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I sold the generator but figured I would share this video I forgot I recorded.

If you are able to rotate the pump 90 deg, you can't be in the fork. When you rotate that far, it comes out. The thud you are hearing is the regulator hitting the engine block because it is not lined up properly with the hole. You will need to work at it to get it in the fork. It is not easy...

No big deal. They're not very similar. The 016B injection pumps are much more beefy & the way the fuel rate is adjusted is much different. The LPW injection pumps are more similar to the Yanmar ones on the smaller MEP units.

If you're certain you're in the fork, center it as the TM says & if it's still stubborn, try prying it a bit. Maybe that unit is just tighter or my idea of yanking it out with my hand is different than yours. The key is pulling it straight out so the main body doesn't bind where it fits to the cam.

There is nothing that can come apart on the injection pump unless it really is messed up bad. less than 1% chance it is that. Are you sure that the injection pump is in the governor fork? If it isn't, you need to finagle it back in. Best way to tell if it is still in place is if the throttle...

Thanks!

I rebuilt & cleaned everything in the injection pump along with the fuel system. Generator starts right up now! Again, thanks for the help with this. VERY easy injection pump to service yourself.

Success! After a few days of heat & ATF, I got it loose enough & used the governor fork to move it where it needed to be. With the top cap that goes to the injector removed, I kept putting heat directly in there for 1 minuet or so, then ATF. You'd see the ATF bubble & seep in until it was...

I did take the top off & put it in there. Going to let that soak in & do it again after work with some added heat as well. Will be sure to pay attention to the timing marks, thanks for that tip!

That's my plan! I have this to work on & my M1078, so I have been doing between the two when the other one gets to annoying.

That's the problem... I can't get it out because of the position that the parts are in. The bolts are all out & I can spin the injection pump around but no way to get it out because of the way the hole is made in the engine block. I tried to get some ATF on it all to see if it helps loosen it...

Thank you! Great information & a good video. I still need to find a way to get it removed before I can service it though. 😔 Wonder if I can disassemble it while still installed to get it free & just be extremely careful to not have the pin part slide out.....

Everyone, I am currently trying to get a MEP-016B generator running. I confirmed I am not getting fuel on the high pressure side of the injection pump due to it being jammed. I want to remove it but it was left in the "off" position so that is where it's stuck. In the workshop TM...