DFC306

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Hitachi DFC306 is an electrically controlled feedback carburetor, used on A12 engine for Sunny Truck beginning October 1989.

Overview

Model: DFC306-26
Air horn entrance (inside diameter - outside diameter) 54-59 mm
Primary nozzle system (primary) secondary side (secondary)
Zenith Stromberg protruding type
Throttle Bore (mm) 26/30
Venturi (mm) 23/27
Venturi in diameter (inner - outer diameter) (mm) - 13-16
Venturi small diameter (inner - outer diameter) (mm) 8-16 7-10
Nozzle diameter (inner diameter - outside diameter) (mm) 2.1-3.0 2.8-4.0
92 main jet size 120 (# engraved)
Diameter 43 80 slow jet (# engraved)
Economizer diameter bleed 95 140 (# engraved)
90 main jet diameter correction (# engraved) -
Slow diameter air bleed correction for 230 (# engraved) -
Main air bleed size 70 60 (# engraved)
155 slow air bleed size 80 (# engraved)
All 閉角 degree throttle valve 9 20 (degrees)
Float chamber fuel pressure (kg/cm2) 0.24
Float level standard (from the top of the float chamber) (mm) 21
Idle port (mm) 1.6
Opening fast idle (dimension G) 1.35 (0.84) (degrees)
Auto choke choke system
Two-stage diaphragm complete explosion
爆開 complete degree automatic choke at low temperatures 
* (dimension R) 25 (1.66) (degrees)
At high temperatures 33 (2.48) (degrees)
Choke set temperature (℃) 16