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When I went down to a single pump I used two of the #27 washers. I also took out the wire wheel and got both the pump mounting ear and the surface it mates to polished to shiny metal... and that was only 3 days before it started acting up again.

I don't disagree with what you've written... I meant to specify that I don't find MY pumps reliable. My dead pump has been disassembled, cleaned, rebuilt and EMI filter removed with no luck. In fact it shorts when connected... zero resistance from the 24V supply to the pump body (ground). My...

That comes out to 18 gal/hour or nearly 40 liters/hour. This I'll need to triple check-on. The pump that Green Mountain sells as a replacement (Facet 480517E) pumps 33 gal/hour or 125 liters/hour free flow and pump 6-8 PSI. My experience with most diesel injection pumps is that excess...

I guess I don't view the original equipment pumps as reliable. My set came with two... one one dead when i bought it, the other caused my set to stall out a couple times last time I needed it for power. To get it going again I needed to take a wrench and tap on it in order for it start pumping...

I may be off in my understanding of using 12v batteries in series to achieve 24 volts.... but I've checked my batteries across several terminals with a multimeter while running and while shut down and while I have them wired in series for 24v to the starter stud I've still got 12v across the...

Thanks guys. I couldn't imaging that the original design was not flow-thru- it defeated the point of it being redundant! My set has seen a fair amount of tinkering I'm afraid, so I'm not surprised to find out it has a non-original fuel pump.

I've been slowly getting my new-to-me MEP003a working and i just finally tracked down a "fish-biting" issue I thought was plugged fuel filters but was actually a dead fuel lift pump. At some point in the machines past the aux-transfer pump disappeared so my unit had only two fuel pumps, and they...