This video gives an explanation on how to adjust an air compressor pressure switch as well as basic wiring instructions.
Craftsman air compressor pressure switch adjustment.
I popped the cover off my craftsman 40 gallon compressor carefully adjusted the torx nut about a half turn in.
Jem jules new air compressor pressure switch control valve for hitachi 882 609 ps104ppl 90 120psi 240v replaces models ec12 ec129.
If the pressures are not correct on the air compressor it is because the bellows inside the pressure switch has hardened or broken.
The air compressor will start immediately.
This is the cut out pressure setting.
Let the air compressor run until it shuts off.
Craftsman 5140117 69 air compressor pressure switch genuine original equipment manufacturer oem part.
The pressure switch is not meant to be adjusted as the pressure might exceed safe limits for the tank.
The best policy is to replace the pressure switch.
Make sure you have unplugged the air compressor and remove the cover off the pressure switch.
In most cases i find the cut in pressure screw to be closest to the compressor motor.
Observe the compressor s pressure gauge while it is running and take note of the pressure reading when it stops running.
Adjustment will vary depending on t.
This shut the unit off right at 142 pounds ish.
Before setting the cutout pressure point you need to first set the cut in pressure point.
The pressure switch on your air compressor is factory set.
Replaced air compressor pressure switch control valve.
Depending on the make and model of pressure switch one can adjust only the pressure setting with a fixed differential or one can adjust both the pressure setting and the differential.
Steps to adjusting the air compressor pressure switch.
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.
In this guide you can learn about air compressor pressure switch adjustment in the easiest way possible.
A pressure switch of an air compressor helps to start and stop the compressor automatically.
Plug in the air compressor and turn the on off switch to the on or automatic position.
