200A and 202 reproduction
frames back
in stock.

Bristlecone
Hi, I'm a new poster. I have a 424 stove that I bought new about 5-6 years ago and have used maybe a few hundred times. It worked fine a few days ago, but today wouldn't start. Had flames at the manifold openings, and I've found that the cleaning needle doesn't move at all when I turn the operating lever. A little experimentation at home has shown that the impaired cleaning needle function is allowing unburned gas to accumulate in the manifold, which suggests that removing the needle may allow the stove to be used, but I'd prefer a fix that gives me back a working needle. I'm trying to figure out what parts or repairs I need to correct this situation.
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hikerduane
Sounds like the valve is faulty.  The cleaning needle doesn't regulate the fuel flow much, as the valve has to be opened first.  Take the tank out of the case to check things by opening the valve on the pressurized tank, see what the spray pattern is like with the start lever up and with it down if something this new uses them still.  The needle may be worn or broken if you can see it isn't moving or the pricker rod not connected or broken.  Remove the genny tip and check things out.  
Duane
Duane-All seasons, year round backpacker and camper.  So many stoves and lanterns, who's counting.
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Bristlecone
The needle is fine, pretty much as-new condition (I've always removed the tip now and then to make sure things were clean and shiny in there). The spray pattern is also what it's always been, pretty much a straight line spray of fuel. Moving the up/down lever doesn't alter the spray pattern, since the needle isn't moving. I suppose the straight-line spray suggests the needle is stuck in the retracted position. 
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hikerduane
Other thing aside from the pricker rod not moving, is an obstruction in the bunsen, not allowing fuel to spray better in the bunsen.  Spider nest/web, mud dauber nest.
With the start lever up, you should have a spray pattern vs a solid stream with it down.
Duane
Duane-All seasons, year round backpacker and camper.  So many stoves and lanterns, who's counting.
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Bristlecone
Well, I called Mike about this and he advised me to clean out the manifold thoroughly. I had some test tube brushes so I did that, and cleaned everything else, and now it works reasonably well. There is one other problem now, though. I get quite a bit of yellow in the flame after it's heated up, but when I also light the secondary burner, then both burners show a uniform blue flame. This works whether the fuel valve is partly open or wide open, so it's a mixture problem that's happening regardless of the fuel delivery rate.
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