Question about Senco PC2001 2 HP 4 Gallon Electric Hand Carry Air Compressor
There is a check valve between the compressor and tank, and there is also an 'unloader valve' which blows the pressure off the compressor so that it starts under little load. I think your check valve is stuck open and the unloader valve is blowing tank pressure off.. and when the compressor tries to start it's starting against the pressure in the tank.
So check/replace/thaw the check valve and you'll be good to go. It's generally at the tank where the line from the compressor head goes into the tank, it'll be between the two somewhere.
Posted on Jan 02, 2011
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Posted on Jan 02, 2017
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