Farm Equipment - 7020 hydrolic question

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7020 hydrolic question

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=12486
Printed Date: 31 Jan 2025 at 8:49am
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Topic: 7020 hydrolic question

Posted By: corlewfarms
Subject: 7020 hydrolic question
Date Posted: 15 May 2010 at 2:22pm

lift arms are slow but you can push traction booster valve behind cab by hand and it is fast. all the outher hy is fine

Replies:

Posted By: dbounds
Date Posted: 15 May 2010 at 6:28pm

you might look at your rear cab mounts to see if they are worn out. Had the same problem on our 7000 and new rubber mounts fixed it as the cab had settled and did not allow linkage to work properly. Doyle

Posted By: Joe(TX)
Date Posted: 15 May 2010 at 7:30pm

Since the 7010 uses a cable, the cab mounts are not the problem.

Check the cable adjustment. If not that, then look at the linkage for wear.

Posted By: DrAllis
Date Posted: 15 May 2010 at 8:35pm

I'd suspect linkage that is rusted/seized/stuck behind the cab that operates the 3 pt spool........usually happens if tractor sits outside a lot.

Posted By: corlewfarms
Date Posted: 15 May 2010 at 8:40pm

dont think it is the linkage cause the arms go all the way up and down they are just really slow

Posted By: DrAllis
Date Posted: 15 May 2010 at 11:05pm

The linkage should push the spool just like your finger does.....so, it must not be doing that (if you can raise the hitch with good speed by pushing the spool in yourself).

Posted By: corlewfarms
Date Posted: 16 May 2010 at 8:39am

is the lift arm valve and traction booster valve the same

Posted By: Dave H (NE)
Date Posted: 16 May 2010 at 9:13am

yes