![](../../../img/54/AC102027AE00ENG.png)
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1.
caution |
- If the battery is used with the
electrolyte level below the LOWER LEVEL
indicator, there is the danger that
explosions may occur, so add water to
the battery until the electrolyte level
is between the LOWER LEVEL and UPPER
LEVEL indications.
- If too much water is added to make the
level rise above the UPPER LEVEL
indication, the electrolyte may leak
out, so adjust so that the electrolyte
level is between the LOWER LEVEL and
UPPER LEVEL indications.
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Check that the battery electrolyte level is between
the UPPER LEVEL and LOWER LEVEL indications. 2.Use
a specific gravity meter and a thermometer to measure the
specific gravity. Standard value: 1.220 -
1.290 (electrolyte temperature 20°C) The
specific gravity of the battery electrolyte changes
according to the temperature, so the specific gravity when
the electrolyte is at a temperature of 20°C can be
calculated using the following formula. Use the converted
value to judge whether the electrolyte is okay or
not. D20 = (t - 20)
× 0.0007 +
Dt D20: Specific gravity
converted to a value for electrolyte temperature of
20°C t: Electrolyte temperature
at the time of measurement Dt: Actual
specific gravity
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