Section 6M · Pages 2–5 (4 pages)

Carburetor operation

From the GMC Bendix-Stromberg WW and WWC Carburetor Service Manual Section

Make
GMC, Stromberg
Vehicle
Carburetors, Components and Systems
Type
Service Manual
Models
GMC 7500 and 8500 series trucks; 351C, 351M, 401M, 478M and 637 engines
Pages
10

Explains the idling, main metering, power, accelerating and choke systems, with operation views in figures 20 to 23 for the 351C and for the 351M, 401M, 478M and 637 engines: idle tubes and needle valves, main discharge jets, vacuum power piston and by-pass jet, and the pump with inlet and outlet ball checks.

What this section covers

  • Idling system
  • Main metering system
  • Power system
  • Accelerating system
  • Choke system
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