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Another LP Fueling question

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Kerry Miller

11-11-2000 18:40:10




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Bear with me, I haven't tried to fill up an LP tractor since I was 15 yrs old..

I've got a 1955 JD 50 LP. I finally got a bleeder fitting for it but when I tried to hook it up to the tank today I couldn't get any gas to flow. If I open the valve on the hose, I get liquid so I know the tank is set up ok. Also, I've had the propane company come fill it up for me out of their truck several times (but they have a pump). Is there something I'm missing? Is there more than one kind of fitting for these tractors? Is the valve/fitting on the end of the hose supposed to have something to push the valve on the tractor open or does it just open with pressure? My ground tank only has about 15% in it right now, could that cause a problem? I tried opening both valves, first the one on the end of the hose then the one on the tank (slowly) and I never felt it "pop off" so I assumed it should be flowing. I tried opening the bleeder a little, then up to the point where it almost cut off but it didn't seem to make any difference.

What am I missing? Does that valve on the hose need to have something on the end of it to open the valve on the tractor? I'm open to suggestions!

Tnx,
Kerry

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G Taylor

11-13-2000 20:07:38




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 Re: Another LP Fueling question in reply to Kerry Miller, 11-11-2000 18:40:10  
With the fill tank at 15% is it possible the liquid line is supplying vapour? The liquid dip tube may not go all the way to the bottom.



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Craig

11-13-2000 19:48:11




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 Re: Another LP Fueling question in reply to Kerry Miller, 11-11-2000 18:40:10  
You could always try to locate a pump to have plumbed into your big tank so you can fill your tractor in a few minutes. I get 70 gallons filled into my pickup truck at the propane dealer in only a few minutes, and this is WITHOUT opening the "vent" valve on the truck tank. I know someone here who buys propane 2000 gallons at a time for their cars. They have a pump sitting on the ground beside the propane tank in the yard to fill the cars. Should work the same for your tractor.

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HAYSAM

11-12-2000 07:45:11




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 Re: Another LP Fueling question in reply to Kerry Miller, 11-11-2000 18:40:10  
LPG PROBLEM

TO FILL TRACTOR TANK YOU HAVE TO HAVE MORE PRESURE ON STORAGE THAN THE TRACTOR TANK.



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STMTS

11-12-2000 06:57:53




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 Re: Another LP Fueling question in reply to Kerry Miller, 11-11-2000 18:40:10  
Your tank may not have a WET LINE on the regular fill valve ,as the other guy said and your just getting vapor which will not fill the tractor no matter how much you bleed it,Some tanks have another location with a check valve fitting that a wet line fitting can be installed even with a full tank,But contact your LPgas dealer and let him determine if your tank has this check valve fitting and let him install it.

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signman

11-12-2000 06:53:40




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 Re: Another LP Fueling question in reply to Kerry Miller, 11-11-2000 18:40:10  
You have just learned why there are not many lp tractors out there in use. We have a 70 and 730 that we use regularly. To fill open the liquid valve on the supply tank. Then bleed your hose off until you are getting liquid. Attach hose to your tractor. Open your bleeder valve. and wait and wait and wait. The tank pressures need to equalize before the valve kicksoff and allows your liquid to flow. This is always variable depending on pressures in each of the tanks. These are related to temperature changes.

We have waited for 20-30 minutes at times. Then you can fill acccording to your fuel gauge reading or until liquid sputters out of the bleeder.

it can take another 30 minutes to fill these things. When the rain is coming and you are out of fuel and can't get your tillage done they are very dissappointing. But great tractors when the tank is full.

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Kerry

11-12-2000 07:55:49




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 Re: Re: Another LP Fueling question in reply to signman, 11-12-2000 06:53:40  
Tnx for the help, guys. Maybe I'm just not waiting long enough, but I don't remember having to wait if I use a bleeder on the side (small vapor fitting, not just the little bleeder or 80% valve on top). But there's a lot of things I don't remember about being 15...

I know I have a liquid tap on the tank, I'm getting liquid out of the hose and I specified to the propane company what I needed. There are a lot of propane tractors still around here, maybe if I can't figure it out I'll con one of the old farmers to show me how! It's too wet now, but when it stops raining and dries out I'll have the propane company bring me some more gas, that may be the problem. I've only got about 15% in the tank but the tractor still has about 35%.

I'll tinker with it some more, thanks for the suggestions. Otherwise the little JD 50 is doing a great job. I'm just tired of waiting for the propane truck to fill it up, that's why I got the tank. It will also be good to use for heat for my new shop!

Kerry

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Jim

11-12-2000 06:24:34




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 Re: Another LP Fueling question in reply to Kerry Miller, 11-11-2000 18:40:10  
Something else you may want to consider. If you're trying to fill the tractor from a residential tank (for a gas furnace), you can't fill your tractor. They only put out vapor, not liquid. Since propane tractors are scarce any more, only a propane dealer experienced in grain dryers would know what your problem is. Grain dryers use more propane than can be vaporized in cold weather, so they use a dip tube in the tank to bring liquid to the dryer where they use warm air inside the dryer to vaporize it. So, you need a dip tube. But explain all this to you gas dealer. Let him do it. He's the pro. I'm just a farmer.

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Frank

11-11-2000 20:46:16




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 Re: Another LP Fueling question in reply to Kerry Miller, 11-11-2000 18:40:10  
It's been about 25 years since I've filled one so I'm going by memory too. If you've only got 15% in the supply tank, that could be your problem. I don't remember anything on the supply hose to open the valve. I think the pressure opens it. I'll try to describe the procedure as I remember it.
Connect the hose, with the valves at the tank and at the hose end, closed. Open the valve at the tank just a little to get pressure in the hose. Then open it completely. Go to the tractor and open the valve at the hose end the same way. When you crack the valve open you should hear the fuel going into the tank. When the pressure equalizes the sound will stop. Then, you can open the valve completely without the "pop off valve" tripping. After both valves are fully open you screw the bleeder valve in and open the small knob. When liquid appears at this knob the tank is full. Close the knob, then unscrew the bleeder, close the hose end valve and close the valve at the tank. (in that order) After you remove the hose from the tractor tank you can release the pressure on the hose. I know some people that did this and some that didn't. The guy I worked for, didn't want the hose sitting around with pressure in it all the time. This is a dandy way to kill the weeds near the tank. Hope this will get you going.

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Scottks

11-11-2000 20:29:20




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 Re: Another LP Fueling question in reply to Kerry Miller, 11-11-2000 18:40:10  

Hi Kerry,
Last time I did this I did not get the hose all the way in the tractor tank wiggle it while tightening so it goes all the way in. Next did you open the vent valve It is a small valve looks like a bolt with no hex may be knureled so you use your fingers to open.It has a hole in the end of it. It is higher on the tank than the fill fitting. You must open this to allow the gas to go in. When we did Papaw's old 720 we left it open till liguid came out and shut off the fill and vent.
That is how His worked someone with your model tractor should offer their verification.
Scott.

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