Hi ! I got a XGK a few months ago. It was working very well, but there were small particles in the flame after a few days of use. I took the burner apart and cleaned it: I cleaned the jet, cleaned up the flame spreader and the part under it, removed and cleaned the fuel line, used the fuel line to clean the pipe. I also filtered the fuel that was in my fuel bottle. I also pumped a lot (150 + strokes, while hearing the little «pfwee» everytime I pump). Do you guys have any advice?
I’m thinking just carbon that wasn’t flushed out after cleaning and working it’s way out. Run it. Doesn’t need that many pumps, even a fuel bottle half full only needs 20 or so pumps, maybe a bit more, this isn’t a Coleman. Duane
Hey, thank you for your answer! I have run it for quite a long time (about one hour), and it didn't make it better, so I don't think that will solve the problem. I agree that it doesn't this many pumps. The point I was making is that the reason the flames are yellow is not a lack of pumping (which would be the first logical explanation). If you have any other ideas, I gladly take them!
@JulietteRouesse "used the fuel line to clean the pipe" Does that mean that you flushed the fuel line with fuel. To me yellow flames are from being too rich, worn/or wrong jet, incomplete combustion, not enough heat to the fuel in the generator and bad/contaminated fuel. Particles or blockages to me would be poor performance, weak flame and the flying sparks. You did not mention the type of fuel you are using.
Hey, Thank you for your answer! Yes, I did flush the fuel line with fuel - it came out clear. I am not a native speaker, what does it mean, "being too rich"? The jet is practically new, and I use the GK, so I don’t think it is that. I pre-heated (I’m used to pre-heating in very low temperatures and now it s a bit warmer, so I probably pre-heated it too much). And the fuel came right from the bottle, and is what all my fellow guides use here, so I don’t think it is the problem. I use 4-stroke alkylaktbensin (alkylate petrol?), which is commonly used in my guiding community. I decided to do the whole maintenance again, checked the whole pump followinf the official video, and cleaned again the burner (because it’s been burning «dirty»). Now my pump is leaking, I didn’t have time to check where it comes from yet It’s like everytime I touch this burner, it’s getting worse…
I am going to guess that 150 pumps might have not been good for the pump. Does your fuel burn well in other stoves?
Make sure the jet is tight enough. A small leak at the nipple threads can have a big impact on the flame output.
I mean, you’re supposed to pump 40 times to pressurise when the fuel bottle is half, and to keep pumping while it’s burning, so I don’t think it’s a problem. Yes, it does. It’s alkylate bensin (white gas).
A photo of the flame can help us understand. It sounds like the flame is red, rather than the flame has flashes of red. "Too rich" means too much fuel for oxygen. "Too lean" is the opposite- too little fuel for oxygen. So "too rich" can mean "not enough air". The height of the flame spreader can be adjusted. Lifting it away from the jet gives more time for air to be caught, and may solve your problem. Bend the legs of the flame spreader evenly to keep it centred.
