Komatsu D155A-6 Operation & Maintenance Manual page 297

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SERVICE PROCEDURE
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. 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.
2. If the electrolyte level is below the midway point between the
UPPER LEVEL (U.L.) and LOWER LEVEL (L.L.) lines, remove
cap (2) and add purified water (e.g. commercially available
replenishment water for a battery) to the U.L. line.
3. After adding distilled water, tighten cap (2) securely.
REMARK
If distilled water is added to above the U.L. line, use a syringe to
lower the level to the 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.
4 - 60
MAINTENANCE

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