HELP DESPERATE!!
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=9175
Printed Date: 20 Jan 2025 at 3:48pm
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com
Topic: HELP DESPERATE!!
Posted By: Joel Hedrick
Subject: HELP DESPERATE!!
Date Posted: 08 Mar 2010 at 6:23pm
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Me and my dad were using a friends tractor (an Allis Chalmers 6140 diesel) and it was running fine and then it slowly started to die out, like it was running out of fuel. It restarted but would not take a load, and then it died and will not restart. I replaced the filter and it still won't start . We tried to bleed the lines, but are not completly sure how to do it. Does anyone have any ideas of what is wrong with this thing?
Thanks, Joel
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Replies:
Posted By: dannyraddatz
Date Posted: 08 Mar 2010 at 7:00pm
You may want to change your title of your posting to "no power with 6140 Diesel"
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Danny Raddatz
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Posted By: dadsdozerhd5b
Date Posted: 08 Mar 2010 at 7:07pm
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i'm not exactly sure of your filter arrangement as i am a dozer guy but on top of the filter housing should be a bleeder nut. loosen it and if the tank is higher, fuel will eventually flow out. if tank is lower, operate manual pump until fuel comes out or crank it until fuel comes out. see if there is a bleeder at the fuel pump and repeat procedure. when trying to crank, open throttle all the way until it starts. funny as it sounds, be sure there is plenty of fuel in the tank.
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HD5B, HD5G, (2) FARMALL A's, CUB. DO IT RIGHT THE FIRST TIME, IGNORE THE LAUGHTER. FLANNEL IS ALWAYS IN STYLE.
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Posted By: Brian Jasper co. Ia
Date Posted: 08 Mar 2010 at 7:08pm
I have bled fuel lines by loosening the supply line on the pump then pressurizing the fuel tank with a leaf blower. It puts just enough pressure on the system to flow through the filters and pre fill everything.
I'm not sure which pump a 6140 has, but on a Roosa Master if the governor inertia ring deteriates, the little bits clog the return line and the pump then hydraulic locks. Pull the return line out of the pump and look for coffee grounds looking bits in the fuel coming out. If it will start with the return off, it's time for a pump rebuild. It kind of sounds like that may be what you're dealing with. If that be the case, you didn't break it, it just happened to die while you were borrowing it.
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"Any man who thinks he can be happy and prosperous by letting the government take care of him better take a closer look at the American Indian." Henry Ford
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Posted By: Byron WC in SW Wi
Date Posted: 08 Mar 2010 at 7:44pm
Look for a primer. Most older diesels have them but I'm not sure on the 6140. Anyway, prime that. Then crack all the fuel lines at the injectors, (not the pump). Be careful not to twist the lines, I've only done it once but it was a pain. Turn the engine over until you see fuel coming out of the lines then retighten. If you got one or two that are really hard to get at you should be able to get it running on the other two, (4 cylinder right?). But, it's best to do all 4. That should work. If it doesn't crack open the return line and turn over till fuel comes through that.
I've done all that and still had trouble with my F2 but kept repeating the steps and eventually she got going.
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Posted By: Dave/cvny
Date Posted: 09 Mar 2010 at 4:50pm
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My 200 just did the same thing! I had to take the fuel lines off from the tank forward, to the filter, I had something blocking the fuel line. Once I got it cleaned I had fuel to the filter and it started right up! Good luck!
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Posted By: Joel Hedrick
Date Posted: 09 Mar 2010 at 7:35pm
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Thanks for all the advice... I'll try again tomorrow; or whenever it isn't raining. I really hope we can get it started since it's not my tractor......
Thanks Joel
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Posted By: Michael Crowe
Date Posted: 09 Mar 2010 at 9:32pm
Before I did anything to a tractor that is not yours, I would call the owner and let him fix it such that it gets done to his satisfaction. Then the two of you can work out who pays for what.
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The 14th Annual Exclusive AC Swap Meet will be held in Boonville, MO, March 7-8, 2025. See the club website for details: http://www.moacclub.com/
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Posted By: Dave(inMA)
Date Posted: 09 Mar 2010 at 9:41pm
Gotta agree with Michael - 'course, you may have already talked with the owner!
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WC, CA, D14, WD45
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Posted By: Byron WC in SW Wi
Date Posted: 09 Mar 2010 at 9:57pm
I completely spaced on the owner thing just saw the question. I agree best to let the owner know.
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Posted By: gary ny
Date Posted: 10 Mar 2010 at 7:08am
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Michael is right I would let the guy know first it may be something that has happened bofore and he knows just what to do ,saving you alot of time and worry and hime the chance of having something done to his tractor that may be wrong.This comes from experience lending my 45 once and going to check on it and finding things taken apart when it was a something very simple like a coil wire .
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