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BATTERY INSPECTION AND CHARGING
Charging method using a variable voltage charger
Charger
YES
Adjust the voltage to obtain
the standard charging
amperage.
Set the timer to the
charging time determined
by the open-circuit
voltage.
Refer to "BATTERY
INSPECTION AND
CHARGING" section.
If the required charging time exceeds 5 hours, it is advisable to
check the changing amperage after 5 hours. If there is any
change in the amperage, readjust the voltage to obtain the
standard charging amperage.
Leave the battery unused for more than 30 minutes before
measuring its open-circuit voltage.
12,8 V → Charging is complete.
12,0 ~ 12,7 V → Recharging is required.
Under 12,0 V → Replace the battery.
(TT-R125E/TT-R125LWE)
Measure the open-
circuit voltage prior to
charging.
Ammeter
Connect a charger and
ammeter to the battery
and start charging.
Is the amperage higher
than the standard
charging amperage
written on the battery?
YES
Adjust the charging voltage
to 20 ~ 25 V.
Monitor the amperage for
3 ~ 5 minutes. Is the
standard charging
amperage exceeded?
If the amperage does not
exceed the standard
charging amperage after 5
minutes, replace the
battery.
3-39
INSP
ADJ
TIP
Leave the battery unused for
more than 30 minutes before
measuring its open-circuit
voltage.
TIP
Set the charging voltage to
16-17 V. (If the charging
voltage is lower, charging will
be insufficient, if it is higher,
the battery will be over-
charged.)
NO
NO
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