Yanmar 4JH4E - Fuel Oil, Lubricating Oil and Coolant; Fuel Oil

1. General
10
1.3 Fuel oil, lubricating oil and
coolant
1.3.1 Fuel oil
IMPORTANT:
Only use the recommended fuel to obtain the
best engine performance and to keep the
durability of the engine, also to comply with the
emission regulations.
(1) Selection of fuel oil
Diesel fuel oil should comply with the following
specifications.
• The fuel specifications need to comply with
each national standard or international
standards.
• ASTM D975 No.1-D
No.2-D ...... for USA
• EN590: 96 ..................... for EU
• ISO 8217 DMX .............. International
• BS 2869-A1 or A2 ......... for UK
• JIS K2204....................... for JAPAN
The following requirements also need to be
fulfilled.
• Cetane number should be equal to 45 or
higher.
• Sulphur content of the fuel.
It should not exceed 0.5% by volume.
(Preferably it should be below 0.05%)
• Water and sediment in the fuel oil should not
exceed 0.05% by volume.
• Ash should not exceed 0.01% by mass.
• 10% carbon residue content of the fuel.
It should not exceed 0.35% by volume.
(Preferably it should be below 0.1%)
• Aromatics (total) content of the fuel.
It should not exceed 35% by volume.
(Preferably it should be below 30% and
aromatics (PAH*) content of the fuel
preferably it should be below 10%)
PAH*: Polycyclic aromatic hydrocarbons.
• DO NOT use Biocide.
• DO NOT use Kerosene, residual fuels.