Before we go into testing, let me tell you that 99% of pressure leaks are caused by a leaking fuel filler cap. The best way to locate a slow pressure leak is with a dunk test. Empty all the fuel …

2017年4月14日 · Originally, I could not get the lantern to build any pressure. So, I replaced the pump assembly w/ one from Wal-Mart. After I replaced it the lantern will not pump up at all. It …

2015年7月30日 · Put a few pumps into the tank, reclose the pump knob, slowly unscrew fuel cap, if there's pressure in the tank, your pump is working. or there are bits of old leather pump cup, …

2022年8月1日 · If you can pump the lantern to the point it gets hard to pump, the check valve ball is operating reasonably well. The ball check valve may leak some and not be a real issue. The …

2021年3月21日 · Whenever I try to pump up there is so much back pressure it pushes the pump back out. I assume there is something in the tube below the check valve but I do not see …

The pump on your Coleman lantern pressurizes the fuel in the tank before use. Performing simple routine maintenance on the pump will save you a lot of money ...

Having a problem with your lantern or stove? Not sure what is wrong or where to start? These pages are designed to help you identify what has failed, explain how it should work and then …

2019年4月13日 · If it is open when you're pumping you won't get any pressure, it all goes out the generator. Turn the knob clockwise until it stops. Turn the pump knob 2 turns counter …

2020年6月30日 · Anyone have an issue like this? (Solved)

2019年12月1日 · Sounds like the check valve is stuck. The Coleman 285 2 mantle has a air check valve at the bottom of the pump tube. It’s actually a ball valve that prevents air escaping from …