750 Massey fuel problem figured out

super99

Well-known Member
And the winner is Tractor Vet. After changing the fuel line from tank to pump, it sat for 2 days and when I came home from work early Friday, I went to start it and it had lost it's prime. I bleed the lines and started it and went to cut beans, and it died after an hour or so. I cracked the sediment bowl loose to check for fuel and fuel ran out but the bowl was kind of dirty, so I took it off to clean it and the screen was plugged with black crap. I cleaned the screen and bleed it and started right up and ran the rest of the afternoon. This morning, I cleaned the screen and changed the fuel filters and went out to cut beans and it died 2 times and had to clean the black crap off the screen. Finished the beans so the next step is to drain the tank and clean it out. Should end the problem. I have a electric fuel pump I am going to add to the fuel line also. Thanks for all the suggestions. Chris
 
Sure glad ya got it going . NOw word to the wise here PULL THE DARN TANK AND either steam clean it or use a high pressure hot water washer ya ain't going to believe what is going to come out of that tank. Hard to believe that all that junk got sucked thru the vent hole but it did.
 
The last poster has it right, the black snotty stuff is indeed algae and is growing in your fuel, maybe in your main supply. You must go to a fuel distributor or an Injection pump repair center and buy an algaecide, Case sells it in pint and quart quantities to treat differing amounts of fuel. I think a pint size treats about 50 gallon. I have worked on diesel for 46 yrs and see several cases a year in ag and industrial systems alike. Have an extra set of filters on hand as spares as the residue will have to be removed. mEl
 

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