Air Compressor: Why can't I adjust the output air pressure on my air compressor?
The regulator controls the output air pressure. If you can't adjust the output air pressure, replace the regulator.
THESE REPAIRS MAY HELP SOLVE YOUR AIR COMPRESSOR PROBLEM
Replace the air compressor regulator
The regulator controls air tool supply pressure coming from the tank. Replace the regulator if it doesn't properly regulate supply air pressure.
Air compressor regulator
Find the required part specific to your product.
Symptoms common to all air compressors
Main causes: lack of electrical power, check valve failure, bad pressure switch
Main cause: bad air tank pressure gauge
Main cause: faulty output air pressure regulator
Main causes: bad safety valve, pressure switch failure
Main causes: loose air tube fitting connections, bad check valve, faulty safety valve, damaged or corroded air tank, bad air pump
Main causes: rusted air tank, loose air tube fitting connections, bad check valve, leaky safety valve, bad tank drain valve
Main causes: tank drain valve open or leaking air, leaky air tank, bad safety valve, worn pump seals, bad pump valve plate
Main cause: bad check valve
Repair guides common to all air compressors
You can replace a broken air compressor pressure switch in about 45 minutes.
Repair difficulty
Time required
45 minutes or less
If the air compressor won't fill the tank with compressed air, rebuild the pump using these steps in about 45 minutes.
Repair difficulty
Time required
45 minutes or less
You can replace a defective air compressor check valve in about 10 minutes.
Repair difficulty
Time required
15 minutes or less
Articles and videos common to all air compressors
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Learn how to maintain an oil-less air compressor for safe and efficient operation.