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Why won't my air compressor build tank pressure?
less than a minute readApr 19Lyle Weischwill
If your air compressor tank won't build pressure, shut the drain valve at the bottom of the tank if it's open. Then c heck for air tank leaks and replace the tank if it's leaking. Tighten loose air tube fittings to prevent air leaks.
The safety valve pops open to relieve excessive air pressure if the pressure switch fails to shut off the air compressor at the cut-out pressure setting. Replace the safety valve if it leaks air constantly. Worn pump seals prevent the pump from compressing air. If the pump won't compress air, rebuild the pump. The valve plate regulates airflow into and out of the pump cylinder to compress air, so replace the valve plate if damaged.
These repairs may help solve your air-compressor problem
Rebuild the air compressor pump
Worn pump parts and seals prevent the pump from compressing air. If the pump won't compress air, rebuild the pump with new parts and seals.
Rebuild the air compressor pump
Find the required part specific to your product.
May 01
How to rebuild an air compressor pump
If your air compressor's gauges show that the tank isn't building pressure, the pump might be the pr…
Repair time and Difficulty
45 minutes or less
Replace the air compressor valve plate
The valve plate regulates airflow into and out of the pump cylinder to compress air. Replace the valve plate if damaged.
Air compressor valve plate
Find the required part specific to your product.
May 01
How to rebuild an air compressor pump
If your air compressor's gauges show that the tank isn't building pressure, the pump might be the pr…
Repair time and Difficulty
45 minutes or less
Tighten air compressor air tube fittings
Inspect air tube fittings regularly. Firmly tighten any leaking air tube fittings.
Tighten air compressor air tube fittings
Find the required part specific to your product.
May 01
How to rebuild an air compressor pump
If your air compressor's gauges show that the tank isn't building pressure, the pump might be the pr…
Repair time and Difficulty
45 minutes or less
Replace the air compressor safety valve
The safety valve pops open to relieve excessive air pressure if the pressure switch fails to shut off the air compressor at the cut-out pressure setting. Replace the safety valve if it leaks or pops open at normal operating pressure.
Air compressor safety valve
Find the required part specific to your product.
Replace the air compressor tank
Don't try to fix a leaking air compressor tank. Replace the tank if it leaks air.
Air compressor tank
Find the required part specific to your product.
Replace the air compressor air tubes
Air tubes carry compressed air from the pump to the tank and from the tank to the outlet supply fitting. Replace air tubes if damaged or leaking.
Air compressor air tubes
Find the required part specific to your product.