Farm Equipment - 5020 3 point

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5020 3 point

Printed From: Unofficial Allis
Category: Allis Chalmers
Forum Name: Farm Equipment
Forum Description: everything about Allis-Chalmers farm equipment
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=150463
Printed Date: 16 Oct 2025 at 8:59am
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Topic: 5020 3 point

Posted By: EricPA
Subject: 5020 3 point
Date Posted: 14 May 2018 at 6:03pm

Need help, recently when I started my tractor the 3 point arms raised rapidly all the way to the top even though the lever was in the down position and now they wont budge. prior to that when I started it the would raise slowly to where the lever was set at with a little whining as they rose.

Thanks,

Eric

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Life is tough,but it's tougher when you're stupid. - John Wayne

Replies:

Posted By: DiyDave
Date Posted: 14 May 2018 at 7:57pm

Lotsa japanese built tractors have a control valve, just under the seat, that controls speed of descent of the lift arms. If you see a knob, under the seat, I'd check that valve, first. could have a blockage... Wink

Posted By: EricPA
Date Posted: 14 May 2018 at 9:07pm

DiyDave wrote:

Lotsa japanese built tractors have a control valve, just under the seat, that controls speed of descent of the lift arms. If you see a knob, under the seat, I'd check that valve, first. could have a blockage... Wink

Did that, turned it all the way both ways and still nothing.

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Life is tough,but it's tougher when you're stupid. - John Wayne

Posted By: DiyDave
Date Posted: 15 May 2018 at 4:37am

EricPA wrote:

Did that, turned it all the way both ways and still nothing.

Might haveta take it off, and inspect the innards... Wink

Posted By: truckerfarmer
Date Posted: 15 May 2018 at 10:10pm

The control valve you guys are talking about just controls speed of lowering. If lever is all the way down, control valve should not cause arms to lift.
Does your tractor have draft control? That may cause it to lift if not working properly.

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Looking at the past to see the future.
'53 WD, '53 WD45, WD snap coupler field cultivator, #53 plow,'53 HD5B dozer

Duct tape.... Can't fix stupidity. But will muffle the sound of it!

Posted By: EricPA
Date Posted: 19 May 2018 at 8:10am

There was a linkage broken under the cover so a local machine shop repaired the linkage but now the arms will move by hand but not hydraulically

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Life is tough,but it's tougher when you're stupid. - John Wayne