What is required for the maintenance of CNG dispensers?

Answer: B — All components must be maintained when the system is on

Regular maintenance of CNG dispensers is crucial to ensure safe and efficient operation. Maintaining all components of the system when it is active helps to identify and address potential issues proactively. This practice minimizes the risk of leaks, operational failures, and safety hazards, ensuring that the equipment operates reliably and within regulatory standards. The importance of maintaining both internal and external components can't be overstated, as internal components may not show visible signs of wear or issues until they lead to significant problems. Therefore, focusing maintenance efforts solely on external components would leave potential serious issues unaddressed, which could lead to costly repairs or dangerous situations. Regularly scheduled inspections and maintenance allow for the thorough checking of system integrity, functionality, and compliance with safety regulations, ultimately contributing to the long-term performance and safety of the CNG dispensers.