Let the air compressor run until it shuts off.
Craftsman air compressor pressure switch adjustment.
Steps to adjusting the air compressor pressure switch.
The best policy is to replace the pressure switch.
If the pressures are not correct on the air compressor it is because the bellows inside the pressure switch has hardened or broken.
It does that by letting you adjust the cut in and cut out pressure.
The air compressor will start immediately.
This is the cut out pressure setting.
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A pressure switch of an air compressor helps to start and stop the compressor automatically.
This shut the unit off right at 142 pounds ish.
Replaced air compressor pressure switch control valve.
In most cases i find the cut in pressure screw to be closest to the compressor motor.
If the pressure switch comes with a fixed differential it is usually in the range of 0 8 1 bar and should normally be stated somewhere on the housing or.
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In this guide you can learn about air compressor pressure switch adjustment in the easiest way possible.
The pressure switch on your air compressor is factory set.
I popped the cover off my craftsman 40 gallon compressor carefully adjusted the torx nut about a half turn in.
The pressure switch is not meant to be adjusted as the pressure might exceed safe limits for the tank.
Before setting the cutout pressure point you need to first set the cut in pressure point.
Observe the compressor s pressure gauge while it is running and take note of the pressure reading when it stops running.
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Plug in the air compressor and turn the on off switch to the on or automatic position.
This video gives an explanation on how to adjust an air compressor pressure switch as well as basic wiring instructions.
Make sure you have unplugged the air compressor and remove the cover off the pressure switch.
