4. Operation
4.4.2 Coolant
IMPORTANT1o------------1
Quality of coolant and antifreeze
• Use soft water of good quality such as tap water for coolant.
• 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.
• When the unit is used in a cold region and possible freezing is expected, it is recommended to use LLC
(Antifreeze) for the coolant.
• Adjust mixing ratio of LLC with water according to the temperature.
• Use LLC within the range of its mixing ratio between 35 and 60%.
• If LLC in the water exceeds more than 60%, it may decrease its antifreezing effect.
{Upon delivery from the works, LLC density is 55%)
• Follow the designated regulations to dispose of LLC (Antifreeze).
4.4.3 Fuel
IMPORTANTi---------------11
Choose appropriate fuel
• Do not use such diesel fuel having higher sulfur content above 0.0010%(10 ppm)
• Use ultra-low sulfur diesel fuel only for diesel engine.
• Follow the designated regulations to dispose of fuel.
AcAUTION
1----------------
• Fuel for diesel engine must have the following specific characteristics.
• It must be free from even minute dust particles in it.
• It must have optimum viscosity.
• It must have high cetane number.
• It must have high fluidity even at low temperature.
• Carbon residue content in fuel must be a little.
4-10
BTW Equipment Supply LLC dba Airman Arizona • www.btwequipmentsupply.com www.airmanarizona.com
SDG45S-8E1
Instruction Manual
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