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エンジン Kohler Command PRO CH640のPDF オーナーズマニュアルをオンラインで閲覧またはダウンロードできます。Kohler Command PRO CH640 21 ページ。 Liquefi ed petroleum gas (lpg) or lpg/natural gas (ng) fueled
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NOTE: Do not clean the spark plugs in a machine

using abrasive grit. Some grit could remain in

the spark plug and enter the engine causing

extensive wear and damage.

3. Check the gap using a wire feeler gauge. Adjust

the gap according to the chart by carefully

bending the ground electrode. See Figure 10.

Wire Gauge

Spark Plug

Ground

Electrode

Figure 10. Servicing Spark Plug.

4. Reinstall the spark plug into the cylinder

head. Torque the spark plug to 24.4-29.8 N·m

(18-22 ft . lb.).

Battery Charging

WARNING: Explosive Gas!

Batt eries produce explosive hydrogen gas while being

charged. To prevent a ﬁ re or explosion, charge batt eries only

in well ventilated areas. Keep sparks, open ﬂ ames, and other

sources of ignition away from the batt ery at all times. Keep

batt eries out of the reach of children. Remove all jewelry

when servicing batt eries.

Before disconnecting the negative (-) ground cable, make

sure all switches are OFF. If ON, a spark will occur at the

ground cable terminal which could cause an explosion if

hydrogen gas or LPG/NG fuel vapors are present.

Charging of batt ery should be performed as outlined

by the original equipment manufacturer (OEM) in

their operator's manual.

Fuel Filter

The ﬁ lter of the LPG/NG fuel system is an integral

part within the lock-oﬀ /ﬁ lter assembly. All service

relating to the lock-oﬀ /ﬁ lter is to be performed by an

authorized Kohler Engine Service Dealer or qualiﬁ ed

LPG personnel only. Servicing of ﬁ lter is recommended

every 500 hours.

Fuel Line

These engines use low permeation rated fuel lines,

certiﬁ ed to comply with California and U.S. EPA

evaporative emission requirements. Fuel lines that do

not meet these requirements may not be used. Order

replacement hose through a Kohler Service Center.

Carburetor Troubleshooting and

Adjustments

In compliance with government emission standards,

the carburetor and the regulator are calibrated and

preset to deliver the correct fuel-to-air mixture to the

engine under all operating conditions and cannot

be adjusted, except for low idle speed. Carburetor

servicing is to be performed by an authorized Kohler

Engine Service Dealer only. See Figure 11.

Gap

Figure 11.

LPG Regulator

In compliance with government emission standards,

the regulator is preset at the factory to provide the

proper supply of fuel. No adjustment or resett ing

of regulator is to be made. All service relating to the

regulator must be performed by an authorized Kohler

Engine Service Dealer or qualiﬁ ed LPG personnel

only.

Over time, fuel deposits can accumulate inside the

regulator. Removing these deposits is recommended

(Nikki regulators only) every 500 operating hours, or

annually, whichever comes ﬁ rst.

Nikki Regulators

Every 500 hours/annually drain regulator:

1. Turn fuel supply valve oﬀ , run engine out of fuel,

and turn oﬀ ignition switch.

2. Disconnect and ground the spark plug leads.

3. Remove the 1/8" pipe plug from the bott om of

regulator. Remove any accumulated deposits. See

Figure 12.

Low Idle

Speed

Adjusting

Screw