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Fuel system
Only use the grades of fuel recommended in the fuel specification below. Always observe the greatest cleanli-
ness 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 in-
jection 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 %.
Fuel filter. Change
Cleanliness! No dirt must be allowed to get into the
fuel system.
WARNING! Fuel filters must be changed when
the engine is cold, to avoid the risk of fire due to
spilled fuel on hot surfaces.
Remove the filters. Wipe a film of oil on the gaskets of
the new filters. Screw the filters on by hand until the
gaskets just touch the mating surface. Then tighten
a further half turn, no more. Vent the fuel system.
Hand old filters in to an authorized waste pro-
cessing facility for destruction.
Start the engine and make sure that no leakage oc-
curs.
Maintenance
29
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