Kohler LH630-775 Service Manual page 7

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.
Periodic Maintenance
WARNING: Accidental Starts!
Disabling engine. Accidental starting can cause severe injury 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 required maintenance procedures should be performed at the frequency stated in the table. They should
also be included as part of any seasonal tune-up.
Frequency
Maintenance Required
• Fill fuel tank.
• Check oil level.
Daily or Before • Check coolant level.
Starting Engine • Check air cleaner for dirty
• Check the screen, radiator, and cooling areas, clean as necessary
Every 100 Hours • Clean and check cooling areas
• Change oil and oil filter (more frequently under severe conditions).
Annually or
• Check spark plug condition and gap.
Every 200 Hours
• Change fuel filter (carbureted models).
Every 250 Hours
• Replace air cleaner element and check inner element
Annually or
• Replace spark plugs.
Every 500 Hours
Every 2 Years or
• Change engine coolant.
Every 1000 Hours
• Replace fuel filter
Every 1500 Hours
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Perform these maintenance procedures more frequently under extremely dusty, dirty conditions.
Safety and General Information
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.
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, Loose, or damaged parts.
1 .
1
(EFI engines).
Section 1
Refer to:
Section 5
Section 6
Section 7
Section 4
1
. Section 7
Section 7
Section 6
Section 5
Section 8
1
. Section 4
Section 8
Section 7
Section 5B
1
1.5