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It is possible to change the bearing without pulling the stator. Look at the -24P.

No, you can not get at the five bolts without pulling the stator.

Brilliant! Simply brilliant!

That's What I would try. The adapter plate should react to the cold much faster then heating the flywheel. Maybe an added benefit would be that if there is some sort of adhesive between the two, that it might become brittle. A few blows with the BFH might break it loose. Or the contraction of...

There are several that I can think of, that applied right, would do the job. About the only thing that would weaken them is heat. Or maybe cold? Shoot some CO2 in the plate, then apply the BFH? But I must admit, this is the ****edest thing I have ever heard of. I was beginning to wonder if you...

There is no earthly reason for that rotor to not separate from the engine. None. There has to be some kind of adhesive holding it together. Now that you have the bearing off, take the exciter rotor off. Wrap a bunch of rags around the shaft, put a bunch of cardboard under the main gen rotor, and...

So what happened?

You can try the slide hammer. It should work. But once again, I think I would remove the bearing and exciter rotor, to keep them from being in the way, or damaged. You can get by without doing it, but got to be a bit careful. I haven't done this procedure since about 2008 or 2009. but for the...

Now I understand. Well, like I told you in post # 11, you can remove the flywheel and rotor, from the engine, without removing the Drive Disc, (red plate) from the Flywheel. That would make this job easier. If all you want to do is change motors, then that's what I would do. Separate the...

Let me see if I have this right. The motor is still attached to the main AC rotor? Please take a picture and send it to me. I think we are on the same street, but going in opposite directions. You want to take the main gen off the old engine, and put it on another rebuilt engine. Right? If...

I had this problem with other sets, but never the MEP-802A. 60 KW's mostly. What we did was to rig up a sling on the exciter rotor. Suspend the whole thing about 2-3 inches above the floor. Put two pieces of plywood and some cardboard under the main gen rotor. Then screwed in an old bolt and...

When you say generator head, Just what part are you talking about? Item Item 42? Item 25? Because I have never had a real hard time with the disassembly of a MEP-802A main gen. Yeah, sometimes we had to tap it a bit. And yes, you can use heat. I have used a heat-shrink gun to warm things up...

Dead Blow Hammer is what I call a plastic sand filled hammer. I am but a simple generator mechanic, who is losing his english skills slowly but surely.

If the bolts are all out, wack it with a plastic, sand filled hammer. That's what I have done several times.