Kohler COMMAND Benutzerhandbuch - Seite 15

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Fuel Line

Carbureted Engines: In compliance with CARB Tier III

Emission Regulations, carbureted engines with a

Family identification number beginning with "6" or

greater (see Figure 18), must use Low Permeation SAE

30 R7 rated fuel line; certified to meet CARB

requirements. Standard fuel line may not be used.

Order replacement hose by part number through a

Kohler Engine Service Dealer.

IMPORTANT ENGINE INFORMATION

THIS ENGINE MEETS U.S. EPA AND CA 2005 AND

LATER AND EC STAGE II (SN:4) EMISSION REGS

FOR SI SMALL OFF–ROAD ENGINES

FAMILY

6 KHXS.XXXXPH

TYPE APP

DISPL. (CC)

MODEL NO.

SPEC. NO.

SERIAL NO.

BUILD DATE

OEM PROD. NO.

EMISSION COMPLIANCE PERIOD:

EPA:

CARB:

CERTIFIED ON:

REFER TO OWNER'S MANUAL FOR HP RATING,

SAFETY, MAINTENANCE AND ADJUSTMENTS

1-800-544-2444 www.kohlerengines.com

KOHLER CO. KOHLER, WISCONSIN USA

Figure 18. Family Number Location.

EFI Engines: A special fuel line, capable of

withstanding the high pressure of the EFI fuel system,

is used (must meet SAE R9 specifications). See Figure

17. If fuel line must be replaced, see your Kohler

Engine Service Dealer.

Carburetor Troubleshooting and

Adjustments

Engines in this series use either a single barrel or two

barrel carburetor depending on model, and may also

be equipped with a Governed Idle System. Specific

adjustment procedure(s) are provided based on the

model and carburetor involved. If the engine is

equipped with a Governed Idle System, refer to

Models with Governed Idle System when performing

any carburetor adjustment, as an additional step to

the listed procedure(s) is required.

NOTE: Carburetor adjustments should be made

only after the engine has warmed up.

The carburetor is designed to deliver the correct

fuel-to-air mixture to the engine under all operating

conditions. The high speed mixture is set at the factory

and cannot be adjusted. The low idle fuel adjusting

needle (if equipped) is also set at the factory and

normally does not need adjustment.

NOTE: To ensure correct engine operation at

N11236

Figure 19. Carburetor CV18-23,CV620-CV730,CV740.

Troubleshooting

If engine troubles are experienced that appear to be

fuel system related, check the following areas before

adjusting the carburetor.

• Make sure the fuel tank is filled with clean, fresh

• Make sure the fuel tank cap vent is not blocked

• If the fuel tank is equipped with a shut-off valve,

• If the engine is equipped with an in-line fuel filter,

altitudes above 1525 meters (5000 ft.), it may

be necessary to have an authorized Kohler

dealer install a special high-altitude jet kit in

the carburetor. If a high-altitude kit has been

installed, the engine must be reconverted to

the original jet size, before it is operated at

lower altitudes, or overheating and engine

damage can result.

Idle Fuel

Adj. Needle

& Spring

gasoline.

and that it is operating properly.

make sure it is open.

make sure it is clean and unobstructed. Replace

the filter if necessary.

Idle Speed

Adj. Screw

& Spring

Fuel Shut-Off

Solenoid

(some engines

equipped with)