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Old 09-29-2011, 09:17 PM   #1
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Gen set fun

Noticed this today. Not much room to get the upper flange off. News at 11.
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Old 09-29-2011, 11:12 PM   #2
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You could get that rewelded Mike...
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Old 10-01-2011, 11:02 AM   #3
Full Timers/Diesel power.
 
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You could get that rewelded Mike...
That's what I'm thinking of, it's getting the upper pipe and flange off that is the bearcat, I'm hitting it with penetrating oil. So much time, so little room.
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Old 10-01-2011, 02:30 PM   #4
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Refresh my memory cells on what genset you have Mike?
Once you get the upper part off, I would cut the muffler pipe off about a inch up from the body of the muffler and weld a complete new stub on... I bet there are stress fractures or weak spots a long way down below the break.
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Old 10-01-2011, 02:46 PM   #5
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Check you local Midas or other muffler shop. They are surprisingly creative with bending pipes and creating custom fittings, etc. Also, depending on complexity, their prices are pretty reasonable. They have probably worked on about everything you can imagine that has a muffler on it.

I used to have problems breaking the necks on low hanging mufflers. After buying some lifetime mufflers from them, thinking that they would last longer; the next time they broke, I told them they were Midas lifetime mufflers and they could replace them if they wanted to. And, guess what -- they welded the necks and rehung the mufflers properly, so that I never had to bring them back in again for repair/replacement.
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Old 10-01-2011, 03:36 PM   #6
Full Timers/Diesel power.
 
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Agree with all posts, however, I've done enough welding to know this upper pipe and flange have to come off, there is no room to do a proper job. My feeling is the pipe broke because of the lack of of a flex fitting where the exhaust pipe connects to the frame. Hard to see, but it's broken inside the compartment.
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Old 10-01-2011, 04:26 PM   #7
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Wow, yes, that looks like a tough one to get at Mike...
Looking at the Green paint I assume its an Onan?
Could you remove the pipe further up... maybe at the manifold if it would be any easier?
I know on my Kohler, there is a similar pipe that comes from the top of the head, over and down... and a pipe clamp right on the top.. Right hand side of this pic, with the open ends of the clamp and 2 nuts facing up..
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Old 10-01-2011, 06:49 PM   #8
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It is an Onan, and, you're right, removing the manifold from the top may be the best way. I take my chair out in the morning and stare at it, trying to figure THE WAY.
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Old 10-01-2011, 09:02 PM   #9
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Put the wrench on the manifold bolt... and get someone to rotate the Airstream!
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Old 10-02-2011, 10:51 AM   #10
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If anyone has an Airstream wrench, it would be Steve!!! Where do you apply the wrench to turn the Airstream???
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Old 10-02-2011, 12:56 PM   #11
Full Timers/Diesel power.
 
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Quote:
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Put the wrench on the manifold bolt... and get someone to rotate the Airstream!
Every site has a S.A., thanks for the suggestion.
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Old 10-02-2011, 01:44 PM   #12
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Yup, I guess the only tool I don't have, is the one to loosen that large Nut behind the steering wheel...

That image of you siting on your chair staring at the Genset Mike, had me smiling...
There is this image of you puffing away on a pipe in a thoughful pose....
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Old 10-02-2011, 01:55 PM   #13
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Since we are wrecking this thread ( it's o.k., it's mine) have any of you guys used this product? POR15, Inc. - Stop Rust Permanently - Repair Gas & Fuel Tanks My mechanic up north restores old time rigs and swears by their products.
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