Hitachi ZW 550-6 Operator's Manual page 365

If you spill acid on yourself, call 911, then:
1. Flush your skin with water.
2. Apply baking soda or lime to help neutralize the
acid.
3. If splashed in eyes, flush with water for 10 to 15
minutes. Get medical attention immediately.
If acid is swallowed, call 911, then:
1. Drink large amounts of water or milk.
2. Then drink milk of magnesia, beaten eggs, or
vegetable oil.
3. Get medical attention immediately.
IMPORTANT: Add water to batteries when cool
weather before you begin operating your machine
for the day, or else charge the batteries.
IMPORTANT: If the battery is used with the electrolyte
solution level lower than the specified level, the
battery performance may deteriorate quickly.
IMPORTANT: Do not refill electrolyte solution more
than the specified upper level. Electrolyte solution
may spill, damaging painted surfaces and/or
corroding other machine parts.
f
NOTE: In case electrolyte solution is filled above the
specified upper level line or beyond the bottom end of
the sleeve, remove the excess electrolyte solution until the
electrolyte solution level is down to the bottom end of the
sleeve by using a pipette.
After neutralizing the removed electrolyte solution
with sodium bicarbonate, flush it with plenty of water,
otherwise, consult the battery manufacturer.
MAINTENANCE
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