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Shortly before the last No Rally Rally, I pulled the release to my 20k Kohler to check fluids. Lo and behold, when I came around the front of the coach, the gen was dangling out the front with the  fiberglass cover 6 inches off the concrete. The only thing that stopped it from hitting the ground was the fully extended ram and as it tilted, the back of the valve cover hit the roof of the enclosure. Creslie at Newell said this has never happened before, so leave it to me to be the example.
The gen is mounted by four motor mounts to it's frame, the frame slides out along heavy duty rollers on it's carriage attached to the air powered ram on my "97 #458.
The four carriage mounts had all disintegrated and nothing was holding the whole assembly in it's housing but it's weight. As I extended the gen out, once it reached over center, out it came. The hard part was trying to stab the exhaust pipe back into the larger pipe that let's it telescope with the ram coming in or out. After days of trying, with a tractor, forklift, jacks, meditation, lack of anger management etc, I went inside and called Forest to tell him I was giving up and not coming to the rally. He talked me off the cliff and after a stint inside in the a/c, I figured I'd give it one more try. I then pulled the exhaust off the Kohler and found why I couldn't get the pipes to mesh. The end had bent as it was coming out of the pipe, as the gen was falling out. After reshaping the pipe and cleaning it, I coated it in anti-sieze. It was smooth sailing after that.
The mount is a Lord 283P250.
It is in their catalog as a Plateform heavy duty vibration isolator.
Astrotex in Plano, TX carries the part. 972-424-8707. Price is $44 each x 4
I know this is an old thread but this was exactly what I was looking for. 

Ever since we picked up #490 the generator sticks out more at the top than the bottom. I looked underneath and it looked like someone had run over something, so I just thought that I was going to have to bang out some metal and straighten some things out and it would be fine. Well I looked more closely and noticed that the peice of metal that was bent was just sheet metal and it’s just a deflector for the air coming out of the generator compartment. So it’s not structural at all. So then I started looking and searching on here and found this thread and it appears this is the answer. The bushings on the front of the generator slide mount is totally squashed and the ones in he back are stretching out. So it may only be a matter of time before mine falls out. 

So Astrotex does still have them and I ordered them from them. The price went way up, surprise: $91.00 each. Total for 4 shipped to Fl was $404.95

So bone head move on my part, I did not wait until Newell got back to me if they had them. Well they do have them, and they are $70.50 each Newell part #10268

Front bushing, can barely see it’s so squashed
[attachment=13573]
Rear bushing, can see it looks stretched
[attachment=13574]
Generator cover sticks out about 1/2” at the top, also does not seal completely which allows air to escape that should be going over the radiator
[attachment=13575]
View from the top
[attachment=13576]
The air deflector on the bottom that is bent up, it’s going to have to come off to replace the bushings, so I will straighten it out then
[attachment=13577]
Jeff, glad you got it fixed. I did a post on the rollers also.
(7 hours ago)smagown Wrote: [ -> ]Jeff, glad you got it fixed. I did a post on the rollers also.

Thanks Steve, have not done the repair yet. Its moved up on my list now that I have the bushings. 
I will look for your post on the rollers, mine seems to roll fine but I will take a look while I am working on it.