What valves must be open during fueling operations with the SIXCON system for refueling?

During fueling operations with the SIXCON system, it is essential to ensure that the correct valves are open to facilitate the flow of fuel and maintain system integrity. The correct choice specifies that Valves C and L must be open during refueling.

Valve C is typically responsible for controlling the flow of fuel from the storage or supply tank to the dispensing line, allowing the fuel to move toward the tanks or vehicles being refueled. Valve L may be associated with the return line or a specific safety aspect of the system, ensuring that any excess pressure or fuel can be managed effectively.

Opening these valves ensures that the fuel is adequately channeled into the system, reducing the risk of spillage, ensuring proper pressure, and managing the flow rate during the refueling process. This enables a smooth and efficient delivery of fuel.

Understanding the roles of each valve in the fueling system is critical to prevent malfunctions and ensure operational safety. Only by correctly identifying and operating Valves C and L can personnel ensure that the fueling process proceeds without incident.