COLD WEATHER OPERATION OPERATION
3-108
COLD WEATHER OPERATION 3
PRECAUTIONS FOR LOW TEMPERATURE 3
If the temperature becomes low, it becomes difficult to start the engine, and the coolant may freeze, so do as fol-
lows.
FUEL AND LUBRICANTS
Change to oil with low viscosity for all components. For details of the specified visicosity, see “RECOMMENDED
FUEL, COOLANT, AND LUBRICANT (4-12)“.
COOLANT
WARNING
q Antifreeze is toxic. Be careful not to get it into your eyes or on your skin. If it should get into your
eyes or on your skin, wash it off with large amounts of fresh water and see a doctor at once.
q When changing the coolant or when handling coolant containing antifreeze that has been drained
when repairing the radiator, please contact your Komatsu distributor or request a specialist company
to carry out the operation. Antifreeze is toxic. Do not let it flow into drainage ditches or spray it onto
the ground surface.
q Antifreeze is flammable. Do not bring any flame close. Do not smoke when handling antifreeze.
NOTICE
q Use Komatsu Supercoolant wherever available, or use permanent type antifreeze coolant.
q Never use methanol, ethanol, or propanol-based antifreeze.
q Do not use any water leakage prevention agent, either alone, or in combination with antifreeze.
q Do not mix one brand of antifreeze with a different brand.
For details on the amount of antifreeze mixture and on when to change the coolant, see “CLEAN INSIDE OF
COOLING SYSTEM (4-24)“.
BATTERY
WARNING
q The battery generates flammable gas. Do not bring fire or sparks near the battery.
q Battery electrolyte is dangerous. If it gets in your eyes or on your skin, wash it off with a large amount
of water and consult a doctor.
q Battery electrolyte dissolves paint. If it gets on the bodywork, wash it off immediately with water.
q If the battery electrolyte is frozen, do not charge the battery or start the engine with a different power
source. There is danger that the battery may explode.
q Battery electrolyte is toxic. Do not let it flow into drainage ditches or spray it on to the ground surface.
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