Yanmar 3HM User Manual download pdf (Page 18)

V. Fuel and lubricating oil

[5-1.] Selection and handling of fuel oil

1) Choice of fuel oil Fuel oils available in countries other than those listed above

which are to equipment specification may be used. Use the chart at below to

determine correct grade of fuel.

United States ASTM/D975 No.1-D or No.2-D diesel oil

United Kingdom BS2869 Class A 1 or Class A 2

Air temperature Diesel/fuel (ASTM/D975)

Below 5°C (40°F) 1-D

Above 5°C (40°F) 2-D

1-a)

As further insurance of satisfactory operation, use fuel having less than 0.5% sulphur.

1-b)

For maximum filter life, sediment and water should not exceed 0.1 %.

1-c)

To maintain proper fuel delivery during cold weather operation, use grade No.1-D diesel fuel

as defined in ASTM Designation D975 with a pour point at least 5.6°C (10°F) below the

lowest outside air temperature.

1-d)

The cetane number should be 40 minimum.

Low atmospheric temperature, as well as high altitude operation, may require use of a fuel

with a higher cetane number.

2) Storing fuel Proper fuel storage is vitally important. Keep all dirt, water and other con-

taminants out of fuel. Avoid storing fuel over long periods of time. Store fuel in a convenient

place away from buildings.

Important

Presence of water or dust in the fuel may cause failure of the engine and

early wear of the fuel injection equipment. Water and dust in the fuel

tank should be removed and clean fuel used.

3) After each day's operation.

Fill fuel tank at the end of each day's operation. This prevents condensation in fuel tank as moist

air cools.

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Yanmar 3HM User Manual Page 18