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Ferguson Tea20. Barn find. Rear arms stuck up

R

Rogco

New User
I own a tea20 that has not been in action for40 years. I now have it running but the rear arms have raised but will not lower again . Help please
 
Good day.
What you have can be very detrimental mechanically to the tractor....
Enter your post in as per below......

Harry Ferguson
Dedicated to Harry-Ferguson tractors, such as the TE-20, TO-20, TO-30 and TO-35


Bob..Owner TEA-20 Tractor
 
I had the same problem on my 8N Ford, pretty much the same hydraulic system. The hydraulic piston is stuck because the cylinder is rusty. Hydraulic pressure will lift the arms, but once they are up, there is nothing other than the weight of the arms to push them down. You'll have to remove the hydraulic cover to free things up. Most likely you'll have to replace the piston with a later style O ring type, and maybe the cylinder if it's scored.
 
(quoted from post at 11:00:27 03/03/22) I had the same problem on my 8N Ford, pretty much the same hydraulic system. The hydraulic piston is stuck because the cylinder is rusty. Hydraulic pressure will lift the arms, but once they are up, there is nothing other than the weight of the arms to push them down. You'll have to remove the hydraulic cover to free things up. Most likely you'll have to replace the piston with a later style O ring type, and maybe the cylinder if it's scored.
Click to expand...
any thanks for your advice. Ill take the covers off an inspect in the morning .
 
Before you try to force it down, make sure the control valve is not stuck. Take off the side plate
and reach into the oil near the H shaped control fork. Observe that the control fork spring is
attached. Then feel around for the T shaped control valve piece. It should be in the sockets on
both sides of the control fork. Push and pull on this and you should be able to move the control
valve about an inch fore and aft (a half inch each way). It shouldn't move more than that. I don't
remember which direction opens the cylinder to exhaust but if you can move it then it should drop.
 

You likely know this, but shut the tractor down before pawing around in the hydraulics. I've had the same problem a couple of times and what Mr. Jerry suggested fixed it.
 
(quoted from post at 06:32:02 03/04/22) Before you try to force it down, make sure the control valve is not stuck. Take off the side plate
and reach into the oil near the H shaped control fork. Observe that the control fork spring is
attached. Then feel around for the T shaped control valve piece. It should be in the sockets on
both sides of the control fork. Push and pull on this and you should be able to move the control
valve about an inch fore and aft (a half inch each way). It shouldn't move more than that. I don't
remember which direction opens the cylinder to exhaust but if you can move it then it should drop.
Click to expand...

Whut he said, I did one last year it was a little different than the Fords I was accustomed to so it took me a bit to understand how it worked.
 
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