Pages 49–52 (4 pages)

1939 and later BB downdraft service procedure

From the Carter Universal Carburetor Service Manual

Make
Carter
Models
Carter universal, BB, BBR, WA-1, WCD, WGD, YF and UT carburetors; Hillman Minx 2938S
Pages
81

Form 3358B explains the circuit method for 1939 and later BB downdraft carburetors, including removal and installation of the main vent tube with special tools, step-up piston, pump check balls and the choice of flange gasket with or without a governor.

What this section covers

  • Disassembly
  • Main vent tube installation
  • Pump check balls
  • Float level
  • Flange gasket selection