15
MAINTENANCE
The battery charger requires minimal maintenance.
It should be kept clean and all connections are to
be tightly secured. In the event of intermittent
operation, examine and tighten, if necessary, all
connections. BE SURE THE CHASSIS IS
SECURELY GROUNDED. If problems cannot be
resolved consult a qualified service center.
OPERATING INSTRUCTIONS
1. Open the machine cover. Keep the cover open
during the charging process.
2. Disconnect
the
Andersen
connector on the
machine.
3. Connect the battery charger to the battery side
of the
Andersen
connector on the machine.
This is done by grasping the plug body and
pushing it straight back into the receptacle until
it is fully engaged. The black wire must be
connected to battery negative (-), and the red
or white wire to battery positive (+). Make sure
all connections are clean and tight.
4. Connect AC supply cord to a properly
grounded 120 volt, 60 hertz, single-phase
outlet.
5. The ammeter will start after a short delay as
indicated by the transformer hum and the
ammeter movement.
WARNING: LEAD ACID BATTERIES GENERATE GASSES WHICH
CAN BE EXPLOSIVE. CHARGE ONLY IN WELL-VENTILATED
AREAS. DO NOT DISCONNECT CHARGER DC OUTPUT
TERMINALS FROM BATTERY WHEN CHARGER IS ON. THE
RESULTING ARCING AND BURNING COULD CAUSE THE
BATTERY TO EXPLODE. KEEP SPARKS, FLAME, AND SMOKING
MATERIALS AWAY FROM BATTERY.
If the charger must be stopped, always disconnect the AC supply cord from its outlet before disconnecting the DC
output terminals from the battery.
6. Monitor the ammeter for correct charge current. The initial charge current should be approximately 20 amps. If
the batteries have not been discharged, or the AC supply voltage is lower than 120 volts, the initial charge rate
may be less. If the batteries have been excessively discharged, or AC supply voltage is higher than 120 volts,
the initial charge rate may be more than 20 amps.
7. Charge current will gradually taper to approximately 6 amps depending on the age and condition of the
batteries. Charger turns off automatically when battery is fully charged. Charge time varies with battery size
and depth of discharge. Allow 10-11 hours for normal charging. Severely discharged batteries may require
more time to be properly charged and equalized.
8.
After the charger has been turned off, disconnect the DC outlet plug from the battery and the AC supply cord
from the outlet.
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