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Author Topic: 540a won't stay running  (Read 2108 times)

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Offline henry co.

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Re: 540a won't stay running
« Reply #20 on: January 18, 2017, 08:52:17 PM »
no answers

Offline ohiowoodchuck

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Re: 540a won't stay running
« Reply #21 on: January 18, 2017, 10:07:20 PM »
If you blocked the return line, my guess would be that you let the mechanical pump get maximum pressure. I'm not sure how the Deere pump is setup but on a 5.9 Cummins there is a spring some shims and a ball and that's what sets the pressure. My quote earlier of 35-65 psi fuel pressure is what I've seen the mechanical pumps put out on a Cummins. I'd say around 40psi would be sufficient. I'll look on John Deere parts and see what it shows.
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Offline bushmechanic

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Re: 540a won't stay running
« Reply #22 on: January 19, 2017, 05:10:05 PM »
I'm not really familiar with the old Deere skidders but I have worked on Deere equipment. Is the fuel shut off solenoid working properly? Is the machine charging ok? Low voltage can affect the solenoid operation. I have seen a no start issue due to a bad battery, would turn over but no start. Used a separate battery to power the shut off and it fired up. This may never be your issue but gives you something to think about.   

Offline snowstorm

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Re: 540a won't stay running
« Reply #23 on: January 19, 2017, 06:05:55 PM »
transfer pump fuel pressure per jd tech manual 4 to 5 psi. your trouble is most likely. fuel line where it goes into the tank. something floating around in the tank. did you drain the sump in the tank??? rust in it. they used a small steel line that went across the top of the tank then down. that would crack. the easy fix was drill a new hole braze a compression fitting in the tank then use copper tubing. the Ferrell keeps it water tight. like i said before there are check valves and screen in the transfer pump. in order for us to help you we need all the facts. what it did and when. if the return line is restricted it will run poorly or not at all

Offline coxy

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Re: 540a won't stay running
« Reply #24 on: January 19, 2017, 06:40:48 PM »
we bought a jd dozer one time that would run then it wouldn't after a few days of this my dad cut a hole in the tank and found 2 condoms :o :o floating in the tank cleaned every thing out and never had any trouble after that  :)

Offline ohiowoodchuck

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Re: 540a won't stay running
« Reply #25 on: January 19, 2017, 09:22:49 PM »
transfer pump fuel pressure per jd tech manual 4 to 5 psi. your trouble is most likely. fuel line where it goes into the tank. something floating around in the tank. did you drain the sump in the tank??? rust in it. they used a small steel line that went across the top of the tank then down. that would crack. the easy fix was drill a new hole braze a compression fitting in the tank then use copper tubing. the Ferrell keeps it water tight. like i said before there are check valves and screen in the transfer pump. in order for us to help you we need all the facts. what it did and when. if the return line is restricted it will run poorly or not at all
Thanks for clearing that up. I was way off with my guess.
Education is the best defense against the media.


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