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BATTERY INSPECTION AND CHARGING
5. Charge:
Battery
G
(refer to the appropriate charging
method illustration)
WARNING
Do not quick charge a battery.
CAUTION:
Never remove the MF battery sealing
G
caps.
Do not use a high-rate battery charger
G
since it forces a high-amperage current
into the battery quickly and can cause
battery overheating and battery plate
damage.
If it is impossible to regulate the charging
G
current on the battery charger, be careful
not to overcharge the battery.
When charging a battery, be sure to
G
remove it from the machine. (If charging
has to be done with the battery mounted
on the machine, disconnect the negative
battery lead from the battery terminal.)
To reduce the chance of sparks, do not
G
plug in the battery charger until the bat-
tery charger leads are connected to the
battery.
Before removing the battery charger lead
G
clips from the battery terminals, be sure
to turn off the battery charger.
Make sure the battery charger lead clips
G
are in full contact with the battery termi-
nal and that they are not shorted. A cor-
roded battery charger lead clip may
generate heat in the contact area and a
weak clip spring may cause sparks.
If the battery becomes hot to the touch at
G
any time during the charging process,
disconnect the battery charger and let the
battery cool before reconnecting it. Hot
batteries can explode!
As shown in the following illustration, the
G
open-circuit voltage of an MF battery sta-
bilizes about 30 minutes after charging
has been completed. Therefore, wait 30
minutes after charging is completed
before measuring the open-circuit volt-
age.
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