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MAINTENANCE PROCEDURES
REMARK
q Do not add distilled water or electrolyte beyond the level
indicated, as this would reduce the battery service life and
electrolyte leakage could result.
q If the distilled water added goes over the MAXIMUM
reference mark, take out excess electrolyte with a small
pump and neutralise it with sodium bicarbonate, then rinse
out with abundant running water or consult the Komatsu
distributor or the battery manufacturer.
When the level of electrolyte cannot be checked on the side of the battery
If electrolyte level cannot be checked on the battery side, or if the MAXIMUM level is not indicated, check following
the steps below.
1. Make sure that the battery main switch is turned to OFF.
2. Open the tank compartment, see "TANK COVER (3-34)",
and remove the vinyl protection placed on the battery.
3. Remove the plug (1) of the battery, look through the filler
opening (2) and check the electrolyte surface. If the
electrolyte does not reach the sleeve (3), add distilled
water until the level is at the sleeve bottom (MAXIMUM
reference mark).
q (A)Correct level: The electrolyte level reaches the
sleeve bottom, so the tension lifts the surface and the
plate seems to be deformed.
q (B) Level too low: The electrolyte level does not reach
the sleeve bottom, so the plate seems normal.
4. After topping up, screw in the plug (1).
REMARK
q Do not add distilled water or electrolyte beyond the level indicated, as this would reduce the battery service life
and electrolyte leakage could result.
q If the distilled water added goes over the MAXIMUM reference mark, take out excess electrolyte with a small
pump and neutralise it with sodium bicarbonate, then rinse out with abundant running water or consult the
Komatsu distributor or the battery manufacturer.
4-28
WEAM014500
MAINTENANCE
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