How to Adjust Air Compressor Pressure Switch

If you’re a hobby garage mechanic or enjoy DIY remodeling projects, then you know that an air compressor can be useful.

But did you know that the pressure switch on your air compressor may need to be adjusted continuously?

Table of Contents:

• Why You Might Need to Adjust Your Air Compressor’s Pressure Switch
• Tools and Materials Needed to Adjust the Pressure Switch
• Steps for Adjusting an Air Compressor’s Pressure Switch
• What Else You Should Know About Adjusting an Air Compressor Pressure Switch
• Conclusion

Why You Might Need to Adjust Your Air Compressor’s Pressure Switch

If your air compressor is constantly turning on and off, or the tank isn’t filling up with enough air, you may need to adjust the pressure switch.

Additionally, if your air compressor is making too much noise, it could be because the pressure switch needs adjustment.

By understanding why you might need to adjust your air compressor’s pressure switch, you can ensure that your machine runs smoothly and efficiently.

Tools and Materials Needed to Adjust the Pressure Switch

This is not a difficult task, but there are a few tools and materials that you will need to do it properly.

First, you will need a screwdriver. Second, you will need pliers.

Third, you will need an adjustable wrench. Fourth, if the old pressure switch is damaged beyond repair, you will also need a replacement switch.

With these tools in hand, follow these steps to adjust the pressure switch on your air compressor:

1. Use the screwdriver to loosen the screws that hold the cover plate over the pressure switch assembly; then remove the cover plate, exposing the wires and contacts inside.
2. Locate the two adjustment screws—one labeled “cut-in” (this sets the mechanical point at which the compressor starts automatically) and one labeled “cut-out” (this sets the point at which the machine shuts off automatically)—on top of the switch.
3. Use these wrenches to turn each screw clockwise or counterclockwise to increase the cut-in or cut-out, respectively; turning each screw a quarter turn usually changes the cut-in or cut-out by about 2 pounds per square inch.
4. After making your adjustments, reattach the cover plate using the original screws; test run the machine to see if the new settings are employed properly.

With these tools and materials, you should have no problem adjusting the pressure switch on your air compressor.

Steps for Adjusting an Air Compressor’s Pressure Switch

Here are four easy steps to do so:

1. Locate the pressure switch on your air compressor. It will be a small black box with a knob or screw.
2. Unplug the air compressor from its power source before beginning any adjustments.
3. 3a

For switches with a knob, turn the knob clockwise to increase pressure or counterclockwise to decrease it;

1. 3b for switches with screws, loosen or tighten them accordingly (usually clockwise to increase and counterclockwise to decrease).
2. Plug in the air compressor and test it out if necessary; repeat steps 2-4 until desired results are achieved.

What Else You Should Know About Adjusting an Air Compressors Pressure Switch

If you’re a garage mechanic or passionate DIY-er, you know that an air compressor is a powerful and versatile tool.

But did you know that if your air compressor’s pressure switch isn’t working properly, it can cause the unit to overheat and shut off?

This not only damages the compressor but voids the warranty as well. So before making any adjustments to your pressure switch, check your owner’s manual first.

Here are 5 things else you should keep in mind when adjusting an air compressor’s pressure switch:

1. Make sure the power is turned off before making any adjustments.
2. Check for leaks around the compression chamber. This will affect how much air is being released and ultimately throw off the entire process.
3. If water build-up is inside the tank, drain it completely before proceeding.

Otherwise, this too will impact performance.

1. Be mindful of where you place the dial on the regulator. Too high of a setting could damage delicate parts like gaskets or O-rings; too low and you won’t get enough airflow to do anything useful!
2. And finally…don’t forget to reattach all hoses and fittings before turning everything back on again!

We hope these tips help next time you need to adjust your air compressor’s pressure switch – happy tinkering!

Conclusion

If you have an air compressor, there may come a time when you need to adjust the pressure switch.

This can be for various reasons, but most commonly, it is because the air compressor isn’t reaching its full potential or something is wrong with the pressure gauge.

Luckily, adjusting the pressure switch on your air compressor is relatively easy and only requires a few tools.

Air Compressor Total is the place to go if you’re looking for information on buying, owning, and using an air compressor. We offer various services to help you get the most out of your air compressor, including advice on choosing the right model and troubleshooting tips.