A professional who converts vehicle fuel systems from gasoline to butane gas operation, using handtools. Respnsibilities include:

• Dismantles and removes existing gasoline-powered fuel systems from vehicles.
• Affixes mounting brackets or cradle to rear of vehicle, bolts high pressure butane gas tank to brackets, and installs high pressure vaporizers under hood, using handtools.
• Attaches butane carburetor and adapter to existing vehicle carburetor, or replaces original carburetor with butane one.
• Connects water and fuel lines between specified units.
• Tunes motor to conform to butane performance specifications to obtain maximum power and economy and to meet emission standards.
• May repair and service operating butane fuel units.