Fuel tank junk

muleman51

Member
Been having issues with my combine ( R50 Gleaner) shutting down looses RPMs then dies. Reprime and goes again sometimes hours, sometimes not. Have changed filters and fuel lines. Could be something in the tank. Don't have any Idea how I could get into it outside of disassembling the whole combine. Any ideas or additives? Just hoping for a cure.
 
Remember that problem on our Farmall C , during spring tillage. Would drive daddy crazy . Threatening to trade in.
Randomly quit, ten minutes later start run awhile and quit. Never knew when it was going to happen.
Turns out it was a very small piece of the Erie times Sunday comic section paper. It would float around cover the drain . Then when surface tension ,it would release float around.
I guess he saw it when he filled the tank with gas ,he saw it floating and fished it our.
Fix the problem .
 
Is it a gravity tank? If so...

On my tractor, I put a ball valve then a T with a plug on the bottom (gas out the side of the T). All the junk would fall to the bottom of the T. Close the valve, pull the plug on the bottom of the T, quick open the valve. Got me through last fall.

Good Luck
 
Time to remove the sediment bowl and make a mess. Just have a second person to help, one to remove the complete sediment bowl assembly and plug the tank and one to clean the sediment bowl. With removing the complete bowl assembly you will see if anything is in the inlet and possibly flushing the other sediment out of the tank.
 
any small in-line filters?

had trouble with them collapsing & shutting off fuel when running,then opening back up when they backed off with no fuel pressure. then collapsing again when running. Wix was the bad filter brand. Switched brands, no more trouble.
 

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You never know what you might find in the tank. I found this chunk of wood in the gas tank of the ''544'' IH I purchased last year.
 
some years back we had a 750 Massey with the A T 6 354 turbo that would do this . I was running it tryen to figure out what was going on with it . I was running wheat at the time when she plum up and died a long way from my truck . I had some tools on the combine and i pulled the fuel strainer out of the bottom of the tank and what i found was the tank was over 1/4 full of BEAN DUST and that was getting around the screen and shutting the fuel off . I poked around and got a hole up thru and lost maybe ten fifteen gallon in the field but i got it back up and running to get to the truck . We drained the tank and pulled it and between STEAM CLEANING and poking around inside to break it up it got cleaned out and never had and issue with it after.
 
longshot as i had the same problems with my 1680 combine and off and on again problem, last year was the second year it started up and was the charge pump on the fuel system. 8.3 liter motor. replaced and no problems since.
 
I believe there's a suction screen inside the tank that is serviceable from the outside at the outlet port. Obviously it requires having the tank completely empty to remove. Another thing to make sure of is that the vent on the tank is functioning. If after it dies is there a sucking sound if you crack the fuel cap open?
 
I had a kernel of corn get down in the stem of the sediment bowl assembly on a combine one time. It was letting fuel through, but not enough when it got under a lot of load.
 
The foil seal from a fuel treatment bottle will float over the hole and stop fuel flow. when engine shuts down it moves away. Clean your tank. Use a pump and pull the fuel from the bottom of tank and maybe get your problem out. Maybe??
 
I pulled the fuel line off one of my tractors and there was a bee or wasp stuck in it right before the filter. Didn't know how it got in there but I was putting some gas in another one and before I could put the cap back on a bee landed on the edge of the fill tube and crawled right into the tank.
 

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