5-5
MAINTENANCE
SERVICE DATA
Fuel tank Diesel fuel
To maintain the performance and service life of the engine,
always use clean and high-quality fuel.
• To avoid freezing in cold climates, use a diesel fuel that still
functions when the temperature is at least 12°C (53.6°F) below
the lowest expected ambient temperature.
• Use a diesel fuel that has a cetane number of 45 or higher.
When operating at a very low temperature or at a high altitude,
a higher cetane number fuel will be required.
• Use fuel with sulfur content of less than 15 ppm by volume.
Especially in the U.S.A. and Canada, ultra-low sulfur fuel
should be used.
A higher sulfur content fuel may cause sulfuric acid corrosion
in the cylinders of the engines.
• Never mix kerosene, used engine oil, or residual fuel with the
diesel fuel. Use of kerosene is prohibited.
• Poor quality fuel can reduce engine performance and / or
cause engine damage.
• Fuel additives are not recommended. Some fuel additives may
cause poor engine performance.
• The content of metal, such as zinc, sodium, magnesium,
silicon and aluminum, must be 1 mass ppm or less. (JPI-
5S-44-95 test analysis method)
Precautions when using bio-diesel fuel
The warranty of the engine manufacturer may be voided by
using a bio-diesel fuel that does not meet the standard or that is
deteriorated.
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