What is required for fuel fill and vent lines regarding clamping?

What is required for fuel fill and vent lines regarding clamping?

• A. Double clamping is required
• B. Single clamp is sufficient
• C. No clamps required
• D. Clamps optional

Answer: (A)

Fuel fill and vent hoses must be secured with two clamps. This redundancy protects against leaks and hose detachment that can occur from vibration, movement, or pressure changes during filling or venting. A single clamp can loosen over time, letting fuel vapors escape or the hose slip off the fitting, which creates a serious fire and environmental hazard. Using two clamps provides a more reliable seal and keeps the hose firmly attached to its fittings, reducing the risk of leaks.

Fuel fill and vent hoses must be secured with two clamps. This redundancy protects against leaks and hose detachment that can occur from vibration, movement, or pressure changes during filling or venting. A single clamp can loosen over time, letting fuel vapors escape or the hose slip off the fitting, which creates a serious fire and environmental hazard. Using two clamps provides a more reliable seal and keeps the hose firmly attached to its fittings, reducing the risk of leaks.