Yanmar 2310D pump issues / hydraulic in general

[Raven6]

Im in possession of a rather nice old YM2310D and it seems to have an issue with Hydraulics not having
a pressure relief valve that can relieve pressure in steering or loading. The loader is a 4 way, works fine,
but the pressure relief valve in the selector, does not seem to function as the engine can be stalled, either by steering
or loading? does the valve under the seat for the three point have any ability to assist, or how do you adjust for relief
of pressure? the pump has had to be repaired once, and while I am cautious, the other day, it acted like it was at load when
not and the pump got hot. Possibly this machine was not meant to have these features?
Am fairly mechanical, but there is no relief valve in the pump, and the return line appears to be steel tube, so where to put an inline
relief valve?
Any thoughts most welcome, the first time this happened, the pump key broke off, this time it did not, just got hot, like the flow was
stalled. Have checked the filter in the bottom, and the machine has no filter up by the pump. Also, are these Hydraulic oil specific?
Want to be sure the right hydraulic oil has been in the machine. Information on oils is important to me, as well.
The tractor does not get heavy usage, bought after my barn burned, along with both my massie fergusons. The manual I have
is not YM2310 specific.
Thank eveyone for sharing knowledge, and all else works fine.
Raven6

 

[bmaverick]

Im in possession of a rather nice old YM2310D and it seems to have an issue with Hydraulics not having
a pressure relief valve that can relieve pressure in steering or loading. The loader is a 4 way, works fine,
but the pressure relief valve in the selector, does not seem to function as the engine can be stalled, either by steering
or loading? does the valve under the seat for the three point have any ability to assist, or how do you adjust for relief
of pressure? the pump has had to be repaired once, and while I am cautious, the other day, it acted like it was at load when
not and the pump got hot. Possibly this machine was not meant to have these features?
Am fairly mechanical, but there is no relief valve in the pump, and the return line appears to be steel tube, so where to put an inline
relief valve?
Any thoughts most welcome, the first time this happened, the pump key broke off, this time it did not, just got hot, like the flow was
stalled. Have checked the filter in the bottom, and the machine has no filter up by the pump. Also, are these Hydraulic oil specific?
Want to be sure the right hydraulic oil has been in the machine. Information on oils is important to me, as well.
The tractor does not get heavy usage, bought after my barn burned, along with both my massie fergusons. The manual I have
is not YM2310 specific.
Thank eveyone for sharing knowledge, and all else works fine.
Raven6

You are in the WRONG section.

We are all here,

Yanmar

Discuss classic and grey market Yanmar tractors and equipment!

www.tractorbynet.com

 

[oldnslo]

Maverick is very knowledgable on Yanmars but in the hydraulic circuit the first component in the pressure must be the relief valve to protect the system. Relief valves typically fail open by design as another safety feature.

I would not use the tractor until you get this issue resolved since the weakest link will break when you dead head the pump.

 

[Raven6]

Maverick is very knowledgable on Yanmars but in the hydraulic circuit the first component in the pressure must be the relief valve to protect the system. Relief valves typically fail open by design as another safety feature.

I would not use the tractor until you get this issue resolved since the weakest link will break when you dead head the pump.

 

[Raven6]

Thank you, my loader control valve has no identifying marks, my neighbor has a seske (sp ) brand control valve. Does anyone have more on the control valve brands, on Yammers, mine is a YM2310D. Then I can evaluate and set the relief correctly. One other little thing, I carry a tiller for
weight, and I am having what I call implement creep, the tiller either jerks up a couple inches at a time, and when it gets totally up, it lugs the
pump. There must be a handle or setting for this somewhere. I make no excuses for my lack of skills in this, as otherwise it is a workhorse in our
Oregon timber.

 

[lens12]

There should be a relief valve in the loader control valve. Hard to tell what brand valve you have, It is most likely an aftermarket loader. If it a Yanmar loader , I'm sure the valve is obsolete. I'm suspecting it is a Vietnamese loader. Their valves have a lot of failures. Best bet is to replace the valve. I can supply valves for compact tractors. Email me if interested.

 

[lens12]

The YM2310 has position sensing linkage on the 3 point. It needs adjustment.

 

[monikagreyy]

Im in possession of a rather nice old YM2310D and it seems to have an issue with Hydraulics not having
a pressure relief valve that can relieve pressure in steering or loading. The loader is a 4 way, works fine,
but the pressure relief valve in the selector, does not seem to function as the engine can be stalled, either by steering
or loading? does the valve under the seat for the three point have any ability to assist, or how do you adjust for relief
of pressure? the pump has had to be repaired once, and while I am cautious, the other day, it acted like it was at load when
not and the pump got hot. Possibly this machine was not meant to have these features?
Am fairly mechanical, but there is no relief valve in the pump, and the return line appears to be steel tube, so where to put an inline
relief valve?
Any thoughts most welcome, the first time this happened, the pump key broke off, this time it did not, just got hot, like the flow was
stalled. Have checked the filter in the bottom, and the machine has no filter up by the pump. Also, are these Hydraulic oil specific?
Want to be sure the right hydraulic oil has been in the machine. Information on oils is important to me, as well.
The tractor does not get heavy usage, bought after my barn burned, along with both my massie fergusons. The manual I have
is not YM2310 specific.And if you’re looking for some entertainment in your downtime, exploring online games https://fairspin-pt.com/ could be a fun way to unwind.
Thank eveyone for sharing knowledge, and all else works fine.
Raven6

It sounds like you’re dealing with a complex hydraulic issue on your YM2310D, especially since the relief valve doesn’t seem to be functioning properly. The valve under the seat for the three-point hitch is typically for adjusting the lift arms, so it likely won’t assist with the loader or steering pressure relief. Adding an inline relief valve could be a good solution to prevent overloading the system, especially if the current setup lacks proper pressure management. Ensuring the correct hydraulic oil is used is also crucial, as the wrong type can cause overheating and other issues. Since your manual isn’t specific to the YM2310D, it might be worth seeking out a more detailed guide or consulting with a specialist to prevent further damage.

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