Farm Equipment - B jumps out of 3rd gear WHY??

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B jumps out of 3rd gear WHY??

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=11495
Printed Date: 24 Jan 2025 at 5:40pm
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Topic: B jumps out of 3rd gear WHY??

Posted By: Dave Everett
Subject: B jumps out of 3rd gear WHY??
Date Posted: 25 Apr 2010 at 10:42am

and is it likely to be an easy fix?

Replies:

Posted By: Dick L
Date Posted: 25 Apr 2010 at 11:01am

Define easy.

Some pictures at the link that might help a tad. I didn't take them with a complete instruction manual in mind.

If I remember correctly I was trying to show someone the pocket that catches oil to oil the idler gear bearings that get filled with thick gunk that can keep that shaft from being oiled.
One track mind. Could have covered more at the time.

http://public.fotki.com/DickL/allis_b_transmissio-1/ - http://public.fotki.com/DickL/allis_b_transmissio-1/

Posted By: Fred in Pa
Date Posted: 25 Apr 2010 at 11:41am

I am doing one right NOW ,I found the washer (wave ) behind 3 rd gear thurst washer and the bearing washer was broken. When I took the shifter cover off cover off I could move 3rd gear all around .Few bearing and some WAVE washers and it was fixed .Ofcorse i took the complete trans apart to do correctly. Dave give me a call ,its more then one thing that can make them jump out of gear .

Posted By: Bill Long
Date Posted: 25 Apr 2010 at 11:48am

This is such a RARE item cause the B with regular gears just does not jump out of gear. Then I have to remember we are looking at units that are 50 - 70 years old. Some have been sitting, rusting, for years. Things happen you never think or thought of.

Take good care of my favorate.

Good Luck!

Bill Long