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[Datsun 1200 encyclopedia]

DFC306

(Difference between revisions)

Datsun 1200 encyclopedia | Recent changes | Switch to MediaWiki mode

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Categories: Fuel System | Hitachi 306 Carburetor

Revision as of 21:00, 5 May 2015
ddgonzal (Talk | contribs)

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Revision as of 03:10, 16 February 2016
ddgonzal (Talk | contribs)

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= Overview = = Overview =
 +DFC306 is the carburetor on 1989-1994 JDM A12 engines. It requires a special water heated [[Intake Manifold]].
 +
 +[http://datsun1200.com/modules/myalbum/photo.php?lid=10186 http://datsun1200.com/uploads/thumbs/10186.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=10187 http://datsun1200.com/uploads/thumbs/10187.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=10188 http://datsun1200.com/uploads/thumbs/10188.jpg] [http://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%201200/wiki/14001-95W00-2.jpg http://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%201200/wiki/th_14001-95W00-2.jpg]
 +
 += ECU =
 +Factory Nissan 1200 ECU controls the electronic feedback carb via input from O2 sensor.
 +
 +[http://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%201200/wiki/22604-95W00-1.jpg http://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%201200/wiki/th_22604-95W00-1.jpg] [http://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%201200/wiki/22604-95W00-2.jpg http://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%201200/wiki/th_22604-95W00-2.jpg] [http://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%201200/wiki/22604-95W00-3.jpg http://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%201200/wiki/th_22604-95W00-3.jpg] [http://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%201200/wiki/22604-95W00-4.jpg http://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%201200/wiki/th_22604-95W00-4.jpg] [http://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%201200/wiki/22604-95W00-5.jpg http://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%201200/wiki/th_22604-95W00-5.jpg]
 +
 + 22604-95W00
 + FBM-N13
 + <4-digit serial number>
 +
 += ECU Control =
 +ECU takes input signals from engine including water temp and O2 sensor and adjust the air/fuel mixture via the carburetor solenoid.
 +
 +[http://i297.photobucket.com/albums/mm219/ddgonzal/sightings/forum/manifold-late.jpg http://i297.photobucket.com/albums/mm219/ddgonzal/sightings/forum/manifold-late.jpg]
 +
 +Carburetor electrical connector includes the automatic choke wire and Feedback Solenoid wires
 +<br>[http://i297.photobucket.com/albums/mm219/ddgonzal/sightings/forum/carburetor-late.jpg http://i297.photobucket.com/albums/mm219/ddgonzal/sightings/forum/carburetor-late.jpg]
 +
 += Specifications =
Model: DFC306-26 Model: DFC306-26
Air horn entrance (inside diameter - outside diameter) 54-59 mm Air horn entrance (inside diameter - outside diameter) 54-59 mm
Line 29: Line 51:
At high temperatures 33 (2.48) (degrees) At high temperatures 33 (2.48) (degrees)
Choke set temperature (&#8451;) 16 Choke set temperature (&#8451;) 16
 +
 += Manifold =
 +Water-heated carburetor requires a special manifold.
 +
 +1989-up [[Intake_Manifold#Late_Sunny_Truck|Datsun 1200 manifold]] with extended-length carb flange
 +<br>[http://datsun1200.com/modules/myalbum/photo.php?lid=7887 http://datsun1200.com/modules/myalbum/photos/7887.jpg]
 +
 += Applications =
 +
 + DFP306-5
 +
 + DFC306-3 16010-11M07 Nissan B11 Sunny E15S.MT-(GL,LT).F5 8410-8412
 + DFC306-3A 16010-11M08 Nissan B11 Sunny E15S.MT-(GL,LT).F5 8412-
 + DFC306-4 16010-12M07 Nissan N12 Pulsar E15S.AT 8403-8412, B11 E15S.AT 8410-8412
 + DFC306-4A [http://nissan.epc-data.com/pulsar_langley_liberta_villa/hn12/3198-5hb/engine/C1601/16010 16010-12M08] Nissan N12 Pulsar E15S.AT 8412-8604, B11 E15S.AT 8412-
 + DFC306-4B 16010-12M09 Nissan N12 Pulsar E15S.AT 8604-
 + DFC306-46 16010-19B00 Nissan K10 Micra K10 MA12S (MT.F5)
= Vanette = = Vanette =

Revision as of 03:10, 16 February 2016

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

Contents

Overview

DFC306 is the carburetor on 1989-1994 JDM A12 engines. It requires a special water heated Intake Manifold.

10186.jpg 10187.jpg 10188.jpg th_14001-95W00-2.jpg

ECU

Factory Nissan 1200 ECU controls the electronic feedback carb via input from O2 sensor.

th_22604-95W00-1.jpg th_22604-95W00-2.jpg th_22604-95W00-3.jpg th_22604-95W00-4.jpg th_22604-95W00-5.jpg

22604-95W00
FBM-N13
<4-digit serial number>

ECU Control

ECU takes input signals from engine including water temp and O2 sensor and adjust the air/fuel mixture via the carburetor solenoid.

manifold-late.jpg

Carburetor electrical connector includes the automatic choke wire and Feedback Solenoid wires
carburetor-late.jpg

Specifications

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

Manifold

Water-heated carburetor requires a special manifold.

1989-up Datsun 1200 manifold with extended-length carb flange
7887.jpg

Applications

DFP306-5
DFC306-3  16010-11M07 Nissan B11 Sunny E15S.MT-(GL,LT).F5 8410-8412
DFC306-3A 16010-11M08 Nissan B11 Sunny E15S.MT-(GL,LT).F5 8412-
DFC306-4  16010-12M07 Nissan N12 Pulsar E15S.AT 8403-8412, B11 E15S.AT 8410-8412
DFC306-4A 16010-12M08 Nissan N12 Pulsar E15S.AT 8412-8604, B11 E15S.AT 8412-
DFC306-4B 16010-12M09 Nissan N12 Pulsar E15S.AT 8604-
DFC306-46 16010-19B00 Nissan K10 Micra K10 MA12S (MT.F5)

Vanette

C22 Vanette used a feedback carburetor.

th_a15_C22-a.jpg th_a15_c22-b.jpg th_a15_C22-c.jpg