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Battery Charging Precautions Charger Inspection
13
4.3 Charger Inspection
CAUTION: Before using, inspect the charger and correct any
problems. Set up the charger according to these procedures to
reduce the risk of injury from electric shock, fire and other causes,
and to prevent tool damage.
1) 172BMake sure the charger is unplugged. Inspect the power cord and
charger for damage or modifications, or broken, worn, missing,
misaligned or binding parts. If any problems are found, do not
use the charger until the parts have been repaired or replaced.
2) 173BClean any oil, grease or dirt from the tool especially on the
buttons. This helps to prevent the tool from slipping from your
hands and allows proper ventilation.
3) 175BCCheck that the warning label on the charger is intact and
readable.
4) 176BSelect an appropriate location for the charger before using.
Check the following:
The charger must be between 41°F (5°C) and 113°F (45°C)
for charging. If the temperature goes below or exceeds this
range at any point during charging, the operation will be
suspended until brought back to the correct temperature
range.
181BInspect that the plug fits correctly into the desired outlet.
182BThe charger needs a clearance of at least 4" (10 cm) on all
sides to maintain a proper operating temperature.
21B4.4 Battery Charging Procedures
185BNOTE: A new battery reaches full capacity after approximately 5
charging and discharging cycles.
The tool has a 3.7V built-in lithium-ion rechargeable battery. When
the battery is low, a “Battery critically low!” message appears and
suggests you to charge the battery in time. (Fig. 8)