Go BottomHydraulic Fluid Shooting out back Connection point
 | Shibaura2843
Join Date: Jun 2011 Posts: 14 Washington State 
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2011-06-21 179110
I have a Shibaura 2843T I use to pull a brush hog and perform light lifting. It has a front loader. Right now I have the brush hog attached. Yesterday, fluid starting shooting out of one of two hydraulic attachment points that are together (one on top of the other) just below the seat on the right rear next to the fender. There is a ruber dust flap next to them. I never even noticed these two lines before. I just happen to be looking back to make sure the brush hog cleared as I turned the tractor and saw fluid in a long stream hitting the top of the deck. Question: Was this line blocked before and something fell off, is the other line a return and am I missing a u-shaped piece to send the fluid back or can I simply go to my hardware store and find the appropriate metric bolt to screw in and tap the line that is now leaking? Stuff falls off this tractor all the time when I am mowing, but this is a first. I don't even know what the two lines are for. I will post a picture of the location on the tractor if necessary. Anyone know the answer to this?
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 | auerbach
Join Date: Sep 2007 Posts: 2168 West of Toronto 
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2011-06-21 179117
Until another Shibaura owner comes back, I'll suggest this. Locate the leak! (You first talk about its being from an attachment point, then from a line.)
Top up the fluid, clean the area, wear protective gear, start up briefly so the system slightly pressurizes, and if the source might be hard to find try wrapping paper towels around to see where the soaking starts. When you know where to stop it, we can talk about how (unlikely through a hardware store). ....
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 | kthompson
Join Date: Oct 2005 Posts: 5275 South Carolina
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2011-06-22 179121
Not sure what you have but along the maybe options here:
if it is a remote hyd hookup the ends of those hoses normally have valves that seal when not connected. At same it is possible there is leak and you happened to hit the lever to operate the valve or have in time past but never noticed it. If a remote set up there would not be a "U" hose for that circuit. Also both hoses would serve as pressure and return just depending on the way the valve is operated. ....
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| Shibaura2843
Join Date: Jun 2011 Posts: 14 Washington State
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2011-06-22 179124
Thanks and you may be correct. I may have hit one of the dozen levers on this tractor that have Japanese writing for labels, and activated a valve opening this auxillary line. Both lines are 1/4" steel lines with fixed nuts on the ends. They are both threaded on the inside. They come out flush beside the rear fender flap on the right side. The lines parallel each other up and over the transmission housing under the seat to the other side and disapear between the left rear fender and transmission body. I thought the inside threads were metric, but turn out to be standard fine thread. If I can't find a lever to shut off the flow, I am going to block the line with a nut and rubber washer. ....
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| Shibaura2843
Join Date: Jun 2011 Posts: 14 Washington State
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2011-06-22 179125
Thanks auerbach, and yes I refer to them as attaching points because they are two parallel 1/4" steel lines with fixed nuts on the ends. The inside of the lines are threaded. They appear to be auxillary hydraulic attachment points for something connecting to the back of the tractor. I don't have anything that needs fluid off the back, so I never paid any attention to there existence before. kthompson mentioned that I may have inadvertantly activated a valve allowing fluid to run through one of the lines. As soon as I lift the brush hog deck a steady stream shoots out of one of the lines. I have probably lost half my fluid by now trying to narrow down a sollution. ....
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| kthompson
Join Date: Oct 2005 Posts: 5275 South Carolina
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2011-06-22 179126
Well you did not describe remote hyd lines. My guess is the lines are for such as back hoe. If you find the proper plug fittings you should not need a rubber washer. Metal tubing seals against another metal surface. Their is a lot of pressure there than might blow out a rubber washer. Now saying all that some fittings do have a "O" ring on them or such. ....
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