How do I confirm if my pulleys are worn

Broad Fuel Compatibility: Reliably senses ultraviolet radiation produced by the combustion of gas

including the FB4CNP036

and pressure

Hubbell Industrial Controls 69JF7 Pressure Switch 320819-301 How do I confirm ifThe Hubbell Industrial Controls 69JF7 Pressure Switch is a heavy duty, single stage air compressor pressure switch engineered to regulate tank pressure within a precise 95 125 PSI range. Designed for technicians who prioritize field reliability, this 95 125# pressure switch features silver cad oxide brazed contacts to ensure superior electrical conductivity and prevent pitting during high cycle industrial operations. The 69JF7 is housed in a rugged