On Tue, Sep 4, 2012 at 9:50 PM, David Beierl <dbeierl@attglobal.net> wrote:
> At 11:54 PM 9/4/2012, neil n wrote:
>>
>> - if manifold got misaligned due the above, lining up manifold so
>> those two fine threaded screws go in w/o cross threading (be careful
>> of this. And don't drop one down the intake or exhaust pipe!   ;^)
>
>
> Use a broomstick inserted into the flue opening to line it up exactly so it
> stays there by itself.  Do not depend on those tiny screws to pull it into
> alignment as a) they quite likely won't, leaving you with leaks, and b)
> they'll strip out.  They're meant to hold the outer assembly on, not to
> manhandle the flue into correct alignment.

Yes! One aspect of that alignment that might be easy to miss (was for
me) was the 3:00 and 9:00 orientation of manifold to body.

If one uses a mechanics mirror and flashlight, they can see if the
manifold is sealing to the gasket. Image:

https://lh5.googleusercontent.com/-safEblifyvU/THIPdiZ80NI/AAAAAAAADrk/UMAW4xkAQHM/s720/DometicFlueGap1.jpg

>
> Any time the beast is out, have a thought for the O-rings holding the flue
> pipes into the inside wall casting.  If they leak, the flame will blow out.
> They can either be replaced or sealed with silicone RTV.

If I'm not mistaken, if you're writing of the O-rings between the
manifold and exhaust and intake pipes? I found Viton O-rings to work
just fine.

They weren't hard to source. Found them at a local shop that
specializes in seals.

Neil.

--
Neil n

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