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SE Ohio | Thank you sir!!
Got the pump off tonight. Looking at this thing we are guessing here but believe that diaphram has a line going to the intake manifold....so the turbo boost is operating the diaphram to increase fuel delivery at boost.....there is also a line connected on the other side of it that runs to the return line to the tank.
I think if I am right, that's how we are pressurizing the tank when the diaphram is blown......
If I am right, then this dang thing could have been replaced while the pump was on the tractor.....we shall see....
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