MAINTENANCE SERVICE PROCEDURE
4-49
CHECK LEVEL OF BATTERY ELECTROLYTE 4
Perform this check before operating the machine.
WARNING
q Do not use the battery if the battery electrolyte level is below the LOWER LEVEL line. This will acceler-
ate deterioration of the inside of the battery and reduce the service life of the battery. In addition, it
may cause an explosion.
q The battery generates flammable gas and there is danger of explosion, so 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 When adding distilled water to the battery, do not allow the battery electrolyte to go above the UPPER
LEVEL line. If the electrolyte level is too high, it may leak and cause damage to the paint surface or
corrode other parts.
NOTICE
When adding distilled water in cold weather, add it before starting operations in the morning to prevent
the electrolyte from freezing.
Inspect the battery electrolyte level at least once a month and follow the basic safety procedures given below.
WHEN CHECKING ELECTROLYTE LEVEL FROM SIDE OF BATTERY
If it is possible to check the electrolyte level from the side of the battery, check as follows.
1. Open the battery cover on the left side of the machine body.
2. Use a wet cloth to clean the area around the electrolyte
level lines and check that the electrolyte level is between
the UPPER LEVEL (U.L.) and LOWER LEVEL (L.L.) lines.
If the battery is wiped with a dry cloth, static electricity may
cause a fire or explosion.
3. If the electrolyte level is below the midway point between
the UPPER LEVEL (U.L.) and LOWER LEVEL (L.L.) lines,
remove cap (1) and add distilled water to the U.L. line.
4. After adding distilled water, tighten cap (1) securely.
REMARK
If distilled water is added to above the UPPER LEVEL (U.L.)
line, use a syringe to lower the level to the UPPER LEVEL
(U.L.) line. Neutralize the removed fluid with baking soda
(sodium bicarbonate), then flush it away with a large amount of
water or consult your Komatsu distributor or battery maker.
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