hyd control valve on 3 pt

[kenmac]

anyone had any problem with their control valve on the 3 pt ? I think mine is bad or going bad.
At idle, the 3pt lift will not stay up, and I have to run about 2200 rpms (wide open) just to get any speed out of the loader. As soon as I turn the tractor off, the 3 pt starts to fall. Within a few seconds my box blade, cutter is on the ground.

 

[clemsonfor]

Mine leaks, always has. It's not the oring in the piston, I have changed it and when locked out it will stay up forever. Mine will lift the box at idle but if you Rev it up it will lift a little more. As soon as I cut it off it will start to slowly sink and in a few minutes be on the ground. I have talked to Aaron and he said does it work I said yes, he said who cares if it falls iTs a 35 year old tractor. I said cause it bugs me. He said well you could spend the money to buy the new valve or just live with it. That was quite a few years ago. I have just got over it.. I did take the thing apart, clean it and replace any Oring that I could to ensure it was working right.

 

[kenmac]

well, I'm thinking it also has something to do why I have to rev the engine so high to get the 3 pt to lift ,or the bucket to raise..
At idle and something on the 3pt. It will slowly fall to the ground
Maybe the relief in mine along with the seals are bad.. This only started about a week ago.

 

[winston1]

Starting sudden like would make me consider checking the relief valves making sure they are not leaking by. Interesting it takes a long time for the bucket to raise, can't understand the relationship between that and the 3 point dropping. I can't remember whether you have power steering or not?

A little research and I see you do have the factory power steering. I suppose the diverter valve allowing to much fluid to go to power steering could cause slow loader response but I still see no connection to your 3 point dropping so fast.

 

[careyo63]

Been through this before just as Clemsonfor said his problem was. My Valve was is in such bad shape It would fall running. No FEL.. I was able to keep it from falling running with a good ole ghetto rig that has worked for Yrs.. 10. It will still fall very slow not running but That doesn't bother me enough to replace the 3pt. Valve since I rarely use it but to lift the mowers and every so often use a Rear scoop. And if the FEL. is that slow my guess is you have a problem with the Hyd. Pickup screen dirty. :2cents:

 

[kenmac]

Starting sudden like would make me consider checking the relief valves making sure they are not leaking by. Interesting it takes a long time for the bucket to raise, can't understand the relationship between that and the 3 point dropping. I can't remember whether you have power steering or not?

A little research and I see you do have the factory power steering. I suppose the diverter valve allowing to much fluid to go to power steering could cause slow loader response but I still see no connection to your 3 point dropping so fast.

Well, That's what I'm thinking as well, The relief in the 3 pt valve is leaking and causing me to have to rev the engine pretty high to get descent loader movement. I'm thinking this may be why the 3 pt is dropping as well, but I could be entirely wrong .

And yes winston, I do have factory ps

 

[careyo63]

I would first and how there is no mention of even checking and adjusting the Hyd. Flow should of been the first thing. It's on the side of the 3pt.. Out of stock at Hoye is a good indication they go bad often.
HYD VALVE - Out Of Stock - call for used: Yanmar Tractor Parts

 

[kenmac]

I would first and how there is no mention of even checking and adjusting the Hyd. Flow should of been the first thing. It's on the side of the 3pt.. Out of stock at Hoye is a good indication they go bad often.
HYD VALVE - Out Of Stock - call for used: Yanmar Tractor Parts

I have adjusted it. Did no good.
I saw where Hoye said he was out,so they must go bad. I'm going to call Fredricks and see if he has one. If all else fails, I will load it up and take it to him. This is the only issues I have had with this tractor, so I guess I can't really complain. It is after all, a 35 ? year old valve.
I have worn out a few body parts myself and haven't done near the work this tractor has

 

[winston1]

Although not familiar with the 3110 relief valves I am thinking they are separate from the control valve. Would it be possible to pull them and just have a look making sure no trash or broken spring?

 

[careyo63]

Trash should be cought on the Pickup Screen and I can't recall any springs that wouldn't be noticed on the control valve. It looks to be the same valve and setup like my 2000 just possibly larger. I also thought of a relief valve but you would see the Hyd. fluid if that was the case were it opened. I agree and we can Blah,Blah,blah all day but Fredricks could very possibly have it taken care of in a matter Minutes.....