Directional Control Valve: Kubota Review  -- Kubota Tractors Discussion Forum and Review Directional Control Valve: Kubota Review -- Kubota Tractors Discussion Forum

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 01-05-2001, 09:32 Post: 23097
Danny Hsu



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 Directional Control Valve

I have a 1990/later Kubota B7100HST-D. While reading thru my operator/owner's manual on page 12, the topic of Directional Control Valve pops up. Anyone out there have any experienced of its use? I am considering hooking up a 'tilt and trim' cylinders for my box scraper. Any thoughts about 'tilt and trim' ?






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 01-05-2001, 10:31 Post: 23101
Bird Senter

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 Directional Control Valve

Danny, I used to have a 1995 B7100HST, but don't recall anything in the manual about a directional control valve, so I don't know the answer to your question. I do know that there is an optional hydraulic outlet kit for my current B2710 and I have one on order (hasn't arrived yet) to put the hydraulic "tip 'n tilt" on my tractor. Tisco makes a tip 'n tilt "kit" for the B8200/9200 tractors and I have ordered the individual components; cylinders, valve, handles, knobs, and linkages (in other words, the same kit without the hoses which I'll have made locally to the lengths I need). Instead of using the optional hydraulic outlet, apparently most folks are using the power beyond port on their front end loaders to do the same thing. And now I don't even remember whether my B7100 with the B1630C had the power beyond feature so I don't know whether that is an option you could consider. If you want the part numbers for the above components, e-mail me.






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 01-06-2001, 06:26 Post: 23124
TomG

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 Directional Control Valve

Somewhere I got the idea that a 'directional control valve' is what I call a 'diverter valve.' The diverter valve on my Ford 1710 is part of the manifold/relief valve block on the side of the tractor. The valve selects between remote (3ph) and auxillary hydraulic systems. I haven't verified it, but I think that with the valve in aux position, the 3ph doesn't work. I believe my loader and rear hydraulics are powered from the aux system, but the open centre flow is routed back through the 3ph high-pressure line. The way it's plumbed, the 3ph doesn't work if any of the loader valves are actuated.

Something like that probably can be done, but it sounds like Bird has got a line on a kit. It might be easier to get a kit, which should have good plumbing instructions.






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 01-06-2001, 09:49 Post: 23131
Danny Hsu



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 Directional Control Valve

Thank you Bird and TomG, Both of you are right on the money. The diverter valve will disable the 3PH lift. I will have to tap to the hydraulic block when simultaneous 3-point hitch operation is needed. I will have to use the control valve of the 'Power beyond type'??? for the operation of the hydraulic block. I think I better wait and learned more about it before ordering anything? Bird, can you give me an estimated cost for the kit versus the parts? Would it be advisable for me to contact Tisco directly since I have a different model? Thanks again. Dan






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 01-06-2001, 20:27 Post: 23140
Bird Senter

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Danny, apparently Tisco's web site is for dealers only, but you can send them an e-mail and ask for the location of the nearest dealer (or call around to tractor dealers and ask if they handle Tisco products). And different dealers sure use different price sheets. One dealer quoted me a price of $861 for the "kit" plus $100 to $150 if they installed it and for individual parts; $240+ for the two spool valve, $220 each for cylinders, etc. I HOPE I picked up all the components I need today and the dealer I got mine from charged $203.84 for the valve and $185.70 each for the cylinders, but by the time I got the handles, knobs, linkage kits, hoses made, fittings, etc., I spent $760+ today and now I just have to find time to see if I can install it all. Of course $69 of that was a hydraulic block for my Kubota that you wouldn't need if you use the power beyond port on your loader valve. Try the link below to contact Tisco.






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 01-06-2001, 22:34 Post: 23148
Danny Hsu



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 Directional Control Valve

Bird, You are right. I will have to order the parts thru a dealer. If you don't mind, Can you tell me what the extended lengths and bore sizes of the cylinders?I am trying to visualize the setup. I would like very much to hear from you after you install your unit and can give us a evaluation. Thanks again for all your help. Dan






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 01-07-2001, 12:24 Post: 23159
mike dewald



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 Directional Control Valve

Danny: I used to own a B7100 that had the "diverter valve". I used the valve for the loader. When the diverter is used for something else, the 3 pt. cannot be used. This would not be good for top and tilt hydraulic setup. Also if the diverter is used with an implement (ie. blade) raised on the 3 pt. it is difficult to turn the valve due to hydraulic pressure. I would strongly recommend the use of a hydraulic block attached to the Kubota hydraulic line. (My older 1984 B7100 did not have the block, but the line and block could be purchased - $168.) This allows use of an acessory hydraulic spool and yet lets you use the 3 pt. at the same time. You will be much happier not having to switch back and forth. I believe the newer B7100's have the hydraulic block in place.






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 01-07-2001, 15:30 Post: 23165
Danny Hsu



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Mike, Right on. I have a newer B7100 and it has a hydraulic block, however, the loader is tapping into it right now. I think I can put a tee to the loader since when I am utilizing the 'Tilt and trim' at my 3ph, I am not using the loader. Am I correct? Also, I am looking at after market cylinders and control valve if I can figure out the bore and stroke of the cylinders involved. The kit from Tisco is about $861.00 and that's a bit much for me. Any suggestions? Thanks for the response and you have a nice day. Dan






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 01-07-2001, 16:24 Post: 23167
Bird Senter

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Danny, I'll post a message about the whole saga if and when I get my little project completed, but I've run into a couple of little snags, AND got a little snowed under with other things, but the cylinders I got are both 2" diameter. Length measurement is center of pin to center of pin, and the top link is 20" with an 8" stroke while the side link is 13.5" with a 3.5" stroke.






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 01-07-2001, 18:52 Post: 23174
mike dewald



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Danny: Yes a "T" should work well off the hydraulic block. A separate line could then run to a spool and used for the top and tilt. I haven't tried it, but you might consider looking a cylinders from farm supply stores (Country General, TSC). If the bore, stroke and length is known (Bird's message) maybe these could be modified to fit.






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Discussion Boards > Active Subjects > Messages as Posted > Kubota Review Forum

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