Kohler KD425-2 - Manual (Page 43)

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DIESEL FUEL
FUEL RECOMMENDATIONS
Purchase diesel fuel in small quantities and store in clean, approved containers. Clean fuel prevents the diesel fuel injectors and pumps from clogging. Do not overfill the fuel tank.
Leave room for the fuel to expand. Immediately clean up any spillage during refueling.
Never store diesel fuel in galvanized containers; diesel fuel and the galvanized coating react chemically to each other, producing flaking that quickly clogs filters or causes fuel pump or
injector failure.
High sulfur content in fuel may cause engine wear. In those countries where diesel has a high sulfur content, it is advisable to lubricate the engine with a high alkaline oil or alternatively
to replace the lubricating oil recommended by the manufacturer more frequently. The regions in which diesel normally has a low sulfur content are Europe, North America, and Australia.
FUEL TYPE
For best results, use only clean, fresh, commercial-grade diesel fuel. Diesel fuels that satisfy the following specifications are suitable for use in this engine: ASTM D-975 - 1D or 2D,
EN590, or equivalent.
FUELS FOR LOW TEMPERATURES
It is possible to run the engine at temperatures below 0°C using special winter fuels. These fuels reduce the formation of paraffin in diesel at low temperatures. If paraffin forms in the
diesel, the fuel filter becomes blocked interrupting the flow of fuel.
Fuel can be: Summer up to .......... 0°C (32°F)
Winter up to .......... -10°C (14°F)
Alpine up to ...........-20°C (-4°F)
Arctic up to .........-30°C (-22°F)
BIODIESEL FUEL
Fuels containing less than 20% methyl ester or B20 are suitable for use in this engine. Biodiesel fuels meeting the specification of
BQ-9000, EN 14214 or equivalent are recommended. DO NOT use vegetable oil as a biofuel for this engine. Any failures resulting
from the use of fuels other than recommended will not be warranted.
AVIATION FUEL
Aviation fuels suitable for use in this engine include JP5, JP4, JP8 and, JET-A (if 5% oil is added).
EMISSION CONTROL
INFORMATION
LOW SULFUR FUEL OR
ULTRA LOW SULFUR FUEL ONLY
EPA/CARB emission label must be attached
near the fuel inlet.
API CF
RECOMMENDED LUBRICANT
API CF4 - CG4
Fuel With High Sulphur Content
Fuel With Low Sulphur Content