Kohler COMMAND20=25HP User Manual download pdf (Page 5)

LPG Engines

LPG Fuel Recommendations

Liquefied Petroleum Gas (LPG) from an appropriate LP

fuel tank (supplied separately) is required to operate

this engine.

WARNING: Pressurized LPG!

Fuel tanks are filled under pressure and should be

handled with care. To prevent tank damage which could

endanger the safety of the operator or persons in the

area, do not drop or drag tanks on any surface. Use a

hand truck when moving, or tilt the tank on its footring in

a position slightly off vertical and roll it.

Avoid personal contact with LPG fuel to prevent

frostbite. See a physician if frostbite occurs.

WARNING: Explosive Fuel!

LPG is extremely flammable, is heavier than air and

tends to settle in low areas where a spark or flame

could ignite the gas.

not start or operate this engine

in a poorly ventilated area where leaking gas could

accumulate and endanger the safety of persons in the

area.

LPG fuel consists primarily of propane, although the fuel

supplier may sometimes mix other gases with propane.

Fuel tanks must be filled only by persons qualified in the

handling of LPG. Tanks are filled by weight and should

not be overfilled (never to more than

percent of total

capacity). An air space must be present in the tank to

allow fuel to expand.

Tanks must be removed from equipment before filling.

Dual-Fuel Engines

Dual-fuel engines are designed to operate on either

LPG or gasoline. For LPG operation, the above

information and warnings apply. For gasoline operation,

the following information and warnings apply.

Fuel Recommendations

WARNING: Explosive Fuel!

Gasoline is extremely flammable and its vapors can

explode if ignited. Store gasoline only in approved

containers, in well ventilated, unoccupied buildings,

a way from sparks or flames.

not fill the fuel tank

while the engine is hot or running, since spilled fuel

could ignite if it comes in contact with hot parts or

sparks from ignition.

not start the engine near

spilled fuel. Never use gasoline as a cleaning agent.

General Recommendations

Purchase gasoline in small quantities and store in

clean, approved containers.

container with a capacity

of 2 gallons or less with a pouring spout is

recommended. Such a container is easier to handle

and helps eliminate spillage during refueling.

Do not use gasoline left over from previous season,

to minimize gum deposits in your fuel system and to

insure easy starting.

Do not add oil to the gasoline.

Do not overfill the fuel tank. Leave room for the fuel to

expand.

Fuel Type

For best results, use only clean, fresh,

unleaded

gasoline with a pump sticker octane rating of

higher. In countries using the Research method, it

should be

octane minimum.

Unleaded gasoline is recommended as it leaves less

combustion chamber deposits. Leaded gasoline may be

used in areas where unleaded is not available and

exhaust emissions are not regulated. Be aware

however, that the cylinder heads may require more

frequent se nice.

Gasoline/Alcohol blends

Gasohol (up to

10%

ethyl alcohol,

90%

unleaded

gasoline by volume) is approved as a fuel for Kohler

engines. Other gasoline/alcohol blends are not

approved.

Gasoline/Ether blends

Methyl Tertiary Butyl Ether (MTBE) and unleaded

gasoline blends (up to a maximum of

15%

MTBE by

volume) are approved as a fuel for Kohler engines.

Other gasoline/ether blends are not approved.

Model Designation

Model CH20S for example: C designates Command

engine,

designates horizontal crankshaft, and 20

designates horsepower.

letter suffix designates a

specific version as follows:

Suffix Designates

S Electric Start

1 2 3 4 5 6 7 8 9 10 ... 19 20

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Kohler COMMAND20=25HP User Manual Page 5

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