what would be the risk if were to instal?

   / what would be the risk if were to instal? #1  

deepNdirt

Veteran Member
Joined
Sep 17, 2009
Messages
2,101
Location
Nth East Ga, USA
Tractor
yanmar YM-1700
Hi Folks,
What would be the risk if i were to install a hydraulic cylinder the one side of the 3 point lift to give control to the angle while in the seat,
several moths ago I purchased a small cylinder along with its remote and all lines, I have been holding off installing it until I gather more information, ( the pro's & con's ) would there be any ill effects if I were to use a hydraulic tilt control on the 3 pnt lift ? the tractor is a CUT YM 1700 .... I'm thinking worst case scenario and would be a major mess-up here, ..... The 3 pnt is gravity down so basically only working with the weight of what ever implement being used,
But lets say the cylinder were to extend too far on the one side.... would this put excessive pressure on the upper lift arm ( Rock arm ) of that side? could it be possible to break this component?:cool:

I know using the 3 pnt as it is the Hydraulic lift controls everything equally from side to side....... I guess what I'm asking is... will there be a risk of breaking something/anything if connecting a hydraulic cylinder to one side?
Thank you for your input on this subject,
 
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   / what would be the risk if were to instal? #2  
Two things I'd be concerned with:

One: overstressing one side of the 3PH. Also, unless those drafts arms are tied together somehow, you might also be overstressing the attached implement on one side.
Two: How to control the down pressure. You'd need a valve or controller that can increment down pressure.
 
   / what would be the risk if were to instal? #3  
How I understand you, you want to install a tilt cylinder of a top and tilt setup. This is done all the time and as long as the cylinder is the right size, you should have nothing but good results.
 

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   / what would be the risk if were to instal? #4  
A hydraulic tilt cylinder would work great.
I've been running a hydraulic top link and a hydraulic tilt cylinder for years on my tractor.
I highly recommend it!!
 
   / what would be the risk if were to instal?
  • Thread Starter
#5  
Been doing some more work on this assembly, I now have the remote mounted and the lever out of the way but yet a convenient location,
Next comes the important part, (the hydraulic lines) I know this has been discus more than a few times around here:cool: ..... Power Beyond.... Back when I installed the FEL some of you were kind enough to help me along to figure out the right way to do it:thumbsup: There is this PB port & adapter, I cannot remember why I did... but I used this port as the return line back to the tractors line, and then used the port above as the tank return line, Can I simply reverse these lines? using the tank line to the tractors return instead, and then this will free-up the PB port/line to use with the rear tilt hydraulic control,

The first picture is the PB & adaptor port,
the secound picture is where the PB hose is going back to the return line.
3rd picture is the top port and 4th pict. is hose leadng to the tank,
 
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   / what would be the risk if were to instal?
  • Thread Starter
#6  
Here is what I think I'm supposed to do, if any of you see anything looks wrong please do advise,;)

I have the control mounted to the fender and hope to get easy access to the ports, the inlet port will be a little difficult to get to as it is up against the edge of the fender as you can see,
the return line should be easy enough to rout back around and re-install into the Tank,
the actual hoses that go to the hydraulic cylinder are going to have to be flexible enough to move with the lift arms, You see 2 plugs on the back does anyone know if these can be used for the lines? I so it sure would simplify things the routing of these hoses,;)
on the last picture you can see I'm having to weld on top of the cylinder a Ball & socket for the Cat# pin.
 
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   / what would be the risk if were to instal? #7  
All the control valves should be in series. Starting at the pump, to the IN of the first valve, then flow out the PB port to the IN of the next valve, and so on and on, until the last valve, which does not require a PB port. . All the cyl expended fluid should go out the T/OUT port to tank.

Your 3pt valve should be the last valve in the series connection.

Those ports in the third pic, could be optional hose connection ports
 
   / what would be the risk if were to instal?
  • Thread Starter
#8  
JJ if I'm understanding this correctly, I should use the line coming from the out of the tilt valve and go directly into the tractors line that goes to the 3 pnt lift control? and therefor would be no need for a tank line? if so this would be great :thumbsup: if you can remember it was this hose I wanted to eliminate in the very beginning back when I was rigging the FEL;)

I did try as I mentioned before, about switching the lines around, and even though the FEL still worked as it should, I had no 3 pnt control.... although It would lift at the same time when lifting the FEL....... of course this was not having any connections to the rear tilt control or cylinder,.... was more or less a trial and hope for no error experiment :eek: ... and now that you have explained and if I'm understanding correctly the rear 3 pnt lift will work normally when I complete the circuit from the rear tilt valve to the hard line that goes to the 3 pnt lift......
 
   / what would be the risk if were to instal? #9  
If the tilt valve is the lastvalve before the 3pt valve, it should have a PB outlet, but a lot of people have used the out/tank line to the 3pt. The warning here is if the tilt valve can stand a lot of back pressure it might work. If you read the specs on some valves, it will say something like no more than 500 psi back pressure.
 
   / what would be the risk if were to instal?
  • Thread Starter
#10  
here is a drawing of what I believe I understand, However now when reading mention of another PB on the return port from rear tilt control, I may have to work something else out,
the info I got on this valve is Parker VY13D1
Auxiliary Valve
4-GPM
2000 psi
Double action spool

I'M not sure if this valve can be fitted with a PB adaptor.

Let me ask: is there an auxiliary port anywhere from the 3 pnt lift valve that can be used to feed the tilt valve? and then let this valve be the last in series and dump back into the tank?
 
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