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@Daybreak Thanks for the tips. however, for yet to be discovered reasons, the generator isn't making AC power and all the electrical gauges aren't showing actual values or reacting to changes. I have played with the RPM adjust knob and I can tell the engine is changing RPM. However, the Hertz...

I got some time to work on the MEP today. Fixed up the wiring terminals that broke and added some additional spot time to help with vibration in those areas. Finally, I had some time to do an engine run. With all the processing YouTube does during the upload process, the videos lost the high...

Clarifying questions #1 - I saw this mentioned in another thread. What sort of symptoms would lead me to check this? #3 - Are you talking about the engine mounts and generator case mounts here? #4 - Of the engine or the rotor end cap? #5 - When I pulled it appart, I never really saw what...

@Guyfang - I checked the vibration pads. All hardware is present. All hardware is tight. The rubber isolation parts are what came from the unit from Govt Auction. So I can't claim knowledge if they are the proper 802 parts or from an 803. I've seen in other threads you talk about the...

Here is a picture of the control panel marked up. The red arrow shows the direction of vibration. The "magnitude" of movement is 1". Meaning those gauges and emergency switch are moving 1". The base of the control unit seems pretty stable. Its just the front control panel where its vibrating a...

Below is a picture of its panel configuration. I pull it out of the garage to run it. I've seen in other threads the question "does it walk across the floor". As you can see its sitting on another 802 base with casters. Where I engine run is on a flat spot of the street. I don't need to lock...

Rotor to Engine fitment is tight! See, https://steelsoldiers.com/threads/mep-802a-rotor-removal.167770/post-2044334 This is the same genset( I work on it every couple years ). That post was about separating the rotor from the locked engine. When I assembled it all back together( cleaning...

@Mattguy - thanks for the video. That is what I'm expecting to happen and have experienced previously in my professional life. Certainly not what my MEP is doing. I can get some pictures and video posted later. But to answer some of the questions. All panels are on except for the top...

I'm working on fixing a MEP-802. When running it, there seems to be excessive amount of vibration. The front gauge panel moves back and forth 1" and vibrates the wire harness enough that wires are breaking off things. When I look at the engine its self, that section of the generator doesn't seem...

Ray70, From my experience, swapping a motor requires the full tear down of the whole set. For separating the rotor from the fly wheel, you'll need to disassemble the generator section as well. I was only able to get to the 5 bolts with an offset wrench. The spacing is too tight to get a socket...

Thanks for the info Daybreak. I've found some of your youtube videos and specifically book marked the start procedure one. It was a good refresher for me. When I'm using the dead crank switch, Will the oil pressure gauge be functioning? I was thinking, that if it was functioning, I could just...

I'm working on rebuilding a MEP-802a. I got a NOS Factory Rebuilt engine to replace my bad engine with. I'm getting close to the point of cranking it over for the first time. When I was installing filters, I could see that there is oil & fuel residue from the presumed factory test run. But I'm...

I've started re-assembling a good generator from all the best parts. The flywheel and rotor assembly I went with was the original one that caused me to start this thread. I thoroughly cleaned the flywheel and rotor before re-assembly and even used some steel wool to polish some rough spots...

VICTORY!!!!! While explosives and tug of war were both great ideas and very satisfying entertainment wise I just couldn't get over the risk of potential energy turning into kinetic energy and launching a heavy piece of something to somewhere it shouldn't go. After a few days away from...

I appreciate the help Guyfang in reaching out. I've reached out to all my Army buddies and everybody is as baffled as I am. Its even stranger to have the same problem on two sets that clearly are from different batches. I did buy them in the same auction lot though from the same place... so...

Diesel Addict, That is an interesting idea. Sadly I don't think there is a way to implement it. 1, there isn't a hole in the adapter plate other than the bolt holes. 2, There is a void between the problem adapter plate and the fly wheel, but I don't know how big it is and where it is if I...

Well.... a brother and a niece helped me tear down my 2nd 802 set. Sadly, same problem/issue. I haven't beat on it as much yet, but I've exhausted all "normal" means of separating the two. This one has a black painted adapter plate with white lettered part numbers. So... its obviously a...

the most common suggestion amongst my co-workers is a tie between explosives and a 5-ton tug of war approach. I must admit, that if I'm stumped by the 2nd set these suggestions will get pretty appealing. I should have more to report this coming week. Several of my brothers will be in town, so I...

I've spent several days trying all sorts of tactics with out success. This latest attempt had the rotor standing vertical in the air so that the fly wheel was horizontal. We then flooded the problem joint with 50/50 acetone & ATF for several days. Threaded in a bolt in the end of the rotor and...

I had a few moments today in the shop to give it another try. Got the slide hammer setup with a 3 jaw puller and put that over the bearing on the end of the rotor. The whole thing put up a fight, but I at least got the bearing off which needs to be replaced anyways. Still no movement at all from...