Komatsu PC290LC-11 Operation & Maintenance Manual page 329

Hydraulic excavator

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COLD WEATHER OPERATION

Replace the fuel and oil for all equipment with the ones of the specified viscosity. For details, see "RECOM-

MENDED FUEL, COOLANT, AND LUBRICANT (7-5)".

If the machine is parked for long time in the cold weather condition, quality of DEF may be affected by repeated

freeze, ask your Komatsu distributor to inspect.

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