To20 or to30 lift problems

Pweezy87 · May 23, 2017

I have either a to20 or to30 I just bought and my lift once I move the lever about 2 inches lifts the lift all the way up.. if I slowly move it down it brings it all the way down.. its like there is no in between.. I pulled the lift lid off to check everything and the oil looks like coffee creamer and I felt around in the fluid and found a pin roughly an inch long and smaller than a pencil with a cotter pin in it and a two inch spring roughly the the diameter of a pencil.. any help finding out where these go and how to fix my lift would be appreciated

steve-in-ga · May 23, 2017

Sounds like the oil may have gotten water mixed in. Others with more knowledge than me will probably respond but I don't think these tractors have position control lifts so
I'm not sure you will be able to control the hight of the lift with great precision unless you get one of those position control add ons that I have seen for sell. The name of
the one I remember was called the Zane Thang named after its creator. I have seen plans to make one yourself also. Searching this site should yield some results.

Pweezy87 · May 23, 2017

(quoted from post at 10:44:33 05/23/17) Sounds like the oil may have gotten water mixed in. Others with more knowledge than me will probably respond but I don't think these tractors have position control lifts so
I'm not sure you will be able to control the hight of the lift with great precision unless you get one of those position control add ons that I have seen for sell. The name of
the one I remember was called the Zane Thang named after its creator. I have seen plans to make one yourself also. Searching this site should yield some results.

I was thinking say for instance if u lift the lever a quarter of the way up the lift will lift a quarter of the way up also.. I may be wrong this is my first tractor.. with me trying to bush hog it's either all the way up in there he air or all the way on the ground

Ark68SS · May 23, 2017

Look anything like this?
BillL

Richard L · May 23, 2017

this has a lot of reading but you should be able to find what you need. Some very good items from the archives of this great forum.

Make sure you use a over running clutch on the PTO.
Using chains for bush hogging

Pweezy87 · May 23, 2017

Yes but I'm missing the bottom piece.. I know it's upside down it looks like my pin is broke where it goes to a smaller diameter

Pweezy87 · May 23, 2017

Is the black looking piece a plunger?

Ark68SS · May 23, 2017

(quoted from post at 16:43:14 05/23/17)
Is the black looking piece a plunger?

It's the hydraulic control valve. If yours is broken, then that's where your problem lies. Drain the oil from the transmission and rear end (a 1 1/16" plug and a 1/2" square plug) and remove the side cover plate with the dipstick so you can look around inside. The control valve is inserted into the pump and then attached to the fingers of the control fork as it looks like in the picture.
This site carries the control valve- http://www.yesterdaystractors.com/Ferguson-TO30_Hydraulic-Control-Valve_9N640.html

This is what the valve looks like inserted into the pump-

TO 20 and 30 models do not have position control for the lift. You will have to make or buy a device that will do that for you. Here's a .pdf from the FENA site that shows how to make one- http://fergusontractors.org/nfs/wp-content/uploads/technical-articles/Position-Control-for-20-30.pdf Or Google "Zane Thang" for one that can be bought.

I'd recommend buying a service manual, a parts manual, and an operator's manual and reading through them. They can be sourced from this site and on Ebay. It will help you a lot.
BillL

Pweezy87 · Jun 7, 2017

How far does it go in there? I put it in and put everything back together and now the lift doesn't work at all.. and when I push my lift lever down the last two inches is hard like the control valve is stuck

To20 or to30 lift problems

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