7000 BB pto/hyd 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=169547
Printed Date: 06 May 2024 at 11:05pm
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com
Topic: 7000 BB pto/hyd issue
Posted By: acnh210
Subject: 7000 BB pto/hyd issue
Date Posted: 28 Mar 2020 at 9:20am
I have a 7000 BB I tedd hay with. When you pull a remote lever or power shift gears. With the pto on The pto lever will fall to the rear and shut off. Im assuming it's a hyd. Pressure issue but Wasn't sure where to start. Any help is appreciated.
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Terra Tiger, WD, 7040ps, 8050 with westendorf loader, 8050ps fwa.
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Replies:
Posted By: Hurst
Date Posted: 29 Mar 2020 at 6:49pm
Mine does the same from time to time when warmed up. It was much worse before I resealed the power shift clutches. I was told you can shorten the spring in the PTO valve spool a turn or two to help the issue as well. I just take an empty water bottle and wedge it between the PTO lever and the height adjustment lever. Works like a charm. I think if I resealed the PTO clutch pack it may eliminate the problem, but I don’t have any issues with it so hate to tear it apart. My other hypothesis is the pump is just a little worn. I don’t recall mine being affected by the remotes. That sounds like you may have a sticking priority valve in the pump?
Hurst
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1979 Allis Chalmers 7000
5800 Hours
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