HITACHI DCG 306, DCH 306, DCJ 306 & DCP 306 2 Barrel: Overhaul: Reassembly

Reverse disassembly procedure and note the following: Check each link system for smooth operation. Adjust float and linkage as required.

CARBURETOR ADJUSTMENT SPECIFICATIONS

Application

Idle Speed (Engine RPM)

Float Level Setting In. (mm)

Float Drop Setting In. (mm)

Choke Linkage In. (mm)

Secondary Throttle In. (mm)

Unloader Setting In. (mm)

Vacuum Break In. (mm)

Hot

Fast

Datsun

210

700⁽¹⁾

⁽²⁾

.59 (15)

.051-.067 (1.3-1.7)

.....

.218-.240 (5.53-6.12)

.093 (2.36)

.071-.078 (1.80-1.98)

310

750

2400-3200⁽³⁾

.59 (15)

.051-.067 (1.3-1.7)

.....

.218-.240 (5.53-6.12)

.093 (2.36)

.071-.078 (1.80-1.98)

Mazda GLC

650-750

3000-4000

.43 (11)

.051-.067 (1.3-1.7)

.....

.240 (6.12)

.09 (2.28)

.05 (1.3)

Subaru

850-950⁽⁴⁾

.....

.41 (10.5)

.051-.067 (1.3-1.7)

.....

.240 (6.12)

.04 (1.11)

.067 (1.7)

(1) - Auto. Trans, in DRIVE.

⁽¹⁾	Auto. Trans. 650 RPM.

⁽²⁾	Fast idle on second step of cam as follows: 1237 cc & 1397 cc Federal - 2400-3200 RPM, Calif. - 2300-3100 RPM; 1488 cc Federal - 2700-3500 RPM, Calif. - 2600-3400 RPM.

⁽³⁾	Calif. Models - 2300-3100 RPM.

⁽⁴⁾	Hatchback, Sedan and Hardtop - 750-850 RPM.