What is the procedure for checking governor operation?

The correct procedure for checking governor operation is to reduce the air pressure in the system and record the compressor's cut-in pressure, then allow the pressure to build up and record the cut-out pressure. This method is effective because it directly assesses the governor's performance by determining the precise points at which the compressor engages and disengages during operation. By measuring these pressures, a technician can evaluate whether the governor is functioning within the manufacturer's specifications and ensure that it is managing the system's air pressure correctly.

The importance of monitoring both the cut-in and cut-out pressures lies in their role in maintaining efficient operation and preventing issues such as pressure loss or system malfunctions. If the cut-in or cut-out pressures are not within the expected range, it could indicate a malfunctioning governor that needs to be repaired or replaced to ensure optimal compressor function and system efficiency.