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Farmall & IHC Tractors Discussion Forum
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450 LP problem

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Albert Pereira

08-21-2007 18:45:34




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Hello, I got the farmall running after an ignition tune up and two no fouls. When its working it seems to burn lots of oil, I know she is getting tired but It still ran good enough to pull a mower and a small 14 ft disc. it started to run like it was out of fuel, loosing power and sputewring a little. I parked filled it up and now it just turns over and wont start. It has fire.seems like if I choke it a little it fires one or two times and just spins. Dont know much about the LP system. Is there someone that sells rebuild kits for the carb and regulator? Is this where you think the problem is? I was going to try and start it on either to see if it would have enough Vacuum when running to keep it going. Not sure what to do. Thanks for all your help

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John A.

08-23-2007 05:37:31




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 Re: 450 LP problem in reply to Albert Pereira, 08-21-2007 18:45:34  
Albert, Sounds to me like you have diaphram problems in the vaporizer, may be time for a rebuild! Do what Owen said, shut off both valves,(hopefully they are not leaking through) then start rolling the engine over, then just crack the vapor valve, if the engine starts, you have just figured out the problem.
So if you need an overhaul kit for the Vaporizer call.....
Everhart 2-way & LPG Supply
Rt 1, box 169
Lone Wolf, Okla. (580) 846-5633
Hope this helps.
Later,
John A

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Albert Pereira

08-23-2007 10:28:34




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 Re: 450 LP problem in reply to John A., 08-23-2007 05:37:31  
Thanks, I'll try that this afternoon.



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Owen Aaland

08-21-2007 21:19:11




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 Re: 450 LP problem in reply to Albert Pereira, 08-21-2007 18:45:34  
Low vacuum is not going to be the problem with the fuel system. the regulator should start to open at about 1 1/2 inch of water column. That is less than it takes to sip a drink through a straw.

Too much fuel is more likely to be the problem rather than too little. Try shutting off both valves and then cranking it. If it was flooded, that will clear it. With propane you do not have to worry about fuel wet plugs. When the mixture is correct it will fire, may even run for a few seconds. This may take a while if you were running it on liquid and you have to get the fuel out of the liquid line, Once the flooding is cleared, open the vapor line to start it.

I get my parts from ACME Alternate Fuel Systems, Mankato, MN., but there are other places that may have better access to parts for these old systems.

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