Farm Equipment - AC pto issue

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AC pto issue

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=54954
Printed Date: 11 Sep 2025 at 8:42pm
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com

Topic: AC pto issue

Posted By: AC 426 power
Subject: AC pto issue
Date Posted: 08 Aug 2012 at 4:25pm

On a 7060 with both 540/1000 the bolts that hold it on keep coming lose and today it completely sherd them off any ideas on how to fix this? And is this a common issue on a 7000 series allis ? If you got any more questions just ask thanks

Replies:

Posted By: DrAllis
Date Posted: 08 Aug 2012 at 4:47pm

Not a problem if all the bolts are Grade 8 and tight and clean surfaces and threads. In fact, many 540 shafts get twisted off from the torque and the bolts aren't a problem.

Posted By: Orange Blood
Date Posted: 08 Aug 2012 at 4:50pm

Ya, the clean surfaces are important, if you got oil gunk in there, that will allow the shaft to move around, putting the torque on the bolts rather than friction on the mating surface.

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Posted By: AC 426 power
Date Posted: 08 Aug 2012 at 6:33pm

Alright I'll give it ago..and thanks you guys seem to know all my problems and are right on the money