Changing spool valve on b7100

[Sedgwick11]

Hey guys new to the forum here, picked up a kubota b7100 this fall and made a custom snowblade for the front that mounts on the fel. I would like to make it hydraulic tilt for it but don't have anymore ports. What would be my best option here i was wondering about changing the spool valve to something like the one in the attachment but not sure of the compatibility. New too the tractor seen. Thank's Curtis

 

[old and tired]

Does that valve have power beyond? Does your tractor have PB?

Your tractor loader valve, how many hoses are connected to it?

 

[Sedgwick11]

I dont believe so, 6 total the 4 for the loader and the feed and return, I cant use the 3 point lift and loader at the same time there is a valve on it to run one or the other.

 

[North Idaho Wolfman]

That valve will work if it's an open center (OC), and has power beyond (PB).
Some valves require an adapter to make them have OC or PB.

Now I would replumb your tractor to run it the right way off the block in the front (if equipped) if not break the supply line and add fittings to tap into the feed, this will do several things.
Allow use of both the three point and the loader at the same time.
do a better job of managing fluid flow (I.E. Back / Over pressure management issues).

 

[Sedgwick11]

Sorry old and tired I answered your question wrong, yes it does have open center thats the specs in the picture, So would i essentially put a tee in instead of having that valve then? And there isn't a block in the front on this one. That would be a big bonus not having that valve to mess with!

 

[Sedgwick11]

Would this be a better option? Looks like it would fit better in the factory spot. Not sure what the factory threads are.

 

[old and tired]

Sorry old and tired I answered your question wrong, yes it does have open center...

Open center can have power beyond or not have PB... What I don't know is changing Open Center without power beyond to one with Power Beyond (like North Idaho Wolfman stated / recommends).

Personally, I would not mess with changing it over to power beyond and just swap it out, open center (w/o PB). I've never needed the 3ph and FEL at the same time...

 

[North Idaho Wolfman]

You can't tee into an Open Center system, it won't work.
You would have to cut the line and tap into the loop.

 

[old and tired]

Yea, forgot about the "T" - you can not "T" into the pressure line only the low pressure return to tank (but that's with Power Beyond, which you don't have).

The 2nd valve you listed is too big; capacity 30 GPM and (large ports) I/O ports 3/4" NPTF https://www.ebay.com/p/18028895623

The first one shown; https://www.ebay.com/itm/HYDRAULIC-LOADER-VALVE-3-SPOOL-W-JOYSTICK-10-GPM-W-FLOAT-SPOOL/274533781838

Is 10 GPM (closer match to your tractor) and ports that might connect without adapters (but you'll have to check that out - what your valve uses now...)

 

[Sedgwick11]

Thanks for the help guys would either of you have any leads on a valve? cant seem to find one that's a 10 gph or smaller thats has the float feature on one spool and the same layout as the larger valve I posted. That would be ideal or I could make that other valve listed work, would just rather have the 3 stick instead of the dual action of the other being ill only have the snow blade on 5 months of the year.

 

[Lil Foot]

Try these guys:

Surplus Center

Warehouse distributor for many top name manufacturers. Parker Hydraulics, Hypro Pumps, Prince Hydraulics. Direct from the factory. Surplus equipment. We buy large quantities of manufacturer's surplus or excess stock.

www.surpluscenter.com

 

[old and tired]

So, I wish I knew more about plumbing just open center w/o PB (or converting just an open center to one with power beyond like NI Wolfman talked about). If your system had power beyond, you could have just added another spool with a single stick for the plow. I don't know how to plumb just an Open Center system.

You can use a Double Selector Valve to change the curl feature of the FEL into the snow plow tilt. (also, I assume when you said "tilt" you mean to swing left or right - or am I off base?)

Look and read about this option...

6.6 GPM 12 Volt DC Double Selector Valve DFE080 | Selector Valves | Hydraulic Valves | Hydraulics | www.surpluscenter.com

6.6 GPM 12 Volt DC Double Selector Valve DFE080, Selector Valves, 12 VOLT DC HYDRAULIC DOUBLE SELECTOR VALVE New, WALVOIL model DFE080 12 voltWalvoil,DFE800,

www.surpluscenter.com

 

[Sedgwick11]

I wish I knew more too about the plumbing side im very green to that haha, I kinda just want to just change that spool regardless the float feature seems to be intermittent sometimes. Yah by tilt I mean side to side as I do use the curl pretty constantly while plowing, when I made the blade I tryed to make it so it can tilt pretty far back like a bucket. I'll take some pictures tonight of it.

 

[old and tired]

So if you get the first valve (you listed) with the one stick to control two valves... you might be able to convert it back to two sticks, if that is what you want.

 

[Sedgwick11]

Yah maybe have a quick connect on the one port if that would work. Here is a couple pictures of the plow I made tried to keep it from sticking out as much as possible and try to somewhat work as a bucket if I needed it too haha. Also found this blower down the road from me picked it up for 500 bucks needs a good clean but shes pretty minty off topic but any things I should look out for on this tractor?

 

[gas man]

where did you get those tire chains? all i can find is ladder chains, i want a pair like that!!!

 

[Sedgwick11]

where did you get those tire chains? all i can find is ladder chains, i want a pair like that!!!

My dealer tracked them down for me I believe it was qccanada.com they were pricey little bastards!

 

[old and tired]

See this thread about a B7100, too: https://www.orangetractortalks.com/forums/threads/spool-valve.48744/

Used a valve that I used... https://www.surpluscenter.com/Hydra...l-8-GPM-Prince-MB31BBB5C1-DA-Valve-9-7863.axd Only problem is that it does not have Float.

 

[Sedgwick11]

Yah if I can't end up finding exactly what I want i might have to go that route the floats just so handy for plowing

 

[Sedgwick11]

Hey guys I just seen this valve pop up on ebay what do you think? it seems to fit the criteria https://www.ebay.com/itm/1x-FLOATIN...l-Valves-2x-DA-Double-40L-11-gpm/303849031932