Re: Furnace oddities.

--- In toyota-campers@xxxxxxxxxxxxxxx, "wme013" <wme@...> wrote:
>
> See if your furnace will run the fan if the thermostat is turned 
up.
> That way you can clear out the chamber and try for a relight 
sooner.

I tried that last night and it may have worked, but I was not 
observing that carefully.  The next time I have a problem with it, I 
wll pay better attention.

Dan
> WME
> 
> --- In toyota-campers@xxxxxxxxxxxxxxx, "listermann42" <dan@> wrote:
> >
> > 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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