Herman, I agree on the generator problem. On a few occasions, I've been able to clean those out with carb cleaner and then run some marvel mystery oil through them for lubrication. The generator has a very stiff needle running through it and also a very small jet that gets gummed up with the old fuel. We always use unleaded gas but the experts and folks with plenty of money use the fuel sold by coleman. Make sure you oil the pump housing also--on the older lanterns, there's a leather "piston" and on the newer ones it's made of rubber or neoprene. Also, you can unscrew the mantle tube (the one that has the screen on the end that you tie the mantles to) and sometimes you'll find trash on the bottom of that screen. That won't cause the lantern to go out, but it will stop some of the fuel from getting through and cause a weaker flame. Last thing, put some oil on the cap threads and on the O-ring seal underneath the cap to keep it from getting cracked. A bad cap will cause pressure loss over time and you'll have to keep pumping it back up. A few safety suggestions--whenever you repair a coleman lantern and you light it for the first time always go outdoors and never light with the globe on. You can also have a steel garbage can handy to smother the lantern if it flames up due to gas leaks or whatever. Fire extinguishers work too, but then you have to get them refilled afterwards. Be careful and check all fittings for leaks before lighting the lantern.
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