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• An extension cord must have adequate wire size (AWG or American Wire
Gauge) for safety. The smaller the gauge number of the wire, the greater the
capacity of the cable, that is 16 gauge has more capacity than 18 gauge. An
undersized cord will cause a drop in line voltage resulting in loss of power and
overheating. When using more than one extension to make up the total length, be
sure each individual extension contains at least the minimum wire size. The table
under Extension Cords shows shows the correct size to use depending on cord
length and nameplate ampere rating. If in doubt, use the next heavier gauge. The
smaller the gauge number, the heavier the cord.
• Do not place any object on top of charger or place the charger on a soft
surface that might block the ventilation slots and result in excessive internal
heat. Place the charger in a position away from any heat source. The charger is
ventilated through slots in the top and the bottom of the housing.
• Do not operate charger with damaged cord or plug.
• Do not operate charger if it has received a sharp blow, been dropped, or
otherwise damaged in any way. Take it to an authorized service center.
• Do not disassemble charger; take it to an authorized service center when
service or repair is required. Incorrect reassembly may result in a risk of
electric shock, electrocution or fire.
• Disconnect the charger from the outlet before attempting any cleaning. This
will reduce the risk of electric shock. Removing the battery pack will not reduce
this risk.
• NEVER attempt to connect 2 chargers together.
• The charger is designed to operate on standard 240V household electrical
power. Do not attempt to use it on any other voltage. This does not apply to the
vehicular charger.
Using Automatic Tune-Up™ Mode
The automatic Tune-Up™ Mode equalizes or balances the individual cells in the
battery pack allowing it to function at peak capacity. Battery packs should be tuned up
weekly or after 10 charge/discharge cycles or whenever the pack no longer delivers
the same amount of work. To use the automatic Tune-Up™, place the battery pack
in the charger and leave it for at least 8 hours. The charger will cycle through the
following modes.
1. The red light will blink continuously indicating that the 1-hour charge cycle has
started.
2. When the 1-hour charge cycle is complete, the light will stay on continuously and
will no longer blink. This indicates that the pack is fully charged and can be used
at this time.
3. If the pack is left in the charger after the initial 1-hour charge, the charger will
begin the Automatic Tune-Up mode. This mode continues up to 8 hours or until
the individual cells in the battery pack are equalized. The battery pack is ready for
use and can be removed at any time during the Tune-Up mode.
4. Once the Automatic Tune Up mode is complete, the charger will begin a
maintenance charge; the red indicator will remain lit.
Chargers
Your tool uses a DEWALT 7.2, 9.6, 12, 14.4, 18 Volt charger. Be sure to read all safety
instructions before using your charger. Consult the chart at the end of this manual for
compatibility of chargers and battery packs.
Charging Procedure
DANGER: Electrocution hazard. 240 volts present at charging terminals. Do not
probe with conductive objects. Danger of electric shock or electrocution.
1. Plug the charger into an appropriate outlet before inserting battery pack.
2. Insert the battery pack into the charger. The red (charging) light will blink
continuously indicating that the charging process has started.
3. The completion of charge will be indicated by the red light remaining ON
continuously. The pack is fully charged and may be used at this time or left
in the charger.
Indicator Light Operation