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Farmall & IHC Tractors Discussion Forum
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Help Understand LP system

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novice

08-12-2003 20:54:24




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Can someone please help me understand how the LP system works on an LP tractor? I presume it's like the tank on my place to the house, turn on the valve and supply goes to regulator before going to stove (or tractor, in this case). Why do I see more than one valve on the tanks, and how does the tractor engine speed get adjusted? Is there a "carburator" equivalent that opens a valve to feed more fuel supply like turning up the stove valve to increase flame height? Sorry for the ignorance here but I am just unfamiliar with this type system. Any good web sources to help describe the system on Farmalls/IHCs??

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GT

08-13-2003 06:40:19




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 Re: Help Understand LP system in reply to novice, 08-12-2003 20:54:24  
Hello Novice,
Good Luck! I've been trying through several sources to find working diagrams or even a description of the parts and the specific function of them, with no success. Of course I haven't gotten any Farmall books yet. There's one at this site, but it's kind of expensive. The maker of the system on my 400 (Ensign) can't be found on the web. The folks here have been very helpful on other problems but information about LP systems seems very sparse. I am very impressed with mine. It hasn't given me any trouble. If it isn't broke don't worry about it, I guess.
So far I've learned that from the tank you go through the filter, that is the two valves, one vapor and one liquid. Then there is one line from there to the vaporizer that acts as the carburator and feeds the gas/air mixture into the manifold. What I am having difficulty with is that the throttle linkage goes clear up to the front of the engine to the governor and I haven't figured out how that effects the feed of more fuel to the engine when put under more load. For example when your tractor and brush-hog goes over a dip and it turns into plow for a short distance. If you find any info please post it on this forum. You know what they say "Ignorance can be cured. Stupidity is forever" Thanks!

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Nebraska Cowman

08-13-2003 04:15:09




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 Re: Help Understand LP system in reply to novice, 08-12-2003 20:54:24  
of the 2 valves one is liquid the other vapor. the carburator has a throttle plate.



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