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Hi Loosegravel, I think you may be on the right track as, I cannot find anything out of the ordinary with my controller and it was working fine up until this. I will have to check all the connections and relay sockets and for sure I am in a humid environment! I did test the frequency pot input...

Hi all, I have the above set that I have had running well for over a year until about a month ago when it started to have the occasional overspeed then a hard overspeed whenever you tried to start it. Also at this time I noticed my voltage regulator was no longer working correctly and you could...

I ordered one from kloppk and put it in today, works like a champ but I still have my an overspeed problem which I will start a new thread for. Thanks!

Well, it has failed again....... :-( same situation. At least it lasted a few years but not much use.

Hi all, After working out bugs on my new genset I found that I too had the undervoltage, Caused by the blown fuse next to the regulator, replaced the fuse and found that the freq is good and adjustable but the voltage is at a steady 200 with no adjustment. (And now stops with over voltage) The...

I Fixed it!!!!!!!!!! So I did the test with the fuel rack in the off position, the injector lines off, and cranked the engine with the manual crank switch. As I said previously the #2, from the Genset injector port was still pumping fuel. I took out the metering valves and soaked them along...

I do appreciate any input on this. That is exactly what I originally thought as well and it was a bit of an issue. it was not allowing the rack to go all the way over to the hardstop. I actually had to to cut the end of the shaft on the actuator a bit to get the black pin holder in the right...

What make you say that? Just curious, the rack is all the way to the right which I assume is off? Even with the actuator disconnected. But still fuel gets through. I did a test today with all the lines disconnected and with the rack all the way over and cranking the motor and the second from the...

Hi, Yes, see above. I tested the solenoid pretty extensively. The rack is all the way to the right (I assume this is the shut-off position) at the hardtop when there is no 24v . It physically cannot go any further. I think something is leaking past in the injection pump or one of the plungers is...

Hi all, Little update but no progress, I pulled the injectors, cleaned the lines, took apart, soaked and cleaned the injectors. Before cleaning the spray pattern was pretty decent but the pressure that they popped off was not at 1700psi like the book states, some were as low as 1000 and some as...

Hi, Yes I was thinking the same thing so I ran that test on the actuator, I also applied 24v to it to watch it move and see if it was not binding. It was not, I also put my meter on the leads while the unit was running and it appeared the governor control module was sending the correct signals...

Thanks for the response, especially on a Holiday. I have been studying that section pretty intensely. I got the injectors out, and cleaned but I need to use my friends injector tester to test and set the spray pattern before putting them back in. This unit had a bunch of issues but the final...

Hi all, First post, I picked up a MEP-804A with relatively low hours that needs a few things worked out. I downloaded and studied the TM manuals, thank you! I have been working through the issues and only have two left. One is the unit runs pretty rich. I suspect one of the injectors is stuck...