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TM-9 page 1-30 & 1-31 FDC pressure "regulating" and FDC working pressure 20-21 pounds.

Since digging into the TM's again I was wrong and the FDC with is pressure regulating valve and orifice keep the pressure at 20/ 21 psi. So as soon as the engine starts and we have the 30 psi min. the FDC goes to the setting for that fuel and stays there. Page 1-30 /1-31 TM paragraph C. The 60...

I am with you on this one and if you look at the Troubleshooting manual page 33 34 the droop is adjusted after the main fuel and only when we for some silly reason still have the FDC hooked up. It does not add any fuel or decrease any fuel and gen sets do not have an FDC but do have problems...

As per some you can check the booster with just the in tank pump and it's low pressure if the seal is real bad. TM tells us we need to push 60 psi through it to check for a failing seal with it removed from the IP. Unused to me is old rubber and still might be your cause. As for you asking about...

Was the booster pump rebuilt with a new seal when you installed the Injection pump?

Just for smitts and giggles I looked at the TM. Correct FDC only should move when fuel changes and on start up. Now if we go by the TM fuel goes to a pressure regulating valve as per TM that is 20 /21psi. So even at idle where we have a minimum of 30 psi or high idle 60 psi it will not be over...

The oil line that comes off the block and goes to the IP feeds the IP the oil it needs. Leave it alone or as said they both could stand to be replaced if never done but has nothing to do with fuel in oil. I do not know what you have done to your FDC and dropping parts inside? What did you do? Is...

Greg is correct in saying when at 1200rpm and correct pressure is established the FDC starts to compensate and moves to it correct position for the fuel being used. So it does move from when we start till 1200rpm then settles to the correct position. I have not tested the fuel pressure at...

Greg thought the FDC stop plate only moved when the viscosity of the fuel changed. The orifice on the FDC is calibrated on the injection machine to only the emergency fuels listed. When the fuel changes then the FDC changes giving us the same throttle input for all the different fuels but same...

Stop working and go to Alaska.

Are you rebuilding that so you can take it on the Alaska trip this year?