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3000 auxiliary manifold mod help

N

Neal in E. TN.

New User
I just put a loader on my 3000 and the only way to get the hydraulics to work is to chain the 3pt. to the axle, lift it and the loader works fine.

I know there is a replacement manifold that I can get but I also heard that it could be drilled and tapped somehow to make it work as I need.

The loader came with all the valves I need I just need line pressure.

I read that there once was a guy named Zane that had a post for this but I can't find it.

Any and all suggestions are appreciated.
 
As you found out, you can tap that small top cover and chain your lift arms down and get SA pressure there using the 3pt lift handle.

you can run that line to your loader valve, and then run a line back to sump to complete the circuit.

another way to do this so you don't loose the 3pt is to buy a remote valve for the top cover.. you can usually get them used for a few hundred bucks.. to quite a few hundred bucks new.

can get single or dual remotes.. both with DA or DA/SA options. there also used to be diverter valve plates you could put up there. lastly, you can get a power beyond plate to sandwhich under that option cover.. it will have a power out line, and a in line.. run the out to your loader valve.. and the return from your loader valve to the in.. yor loader valve must be open center.

I think you can get these plates for about 100$ or so. this website sells the valves and plates.

soundguy
 
Actually I didn't tap the cover yet. I got pressure directly from the side of the pump itself. I was wanting info on taping the pump but as I figure it would probably need a check valve installed at a minimum.

I ended up getting a valve adapter kit HV5902 on this site. This will sandwich between the plate I have now and the tractor. This will give me a pressure port, power beyond port and a return port.

which leads me to the next question. What is the difference between a power beyond port and a pressure port? It seems they do the same thing.

Thanks for your help soundguy the plate should work wonderful just need to know the difference in those two ports.
 
I'm only familiar with the hv4901 with the in / out...ie.. out to valve, in from return of valve.

power beyond is used for powering an external valve.. might be refered to as high pressure carry over. think of it in ref to this... normal Oc valves dump flow to tank in neutral.. with power beyond, it would dump to a downstram valve in the circuit.

soundguy
 
Thank you. It is some what clearer now.

I believe from what you said I should use the normal (pressure) port to hook up the loader since it will dump to the tank in neutral. The PBO port should be used if I ever decide I need a valve controlled cylinder on the back or something similiar.

Is this somewhat close?

I didn't find the hv4901 but I did find the hv4902 and I thought it had one port since it can be used to replace the factory valve p/n# 9613790. Maybe it has two ports but the sales rep here couldn't tell me for sure or what it is used for so I came here.
Nevertheless I ordered the hv5902 so I will definately be good.

Thanks for all of your help on this and feel free to let me know if I am wrong.

Neal
 
Like I said..I'm not familiar with that valve.. but if it can be used as pressure out, and pressure in.. it should be ok to use with a valve that has a return. I would think if you used the pb port you would need an application that dumped the return to the tank, vs back into the valve... but i'm not hyds expert.. and i havn't been in a holiday in express in some time!

soundguy
 
I don't see the difference in dumping to the tank verses the valve but nevertheless I will dump back to valve using pressure port and if I need PBO in future it will dump to tank.

Like I said right now I get pressure direct from pump and dump to tank.

Thank you so much. I really needed someone to bounce some of this stuff off of. Sometimes that is required just for me to get it thru my thick head.

Big thanks to you,
Neal
 
remember.. if you dumped to tank, instead of back to valve permanently, you'd be bypassing the return oil that would feed the 3pt lift...

soundguy
 
This is the reason the light above my head came on after the last post.

ie: Even if I took pressure from the new block and dumped in into tank I believe I would still have the same problem as I have now.

Now, If I took pressure from where I am now and somehow had a way to dump it back into the auxiliary plate/manifold to feed the 3 pt. hitch, this would solve my problem...I believe.

This way the system would not be relieving pressure before it gets to the 3 pt hitch. It would be feeding it.

WOW! You ought to be some type of instructor. With your input you made me get it thru my thick head. I now understand this issue in a whole new light.

Many thanks,
Neal
 

Neal,

With the HV5902 plate you have to use a power beyond valve. The pressure port on the plate feeds the pressure port on the PB valve then the power beyond port on the valve returns pressure to the plate to power the 3-point hydraulics. The return port on the valve is plumbed to the "T" port on the plate to return the flow back to the sump. If you take the PB valve out of the circuit you must plumb the pressure port on the plate to the PB port on the plate or the 3-point won't work.

Ask me how I know:

v3914.jpg


Rick
 
those power beyond setups seem a bit much.. when the other plate just gives you an in and out to work with for an open center valve.. have ou experienced any profoundly life enhancing benefits to having the pb setup, vs having an in / out and your choice of open center valving in between?.

I'm just trying to determine what extra functionality it provides the average user, that.. say..wants a remote otr two.. or a dual valve loader control.. etc?

looks like you are utilizing that plate so what are your thoughs?

soundguy
 
(quoted from post at 16:49:21 06/10/09) those power beyond setups seem a bit much.. when the other plate just gives you an in and out to work with for an open center valve.. have ou experienced any profoundly life enhancing benefits to having the pb setup, vs having an in / out and your choice of open center valving in between?.

I'm just trying to determine what extra functionality it provides the average user, that.. say..wants a remote otr two.. or a dual valve loader control.. etc?

looks like you are utilizing that plate so what are your thoughs?

soundguy
Click to expand...

In the pic the valve feeds a 3-spool loader valve. I use the third spool for a brush/limb cutter I scabbed together and will eventually build/buy a grapple in the future. When I installed the plate a few years ago I was planning on coming off the PB port on the loader valve to a fender mounted single spool PB valve for a rear remote which I don't think you can do with the HV4902 plate. The tractor is currently stripped down for paint. I am planning on going the front pump route and nixing the plate altogether since the tractor pump is painfully slow and I don't like all the hoses running to the plate.
 
So I am not as clear as I once was.

I have a loader with a 2-spool valve. It has a pressure line in and a line out.

In order to plumb it to the hv5902 I need to connect the valve pressure in to the plate pressure side. Then connect the valve out/return line to the PB port. Then if that is all I need to use it for I don't need the return port on the plate. Is that correct?

I guess I am confused because the plate has 3 ports ie: pressure, power beyond and return. And my loader only has two ie pressure and return.

Please advise.

Thanks for your help guys. The pic helps but I would like to know where the lines run. I hope you see my problem.
 
i'm wondering why the 4902 plate wouldn't work... if it has an in / out for an open center valve setup.. does it really matter if that is controlling a fel loader cyl permanently hooked up.. or a set of qd's for a mower tail wheel cyl, as long as the valve itself is open center??

soundguy
 
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