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9
ENGLISH
Installing and Releasing a Bit (Fig. A, F)
DCD443, DCD445
WARNING: Always lock off trigger switch and
disconnect tool from power source when transporting
or changingacces sories.
WARNING: Always ensure the bit is secure before
starting the tool. A loose bit may eject from tool
causing possible personalinjury.
WARNING: The quick release chuck should only
be replaced or repaired by a DeWALT authorized
serivcecenter.
NOTE: The quick release chuck accepts 7/16'' (11mm) hex
accessories and bit tipsonly.
Place the forward/reverse button
7
in the lock-off
(center) position and remove the battery pack before
changingaccessories.
To install a bit or an accessory, fully insert the bit or
accessory into the quick release chuck
8
. The bit or
accessory is locked intoplace.
To Remove a bit or an accessory, push the chuck
collar
11
away from the front of the tool. Remove the bit or
accessory. Release thecollar.
Installing and Removing the Chuck Key
(Fig. H)
DCD444
Your tool is provided with a chuck key
12
that can be stored
on the knuckle guard of the tool. To install the chuck key into
its holder, slide the key handle
14
into key holder hole as
shown and snap the handle’s shaft into the retention clip
13
on the keyholder.
To remove the chuck key from its holder, rotate the flat
head of the handle and pull the chuck key handle out of
theholder.
NOTE: To avoid losing the chuck key, do not store it in any
other orientation.
Forward/Reverse Button (Fig. A)
A forward/reverse button
7
determines the direction of the
tool. It is located in front of the trigger.
To select forward rotation, release the trigger
5
and depress
the forward/reverse button on the right side of thetool.
To select reverse, depress the forward/reverse button on
the left side of the tool. When changing the position of the
button, be sure the trigger is released.
The center position of the control button locks the tool in
the off position. When changing the position of the control
button, be sure the trigger isreleased.
Variable Speed Trigger (Fig. A)
Depressing the variable speed trigger
5
turns the tool on,
releasing the variable speed trigger turns the tool off. The
variable speed trigger permits speed control—the farther the
trigger is depressed, the higher the speed of the drill.
Top Handle (Fig. A)
A fixed top handle
4
is provided for carrying the tool and for
use as an additional handle.
E-Clutch® System (Fig. A)
Your joist drill is equipped with the DeWALT anti-rotation
E-Clutch® System. This feature senses the motion of the
tool and shuts the tool down if necessary. The red LED
indicator
10
illuminates when the E-Clutch® System
isengaged.
INDICATOR DIAGNOSIS SOLUTION
OFF Tool is functioning
normally
Follow all warnings and instructions
when operating the tool.
SOLID E-Clutch® System
has been activated
(ENGAGED)
With the tool properly supported,
release trigger. The tool will function
normally when the trigger is
depressed again and the indicator
light will go out
Torque
WARNING: This is a high‑torque drill. To reduce the
risk of serious personal injury, ALWAYS hold tool firmly
with both hands in the proper position for operation
as shown.
Torque is the twisting action the drill produces in regards
to the rotating bit. As the drill bit meets resistance in the
material being drilled, the motor responds by adjusting the
output torque to meet the requirement up to the maximum
capacity of the motor and gear system.
Bracing the Tool (Fig. D, E)
WARNING: To reduce the risk of serious personal
injury, NEVER brace the tool against the battery pack.
The bit rotates clockwise when the tool is in the forward
position and counterclockwise when the tool is in the
reverse position.
ASSEMBLY AND ADJUSTMENTS
WARNING: To reduce the risk of serious personal
injury, turn unit off and remove the battery pack
before making any adjustments or removing/
installing attachments or accessories. An
accidental start‑up can causeinjury.
3. You may charge a partially used pack whenever you
desire with no adverse effect on the batterypack.
Charger Cleaning Instructions
WARNING: Shock hazard. Disconnect the charger
from the AC outlet before cleaning. Dirt and grease
may be removed from the exterior of the charger using
a cloth or soft non‑metallic brush. Do not use water or
any cleaningsolutions.
Installing and Releasing a Bit from the
Keyed Chuck (Fig. A)
DCD444
WARNING: Do not attempt to tighten drill bits (or
any other accessory) by gripping the front part of the
chuck and turning the tool on. Damage to the chuck
and personal injury may result. Always lock off trigger
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