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Farmall & IHC Tractors Discussion Forum
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LP tractors and storage

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farmallkid1958

06-20-2006 21:44:00




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I have heard both ways on closing the tank valves and running tractor out of propane and leaving the valves open when shutting the down the tractor for the night or longer. Which is right/best? Thanks




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John A.

06-21-2006 06:52:49




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 Re: LP tractors and storage in reply to farmallkid1958, 06-20-2006 21:44:00  
farmallkid, On LP tractors It doesn't make a hill of beans in difference! For there is NO solenoid fuel shut-off. Hence when you kill the engine for longer than saaay.....time to eat lunch, shut off thr valves.
On the question of whether to simply kill the engine or burn the line dry. That may be more of a question to the quality of the LP system than personal prefference. ie....
For a bad diaphram can cause a flooded situation if the tank valve is left on. So shutting the valve off, then rolling the engine over, then open the valve (slightly) the engine will usually start, finish opening the valve and one is good to go.
As a rule most LP systems will seep/leak out what is between the valve and carb overnight. Hope this helps!
Later,
John A.

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NDS

06-21-2006 09:29:57




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 Re: LP tractors and storage in reply to John A., 06-21-2006 06:52:49  
It depends on who did the conversion and brand of equipment used I have never seen solenoid shut off on IH Ensign conversion but have ran Century systems on Johd Deeres that did.



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John A.

06-21-2006 10:14:33




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 Re: LP tractors and storage in reply to NDS, 06-21-2006 09:29:57  
NDS, Solonid or not the comments I made above are still sound, good advice. My LP powered pickups all had electric solonoids, they can go bad! So not leaving a system with an open valve for an extended period is not a wise thing. Later,
John A



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NDS

06-21-2006 11:10:09




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 Re: LP tractors and storage in reply to John A., 06-21-2006 10:14:33  
I agree 100%. I worked for years at a plant that had over 50 LP powered fork lifts and leaving lift unattended without shutting off LP was condidered major safety violation. I personaly like to turn off tank valve and run gas out of lines and vaporizer but that is just my opinion.

Remember one time we had just unloaded new Clark lift with Imco LP system and I was having trouble starting it coworker walked up behind me and started to light cigarette (was outside in smoking area) when he struck lighter fireball went up around him and swinged hair that was not covered (luckily no real burns). Diaphram had ruptured in new vaporizer.

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dej(JED)

06-21-2006 05:42:49




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 Re: LP tractors and storage in reply to farmallkid1958, 06-20-2006 21:44:00  
I just close the valves and let it idle down and then turn the key off. If the packing on a valve goes , it was bad anyway. The systems are designed to take the expansion pressures.



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NDS

06-21-2006 09:21:12




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 Re: LP tractors and storage in reply to dej(JED), 06-21-2006 05:42:49  
If the liquid LP is contained with nowhere to go expansion will burst most anything. That is why tanks can only be filled to 80% by federal regulations and must have relief valve.



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NDS

06-21-2006 05:28:11




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 Re: LP tractors and storage in reply to farmallkid1958, 06-20-2006 21:44:00  
When I was running pickup on LP several years ago I closed valve at tank and left truck out in sun for several days. The truck had solenoid valve before vaporizor and liquid LP in line expaned and blew packing out of tank valve.



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Nebraska Cowman

06-21-2006 03:57:38




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 Re: LP tractors and storage in reply to farmallkid1958, 06-20-2006 21:44:00  
I just turn off the switch like I do with my gas tractors and never mess with the valves.



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MJD

06-20-2006 23:25:55




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 Re: LP tractors and storage in reply to farmallkid1958, 06-20-2006 21:44:00  
We have always just turned the valves off at the tank. I have run it out of fuel so the engine quits, and have just turned the key off and I think either way is OK.
It always starts back up when I turn the valves back on at a later date, runs fine ! This is on a Farmall 350. When our M-Moline ran .....we did the same thing, and had same results. But we always turned off the valves sitting overnight. When the tractors were new, we did not do that, and was OK. It pays to check for leaks too at the valves and fittings if you can, once in awhile.
Farmed a lot with the LP gas tractors in western Nebr. as a kid. John Deeres were plentiful with them too there. Fuel was a lot less cost in the 1950"s, and I always have thought the power on the factory LP engines were equal to any gasoline tractor !!
Great tractors they are !!


mjd

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