Question about All-Pro Forced Air Kerosene Space Heater SPC-K75

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60,000 btu All Pro At start up,it "tries" but shuts down with smoke

I have checked the ignitor, it's working. Cleaned the filter. Removed the spray nozzel and lines, checked for any obstruction and found none. The heater is one year old and just developed this problem. It isn't even used on a construction site, just in my garage. I replaced all the fuel, no help. It sounds like the motor is running alot slower than it did when it was working. The motor fan spins easly and it not binding. Any suggestions other than buying a new heater?
Thanks
Bob

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  • garyperren Dec 09, 2008

    PK 60



    Turn on the switch. Sounds like the igniter hum (no motor or fan engagement). Saftey shuts off unit

  • agita Dec 23, 2008

    pk 60a (t) same thing mine hums then shuts off on overload. was going to change igniter, but not sure that is the problem.

    bbt

  • Anonymous Jan 08, 2009

    I have the same problem. I just went out and spent 50$ on a new igniter and the problem is still there. When i plug it in, the igniter turns red in then the fuel sprays with no affect and then it just shuts off. I was wondering if it had something to do with the fuel or air adjustments on back. Andrew

  • Todd Gibb May 11, 2010

    Does this unit have a solid state relay hooked to the motor? I can't tell without a model #.

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Check to see if the flame indicator (photocell) is dirty. Sometimes soot or dust will cover the lens and need tobe wiped off.
Also when these have been sitting for awhile mice or other rodents can build nests inside the housing which can cause problems as well as afire hazzard.

Posted on Jan 22, 2009

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I hava an All Pro 65,000 BTU heater. It was working fine a week ago. The igniter glows, fuel mists but doesn't light off then shuts down. Ideas?


I am sure you have confirmed that the fuel is fresh and good, no water in it, etc.--
It is kerosene, not #2 Diesel fuel, right?

And the shutting down is good, if the flame does NOT ignite--- :-)
So we have to figure out why the fuel is not getting hot enough to ignite?


Question-- is the oil spray passing close enough to the ignitor?
And this unit does NOT use SPARK to ignite?, correct? --
for most of these heaters have spark ignition.. I am learning all the time, too!

How about checking the fuel pressure. and the air -- is it correct?
Check with your manual how to check and adjust.

After testing these tings, let us know what you learned

Mack B

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Well it is getting fuel but is it atomized in very small droplet form? If so is your igniter close enough to ignite the fuel? You see these spray a very fine conical mist under high pressure, if the mist is not defined or conical it sprays past the igniter. If it is fine and cone shaped it could be the positioning of your igniter. Please check both by removing the top section of the heater and watch what is going on in there. My thoughts are a bad nozzle and if you replace it pay attention to spray angle and GPH rating printed on the side of the nozzle.

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If...the air pump pressure is right, the ignitor glows, the fuel is hitting the ignitor, then the unit will have combustion......unless.....
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  2. there is a vacuum leak on the fuel line
  3. there is a leak at the nozzle adapter
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