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Generator exhaust
#1
Generator exhaust , inside the compartment . I replaced the exhaust receiver pipe ( 2 1/4" O.D. , 2 " I.D. , gen pipe slides into it ) some time ago , now I have exhaust leaking into the coach . The problem is obvious , and of my own making . I didn't look at the old pipe closely enough , missed the packing that is pushed into the bead , assumed that the bead was to keep pipe from pushing through the panel . I machined a steel " donut " , welded it onto the end of the new pipe and that was it , Voila ! exhaust leak . The blower then supercharges the fumes into the cabin . 
 Has anyone developed another way to do the exhaust system with the slide out generator ?  I thought perhaps a flexible pipe or steel braided hose , but probably inviting more problems reinventing the wheel ! That said , I am looking at machining another piece with an internal receiver groove for the packing . Alternatively I could order a tool for beading and go with original style .
Question , looking for a source for the packing , wonder if anyone can steer me ? I have a request at Newell parts , not sure they would still have such a thing , so I am looking at options . 
I have shot myself in the foot so many times it's a miracle I can still walk !!
Chris
1986 #89
VIN 007
Chris and Sharon Hand 
#2
You might have success with this, apply it on the exhaust pipe where it will slide in an inch as you return the generator to travel position.

"Permatex® Ultra Copper® Maximum Temperature RTV Silicone Gasket Maker
Category: Ultra Series Gasket Makers
OEM specified. For high operating temperatures common in 4-cylinder, turbocharged or high-performance engines. The most advanced, high temp RTV silicone gasket available. Sensor-safe, low odor, noncorrosive. Superior adhesion. Three times more oil resistant than conventional silicones; eight times more flexible than cut gaskets. Temperature range -65°F to 700°F (-54°C to 371°C) intermittent; resists auto and shop fluids and vibration."
Jon & Chris Everton
1986 40' Dog House #86
0 hp 8V92 Allison HT740
Soon to be 500 hp ISM 6spd ZF
#3
Tom had some about ten years ago.......

It looked something like this https://www.mcmaster.com/valve-packing/w...ing-seals/

I picked the reinforced version but plain old graphite valve packing might do the trick.
Richard and Rhonda Entrekin
99 Newell, 512
Subaru Outback Toad
Inverness, FL (when we're home Cool )
#4
Appreciate the link , I had looked at that and you have helped me zero in. I'm making a diy bead roller , we'll see how it works out . Will post as it all develops .
Thanks for the replies !
Chris
1986 #89
VIN 007
Chris and Sharon Hand 


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