What Are Safety Checks For CNG Vehicle?

What Are Safety Checks For CNG Vehicle? Fuel Receptacle. Secondary Check Valve. Defueling System. Fittings, Tubing and Lines. Cylinder(s) Cylinder Shields and Mounting System. Cylinder Valves. When should CNG containers be inspected? For these reasons, tanks should be inspected in a qualified service facility every three years (36 months) or every 36,000 miles, whichever comes