Komatsu PC15MRX-1 Operation And Maintenance Manual page 167

MAINTENANCE
1. Remove floor mat (1) and cover (2).
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 cover at the right side of the machine.
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 U.L and 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 U.L line, use a pipette 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.
MAINTENANCE PROCEDURE
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