) for the loader. I would like to run a 3pt log splitter off of this set up. I'm not sure how it gets hooked up.

If the log splitter is open center do I use the power beyond for the in on the log splitter and tee the out to the tank line?

Will this setup still use the loader spool as the relief?

The log splitter won't be plumed all the time. I plan to put quick disconnects in.

Thanks in advance,

Stan
 
Need more info on which tractor model and do you have a power beyond plate under the seat....

BUT... with out doing much, put some quick disconnects where it connect to the loader controls as you dont use the loader same your splitting logs... so you might consider that.. does your splitter have open center controls on it. Is it a 3pt or can it sit on the side of the tractor?
 
Your power beyond outlet will operate the splitter at the same pressure your loader relief is set at. Another relief if needed for the splitter is additional.
https://www.baumhydraulics.com/images/PDF/terms_hydraulic_control_valve.pdf

Beagle
Baun Iron Tech page
 
The way I read it, this is for all intents and purposes a "self contained" hydraulic system with its own pump (either crankshaft or PTO driven), reservoir, valves, plumbing, etc.

It is separate from the tractor's hydraulic system. Please correct me if I am wrong.

Where is the power beyond connected now? If nowhere it should be as simple as connecting the power beyond output to the IN on the log splitter valve, and connecting the OUT back to the reservoir that the pump pulls from.
 
I would plumb the loader into the power beyond with a joystick valve for loader operation and use the regular remotes for the splitter. Just tie the lever if you don't use the tractor valve for the cylinder operation. This would separate the loader out of the remotes so they are available for other uses like mower or plow and such things.
 
For what its worth, my 7 gpm Ford 3000 was very slow in operating my 4x24 hydraulic cylinder using the rear remotes. No idea as to how the flow is as compared to rear remotes from the power beyond ports.
 
Your Ford 3000 has a 7gpm hydraulic flow rate? Is this from an auxiliary pump or from the hydraulic pump that came from the factory with the tractor? I thought they were 5gpm flow rate.
 
No clue what valves you actually have there but on the old Parker-Hannefin valves there is what they call a high pressure carry-over Special Plug with a couple O-rings that energizes the power beyond port. With those you can have power-beyond power-beyond ad infinitum. It's optional, I had to buy one.

Yes, you have to make sure you return that flow to tank in an open-center system. God help you if a quick-connect pops off or if you forget to hook up the return tho. Things will go pop. Without my attachment hooked up, I connect the output & return lines together & zip-tie behind the connector sleeve so it can't come apart accidentally.

best of luck, Wil
 
Your splitter circuit will use the supply control valve's relief valve unless your splitter's valve has one too in which case it should be set lower than your system relief.

This post was edited by WilBury on 03/10/2022 at 08:45 am.
 

The pump is crankshaft driven and the spool is a Prince 5200.

The log splitter is a Bush Hog 3pt.

I guess I'm still unclear. If the power beyond plug is installed, can I remove the log splitter spool from the circuit? As in does the loader spool need to use the power beyond port as a return?

Would it matter if the log splitter spool is open center or closed center? What I'm getting at is, if it needs to be open center, wouldn't it have to stay in the circuit?

I'm not sure what the log splitter valve is yet. I'll look into it this weekend.

Thanks everyone for your replies so far.

Stan
 
Patience Stan. I'm working on some info & pics for ya & will post later today. Just don't power it up 'til you're sure it's OK. :shock:
 
Great! Is that an MF 202 tractor? While you're at it, can you give us the model # of the splitter? Maybe even the valve number? Knowing whether it's open or closed is important too.

That Prince valve should do exactly what you want for this application but only if it's being powered properly. Is your pump a gear type mounted in front of the engine with maybe 17-20 GPM output at speed? If so, you should be stylin'.
More info on the pump would be good to make sure system relief (on the Prince?) is where it should be.

Quick answer on the plumbing, for open center, with two sets of #12 quick connects, the tractor needs male & female and so does the splitter. Kill engine, disconnect the splitter, connect the hoses back on themselves. Same at the tractor. Double check & zip-tie the tractor quick connects. Drop that splitter & give 'er. Wil

Prince 5200 Valve http://www.princehyd.com/Products/Hydraulic-Valves/Mono-Block/25-Gallon-Two-Spool

Prince 5000 Series Instruction Sheet http://www.princehyd.com/Portals/0/valves/RD5000InstS.pdf

Bush Hog Splitters https://bushhog.com/discontinued/discontinued/
https://store.germanbliss.com/bush-hog-log-splitter-parts
 
Yes, it's a 202. The pump is a Parker P16.
I don't have the Prince Loader spool in
front of me, but it's a 5200 open center,
4 way, with power beyond. Power beyond is
not installed yet.

Quick answer on the plumbing, for open
center, with two sets of #12 quick
connects, the tractor needs male & female
and so does the splitter. Kill engine,
disconnect the splitter, connect the hoses
back on themselves. Same at the tractor.
Double check & zip-tie the tractor quick
connects.

This sums it up. Thanks! I'll figure out
if the log splitter spool is open center
tomorrow.
 
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