Onan CCK Service Manual

Carburetor Assembly
(Gasoline and Gas-Gasoline Only)
1. Install throttle shaft and plate, using new screws
and lockwashers. Install with bevel mated to the
carburetor body. On plates marked with the letter
C, install with the mark on the side toward the idle
port when viewed from the flange end of the car¬
buretor. To center plate, back off stop screw,
close throttle lever and seat plate by tapping it
with a small screwdriver. Then tighten the two
screws.
2. Install choke shaft and plate. Center plate in same
manner as the throttle plate (Step 1). Use new
screws and lockwashers.
3. Install fuel inlet valve seat and valve.
4. Install float, float pin and float spring (begin Spec
H). Center pin so float bowl does not ride against
it.
5. Check float level with the carburetor casting
inverted. See Figure 18
6. Install main and idle mixture screw assemblies.
Turn in screws until lightly seated and then out
the number of turns specified in Table 1.
Forcing the mixture adjustment
screws tight will damage the
needle and seat. Turn in only until light tension Is
ML
7. Install choke assembly.
THIS DIMENSION SHOULD BE
5/16 INCH (7.9 MM) WITH METAL
FLOAT OR 1/4 INCH (6.3 MM) WITH
STYROFOAM (PLASTIC) FLOAT.
CCK/CCKA
**I 3 f 32 * 4 8 MM ) CCKB Begin Spec H
FIGURE 18. CHECKING FLOAT LEVEL
25

Onan CCK Specifications

General

Cylinders	2
Ignition System	Battery ignition
Fuel Type	Gasoline
Cooling System	Air-cooled
Fuel System	Carburetor
Starter	Electric
Governor	Mechanical
Max RPM	1800 RPM
Engine Type	4-cycle
Bore and Stroke	3.25 x 3.625 inches (82.55 x 92.08 mm)