Komatsu PC290LC-6K Operation & Maintenance Manual page 50

Hydraulic excavator
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11. EXPLANATION OF COMPONENTS
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11.1.1 A: BASIC CHECK ITEMS
NOTICE
Do not rely on the "BASIC CHECK ITEMS" only for the check
before starting
Always refer to the periodic maintenance items or 12. "OPERA-
TION" to carry out the checks.
1.
RADIATOR WATER LEVEL
This warns that the radiator cooling water level is too low. If the moni-
tor lamp flashes, check the cooling water level in the radiator and reserve
tank, and add water.
2.
ENGINE OIL LEVEL
This warns that the oil level in the engine oil pan is too low. If the
monitor lamp flashes, check the oil level in the engine oil pan, and add oil.
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