Re: Furnace oddities.

Our furnace is a manual ignition.  I push a peizo igniter to get a 
spark.  If it does not light within the first couple few pushes, it 
is unlikely to light unless allowed to "rest" maybe ten minutes.

Dan

--- In toyota-campers@xxxxxxxxxxxxxxx, "rollin298" <rollin298@...> 
wrote:
>
> 
> Hi Dan
> Your furnace I think should have a motor that drives a squirrel 
cage
> fan on each  end of it's shaft.
> One end blows across the out side of the combustion chamber (inside
> air) the other end force feeds outside the coach air into and out 
of
> the combustion chamber through an exterior wall double tube set up.
> This motor/fan should come on for a few 10s of seconds to clear the
> inside of the chamber before the sparker starts firing. Some units
> have a means of adjusting the amount of the forced air that is fed
> into the gas/air burner. 
> Here is a site that may be helpful even if your exact model is not 
listed.
> See ya
> 
> http://www.marksrv.com/siteindex.htm
> http://www.marksrv.com/furnace_trouble_shooting.htm
> 
> 
> 
> 
> 
> 
> 
> --- In toyota-campers@xxxxxxxxxxxxxxx, "listermann42" <dan@> wrote:
> >
> > Is it possible to "flood" a furnace?  I used to believe that the 
> > sparker was in bad shape because it only seemed to work 
initally.  
> > After a few attempts it probably would not work again until 
> > it "rested" a while.  That is what seemed to happen again 
tonight 
> > after I thought I had fixed it.  I went looking for a propane 
leak 
> > around the new pilot line.  I used a lighter ( yes, I know all 
about 
> > it).  What I found was what appeared to be propane leaking out 
of the 
> > combustian chamber like it was full of the gas.  It did not 
explode, 
> > it just slowly burned.  As usual, after the rest, the pilot lit 
the 
> > first time.  I am starting to think that the combustian chamber 
can 
> > fill with propane gas and cause a lack of oxygen. The spark 
might be 
> > good, but the propane does not have enough oxygen to ignite.  Is 
this 
> > possible?
> > 
> > Dan
> >
>






 
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