3.Operation
3-3
3.2.3
Coolant
Coolant freezing could cause cracks of cylinder and radiator. Be sure to always use mixture of LLC
(antifreezing solution) and soft water like
good quality tap water.
When water with dirt, sand, and/or dust contained, or hard water such as well water
(ground water) is used, this will cause deposits inside radiator or on cylinder head,
and will cause engine overheat due to poor flow of coolant.
Adjust mixing ratio of LLC (Antifreeze) with water according to the temperature.
(When the machine is delivered from factory, it is filled with the oil of density
55%
)
Use LLC (Antifreeze) within the range of its mixing ratio between 30 and 60%.
(If LLC (Antifreeze) in the water exceeds more than 60%, it may decrease its
antifreezing effect.)
Mixing ratio of LLC (antifreeze) (reference)
Outside
temperature
(°F) 5 -4 -13 -22 -31 -40 -49
Outside temperature (
℃
)
-15 -20 -25 -30 -35 -40 -45
Mixing ratio (%)
30 35 40 45 50 55 60
Use coolant that conforms to SAE J814/SAE J1034/ASTEM D3306.
Follow the designated regulations to dispose of LLC (Antifreeze).
3.2.4
Fuel
Never use fuel with sulfur content greater 0.0015%(15ppm)
Use only ultra-low sulfur fuel.
Use such diesel fuel which conforms to either standard EN590 or ASTM D975.
Use only clean diesel fuel. Never mix fuel with kerosene or other additives.
Dispose of fuel in accordance with all applicable regulations.
Diesel fuel is required to meet the following conditions.
Free from even minute dust particles.
High optimum viscosity.
High cetane number.(45 or more)
High fluidity even at low temperature.
Low carbon residue content.
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