i have a ridgid gp90135 wheelbarrow gas compressor. when i start it up it builds air pressure in the tanks. pressure set 100psi. when pressure get to the max instead of switching the throttle underloader off so no more air goes to tanks the motor shuts down. i would let the pressure out start again and the same thing happens. tried many times will always the same result. whats wrong with my compresser? im building a room and need it now. its 2 years old with not much use. i dont want to send out. i can fix myself. just need to know the problim and have the part asap.
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ridgid air compressor help