Unitor HPC Extreme 520 Specifications download pdf (Page 104)

Maintenance

Fuel system

Only use the grades of fuel recommended in the fuel specification below. Always observe the greatest cleanliness

during re-fueling and work on the fuel system.

All work on the injection system of the engine must be done by an authorized workshop. If the seal on the injec-

tion pump is broken by an unauthorized person, all warranties are void.

WARNING! Fire hazard. Work on the fuel system must be done with the engine cold. Fuel spills on hot sur-

faces or electrical components can cause fires. Store fuel-soaked rags in a fire-proof manner.

Fuel specification

The fuel must comply with national and international

standards for commercially supplied fuels, such as:

EN590 (with nationally adapted environmental and

cold requirements)

ASTM-D 975-No 1-D and 2-D.

JIS KK 2204

Sulfur content: Complying with legal requirements in

each country. If sulfur content exceeds 0.5% by

weight, the oil change intervals must be changed,

please refer to the “Lubrication system” heading.

Extremely low sulfur content fuel (urban diesel in

Sweden and city diesel in Finland) can cause a loss

of up to 5% of power and an increase in fuel con-

sumption of about 2–3 %.

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Unitor HPC Extreme 520 Specifications Page 104