After Cold Weather - Komatsu PW130ES-6K Operation & Maintenance Manual

COLD WEATHER OPERATION
As the battery capacity drops markedly in low temperatures,
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cover the battery or remove it from the machine, keep it in a
warm place, and install it again the next morning.
If electrolyte level is found low, add distilled water in the morn-
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ing before beginning work. Do not add the water after the
day's work so as to prevent fluid in the battery from freezing in
the night.

AFTER COLD WEATHER

When season changes and the weather becomes warmer, do as
follows.
Replace the fuel and oil for all parts with oil of the viscosity
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specified.
For details, see "USE FUEL, COOLANT AND LUBRI-
CANTS ACCORDING TO AMBIENT TEMPERATURE" on
page 173.
If for any reason permanent antifreeze cannot be used, and
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an ethyl glycol base antifreeze (winter, one season type) is
used instead, or if no antifreeze is used, drain the cooling sys-
tem completely, then clean out the inside of the cooling sys-
tem thoroughly, and fill with fresh water.
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OPERATION