Yamaha EF3000iS Owner's Manual page 29

NOTICE
9 Be sure the economy control switch is turned
off while charging the battery.
9 Be sure to connect the red battery charger lead
to the positive (+) battery terminal, and connect
the black lead to the negative (–) battery termi-
nal. Do not reverse these positions.
9 Connect the battery charger leads to the bat-
tery terminals securely so that they are not dis-
connected due to engine vibration or other dis-
turbances.
9 Charge the battery in the correct procedure by
following instructions in the owner's manual
for the battery.
9 The DC protector turns off automatically if cur-
rent above the rated flows during battery
charging.
To restart charging the battery, turn the DC pro-
tector on by pressing its button to "RESET". If
the DC protector turns off again, stop charging
the battery immediately and consult a Yamaha
dealer.
TIP
9 Follow instructions in the owner's manual for the
battery to determine the end of battery charging.
9 Measure the specific gravity of electrolyte to deter-
mine if the battery is fully charged. At full charge,
the electrolyte specific gravity is between 1.26 and
1.28.
9 It is advisable to check the specific gravity of the
electrolyte at least once every hour to prevent over-
charging the battery.
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