Question about Coleman Powermate 27 Gallon Air Compressor

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Air from compressor is WAY TOO HOT! Model #cl0502710. Spray gun gets too hot to handle in 5-10 minutes.

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First check the condition of your air filter. Clean or replace as necessary.

Second time how long it takes for the compressor to build from 0-125 psi. If you have the 15gallon tank and it takes more than 3 or 4 min to build up then you have valve problems. If you have the 27 gallon tank it shouldn't take more than 7 min to build up.

If your pump up times are ok then you need to look at the duty cycle. Compressors such as yours should not be on more than 50% of the time. So if you use the compressor for 2 hours of work it should not be pumping for more than 1 hour of the time.

If your pump is working more than 50% or pumping continuously then you need a bigger compressor for your tasks.

The only other factor to consider is the room temperature. If the room where the compressor is is too hot it only magnifies the problem.

Hope that helps

Posted on Aug 30, 2010

  • zlongi Sep 02, 2010

    I have disassembled and cleaned the pressure switch, air valves, etc. no clogs, all in good repair. This assembly will get too hot to touch in 5-10 minutes of use. The hose will get to hot to touch in 15-20 minutes of use. The tank itself will get warm. I believe the only place that could generate this heat is the pump piston, part #048-0774. Does anyone believe replacing this part will solve the heat problem?



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