I have a 150,000.00 BTU all pro heater. I have changed the fuel replaced all the fuel line's and every time I turn it on it start's to smoke and then pop's the overload it is about three years old. In reading all sort's of problem's I noted to clean the igniter did that still does not work properly. Please Help.
Thnak You, Jim in California.
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Just because there is fuel & spark does not necessarily mean there will be combustion. The fuel must be delivered at the correct pressure, the correct volume, and must be delivered as a fog- not a mist.
Check the air line and the fuel line. Look for cracks in the lines. Also check where the air line connects to the fan motor and fuel nozzle and the where the fuel line connects to the filter and the fuel nozzle. You need it to fit tight. If it is stretched out trim some from the ends and put them back on. This will help them fit tighter. Also check the fuel filter. If this doesn't help let me know and if it does don't forget to rate the answer. email@example.com
the first thing you need to do is go back to useing K1 kerosene, diesel fuel not only burns dirty but also has a tendency to gel up in cold weather which could be makeing it hard for the heater to draw the proper amount of fuel. To reset the pressure you will need a gage, it should run at about 6-7 psi. you can order a pressure gage from mr. heater online, they are by far the cheapest I have found as they are the actual manufacturer or call 1-800-251-0001
There are any number possibilities for intermittent running. 1.Bad ground connection at the Ignition Device (transformer, spark box) 2.restricted fuel filter causing fuel starvation 3.crack in the plastic end cover 4.crack in the airline 5.crack in the fuel line 6.crack in the nozzle adapter 7.water in the fuel 8.Others I’m sure I left out You must be the one to troubleshoot & find the cause. Follow these troubleshooting tips