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5

Oil Recommendations

Using the proper type and weight of oil in the crankcase
is extremely important. So is checking oil daily and
changing oil regularly. Failure to use the correct oil, or
using dirty oil, causes premature engine wear and
failure.

Oil Type
Use high quality detergent oil of API (American
Petroleum Institute) service class SG, SH, SJ or
higher
. Select the viscosity based on the air
temperature at the time of operation as shown in the
following table.

Figure 3. Viscosity Grades Table.

NOTE: Using other than service class SG, SH, SJ or

higher oil or extending oil change intervals
longer than recommended can cause engine
damage.

NOTE: Synthetic oils meeting the listed classifications

may be used with oil changes performed at the
recommended intervals. However to allow
piston rings to properly seat, a new or rebuilt
engine should be operated for at least 50
hours using standard petroleum based oil
before switching to synthetic oil.

A logo or symbol on oil containers identifies the API
service class and SAE viscosity grade. See Figure 4.

Refer to “Maintenance Instructions” beginning on
page 8 for detailed oil check, oil change, and oil
filter change procedures.

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,
away from sparks or flames. Do 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. Do 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. A 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 the previous season,
to minimize gum deposits in your fuel system and to
ensure 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 the pump sticker octane rating of 87 or
higher. In countries using the Research method, it
should be 90 octane minimum.

Unleaded gasoline is recommended as it leaves less
combustion chamber deposits and reduces harmful
exhaust emissions. Leaded gasoline is not
recommended and must not be used on EFI engines,
or on other models where exhaust emissions are
regulated.

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 engine. Other
gasoline/ether blends are not approved.

Figure 4. Oil Container Logo.

*Use of synthetic oil having 5W-20 or 5W-30 rating is acceptable,

up to 4°C (40°F).

**Synthetic oils will provide better starting in extreme cold below

23°C (-10°F).

*

**

Summary of Contents for CV17-CV26

Page 1: ...COMMAND SERIES CV17 CV26 CV675 745 OWNER S MANUAL VERTICAL CRANKSHAFT...

Page 2: ...ely hot from operation To prevent severe burns do not touch these areas while the engine is running or immediately after it is turned off Never operate the engine with heat shields or guards removed F...

Page 3: ...en Remove all jewelry when servicing batteries 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...

Page 4: ...Drain Plug Air Intake Screen Blower Housing Fuel Pump Engine Identification Label Figure 1 Typical Command Vertical Shaft Carbureted Engine Oil Fill Dipstick Oil Cooler Ignition Coil Fuel Injector Thr...

Page 5: ...pilled fuel could ignite if it comes in contact with hot parts or sparks from ignition Do not start the engine near spilled fuel Never use gasoline as a cleaning agent General Recommendations Purchase...

Page 6: ...s and external surfaces of engine Make sure they are clean and unobstructed Check that the air cleaner components and all shrouds equipment covers and guards are in place and securely fastened Check t...

Page 7: ...turn the engine over shut off starter immediately Do not make further attempts to start the engine until the condition is corrected Do not jump start using another battery refer to Battery See your K...

Page 8: ...jury or death Before working on the engine or equipment disable the engine as follows 1 Disconnect the spark plug lead s 2 Disconnect negative battery cable from battery Maintenance Schedule These req...

Page 9: ...ry will either shut off the engine or activate a warning signal depending on the application NOTE Make sure the oil level is checked BEFORE EACH USE and is maintained up to the FULL mark on the dipsti...

Page 10: ...s Figure 8 Oil Drain Plugs and Oil Filter Service Oil Cooler Some engines are equipped with an oil cooler One style of oil cooler mounts on the engine crankcase and has the oil filter on it see Figure...

Page 11: ...l of the proper type to the FULL mark on the dipstick 9 Test run the engine to check for leaks Stop the engine allow a minute for the oil to drain down and recheck the level on the dipstick Make sure...

Page 12: ...he element to prevent debris from getting in the engine when element is removed 3 Remove the element cover wing nut element cover and paper element with precleaner Separate the precleaner from the ele...

Page 13: ...ealing surfaces are bent or damaged 5 Check all parts for wear cracks or damage Replace any damaged components Main Element Inner Element Figure 15 Heavy Duty Air Cleaner Assembly Clean Air Intake Coo...

Page 14: ...dirty conditions When replacement is necessary always use genuine Kohler parts Figure 16 Servicing Spark Plug Battery Charging WARNING Explosive Gas Batteries produce explosive hydrogen gas while bei...

Page 15: ...th a shut off valve make sure it is open If the engine is equipped with an in line fuel filter make sure it is clean and unobstructed Replace the filter if necessary Make sure fuel is reaching the car...

Page 16: ...roughly or stalls at low idle speed initial checks should be made in the following areas Make sure the fuel tank is filled with clean fresh gasoline and shut off valve if so equipped is opened comple...

Page 17: ...system Fill the fuel tank with clean fresh gasoline Run the engine for 2 3 minutes to get stabilized fuel into the carburetor Close fuel shut off valve when unit is being stored or transported To emp...

Page 18: ...airs by others and failure to provide reasonable and necessary maintenance The following items are not covered by this warranty Engine accessories such as fuel tanks clutches transmissions power drive...

Page 19: ...For warranty repairs the engine must be presented to a Kohler Co service center as soon as a problem exists Call 1 800 544 2444 or access our website at www kohlerengines com for the names of the near...

Page 20: ...d maintenance of the engine Kohler Co recommends that all receipts and records covering the performance of regular maintenance be retained in case questions arise If the engine is resold during the wa...

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