Farm Equipment - F2 orbit leak

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F2 orbit leak

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=175415
Printed Date: 24 Apr 2025 at 3:39am
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com

Topic: F2 orbit leak

Posted By: SteveM C/IL
Subject: F2 orbit leak
Date Posted: 24 Oct 2020 at 11:22am

The steering orbit in my F2 has began to leak enough out the top shaft that it's now wet and needs wiped off. Used to be just damp forever. Hoping this is rather simple repair. I put some new seal in my 8070 years ago and hope this is similar but I don't remember what that took .I just remember it was not a bad job. Patrsbooks shows seal kit #71304442. I assume that is what I need. Any helpful advice welcome.

Replies:

Posted By: SteveM C/IL
Date Posted: 25 Oct 2020 at 8:45pm

Talk to me MACK

Posted By: MACK
Date Posted: 25 Oct 2020 at 10:18pm

If I remember right it has a TRW unit in it which is a little harder to reseal. Has to come out and come apart. Scribe a mark at angle on out side for reassembling . MACK

Posted By: m16ty
Date Posted: 26 Oct 2020 at 8:43pm

I had one that I think came out of an F2 that I installed in a Buda forklift. It started leaking out the shaft, and I just had to take the cover off the top to replace the seal. Maybe it was a Char-lynn (I don't remember), but it either came out of an F or F2.

Posted By: SteveM C/IL
Date Posted: 26 Oct 2020 at 9:02pm

HAH! I bought a service manual from Lynn Marshall a year or so ago. I need to dig it out and see what it says. Partsbooks shows like its a cap of sorts fastened to the top of unit. May not be as it appears?