Official Briggs & Stratton air compressor parts

Fixing air leaks on your Briggs & Stratton air compressor

Tighten air tube fittings where air escapes and replace any damaged air tubes. The check valve prevents tank air from back flowing to the pump and unloader. If air leaks out the unloader when the pump stops, replace the check valve because the check valve leaks air back towards the unloader. 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. Replace the air compressor tank if it leaks air. Rebuild the air compressor pump if it leaks air through the pump head when the pump runs because a broken valve plate seal is allowing air to escape through the pump head.

Common Briggs & Stratton air compressor parts that you may need to replace

• Pressure switch. The pressure switch turns the compressor on and off to regulate the tank air pressure.
• Safety valve. Attached to the manifold, the safety valve pops open to relieve excessive air pressure when the pressure switch fails to shut off the pump at the cut-out pressure setting.
• Unloader. The unloader is a valve installed between the pump and tank that opens to release pump head pressure when the compressor stops, enabling the compressor to restart easier.
• Valve plate. Fixed above the cylinder, the valve plate controls air movement into and out of the cylinder to compress the air.
• Check valve. Attached to the air tank inlet, the check valve prevents air from back flowing to the pump from the tank when the pump stops.