7040 fuel problems
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=32292
Printed Date: 25 Apr 2024 at 12:16am
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com
Topic: 7040 fuel problems
Posted By: Matt Z
Subject: 7040 fuel problems
Date Posted: 15 Jun 2011 at 5:22pm
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I've got a 7040 that as of late when we start it, It immediately runs out of fuel. We need to pressurize the fuel system by pumping the hand pump before we start it. It then runs very good. We can see an air gap in the glass fuel filter before we use the hand pump. It fills as we pump. We have replaced the filters twice and currently have a new filter on. Has any body ever dealt with this before? Any feedback is appreciated. Thanks in advance.
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Replies:
Posted By: michaelwis
Date Posted: 15 Jun 2011 at 5:28pm
i,m trying to remember , i think allis came up with a new route from the fuel tank to the filters , but this was done when our tractor was less than a year old , as we once had an issue , if i remember i,ll get back to you with more info ..
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WD WD45 DIESEL D 14 D-15 SERIES 2 190XT TERRA TIGER ac allcrop 60 GLEANER F 6060 7040.and attachments for all Proud to be an active farmer
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Posted By: Dans 7080
Date Posted: 15 Jun 2011 at 5:55pm
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My 7040 did the same thing. It was sucking air in one of the lines. It never leaked fuel but there was enough of a hole in the line that air got in. I replaced all the Orings and the lines behind the fuel filter where they were rubbing. That fixed the problem, it runs like a top again.
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Posted By: victoryallis
Date Posted: 15 Jun 2011 at 6:18pm
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Replace the lines and you should be good did that on our 7060.
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Posted By: DougG
Date Posted: 15 Jun 2011 at 8:53pm
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Yup o- rings on the fuel lines suckin air
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