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Tractor Talk Discussion Board

Re: Fuel Issue J.D. 300 Indust.


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Posted by Charlie Schmidt on March 03, 2014 at 14:20:20 from (71.218.136.89):

In Reply to: Fuel Issue J.D. 300 Indust. posted by Charlie Schmidt on March 02, 2014 at 15:25:38:

Yes when I loosen the bowl and lift the glass, the gas pours like niagra falls from the pump. I"m confident I don"t have a restriction. From a worn cam perspective does anyone know what the throw of the pump arm should be as it rides on and off the lobe? I"m guessing here but mine seems to be maybe a quarter of an inch at most. If I let the tractor sit long enough, there"s enough head pressue from the tank I think to fill the bowl far enough to start again. Here"s my next move because I do have about $45 into the kit... I"m going to remove and bench the pump with a 1/4 inch hose going into a jar of gas and another acting like the supply to the carb. To me, the gas should flow into the pump and not drain back out and it should flow to the "carb" and not drain back. Maybe if I"m feeling cleaver I"ll rig something up on my drill motor to replicate the cam...


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