Operation

Explains how the carburetor works, one barrel at a time. Sections cover the fuel inlet needle and float system, the main metering system, the idle system with its idle tube and adjusting needle, the vacuum-controlled power enrichment (economizer) valve, the accelerating pump with its override spring, the choke with poppet valve, and the Centri-Vac vacuum governor, shown with labelled system diagrams.

What this section covers

• Fuel inlet system
• Main metering system
• Idle system
• Power enrichment system
• Accelerating pump system
• Choke system
• Governor