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Mode Control Collar (Fig. 2–4)
Your drill is equipped with a separate mode control collar (F) to switch between drilling,
screwdriving and hammerdrilling mode.
DRILLING (FIG. 2)
CAUTION: When the mode collar is in the drill/hammerdrill mode, the drill will not clutch out
regardless of the position of the torque adjustment collar (E).
Rotate the mode control collar (F) so the drill symbol is aligned with the arrow.
NOTE: The torque adjustment collar (E) may be set on any number.
SCREWDRIVING (FIG. 3)
Rotate the mode control collar (F) so the screw symbol is aligned with the arrow.
NOTE: The torque adjustment collar may be set to any number at any time. However, the torque
adjustment collar is only engaged during screwdriving mode and not in drill and hammerdrill
modes.
HAMMERDRILLING (FIG. 4)
CAUTION: When the mode collar is in the drill/hammerdrill mode, the drill will not clutch out
regardless of the position of the torque adjustment collar (E).
Rotate the mode control collar (F) so the hammer symbol is aligned with the arrow.
Torque Adjustment Collar (Fig. 2–4)
Your tool has an adjustable torque screwdriver mechanism for driving and removing a wide
array of fastener shapes and sizes. Circling the torque adjustment collar (E) are numbers. These
numbers are used to set the clutch to deliver a torque range. The higher the number on the
collar, the higher the torque and the larger the fastener which can be driven. To select any of
the numbers, rotate until the desired number aligns with the arrow.
Three-Speed Gearing (Fig. 2–4)
The three-speed feature of your tool allows you to shift gears for greater versatility. To select
speed 1 (highest torque setting), turn the tool off and permit it to stop. Slide the gear shifter (G)
all the way forward. Speed 2 (middle torque and speed setting) is in the middle position. Speed 3
(highest speed setting) is to the rear.
NOTE: Do not change gears when the tool is running. Always allow the drill to come to a complete
stop before changing gears. If you have trouble changing gears, make sure that the gear shifter is
engaged in one of the three speed settings.
Chucks
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 switch and disconnect tool from power source when changing acces-
sories.
WARNING: Always ensure the bit is secure before starting the tool. A loose bit may eject
from tool causing possible personal injury.
KEYLESS SINGLE SLEEVE CHUCK (FIG. 5–7)
DCD910, DCD920, DCD940, DCD960
Your tool features a keyless chuck with one rotating sleeve for one-handed operation of the
chuck. To insert a drill bit or other accessory, follow these steps.
1. Lock the trigger in the OFF position. Turn off tool and disconnect tool from power source.
2. Grasp the black sleeve of the chuck (D) with one hand and use the other hand to secure the
tool as shown in Figure 5. Rotate the sleeve counterclockwise (as viewed from the front) far
enough to accept the desired accessory.
3. Insert the accessory about 3/4" (19 mm) into the chuck and tighten securely by rotating the
chuck sleeve clockwise with one hand while holding the tool with the other hand. Continue to
rotate the chuck sleeve until several ratchet clicks are heard to ensure full gripping power.
To release the accessory, repeat Steps 1 and 2 above.
Be sure to tighten chuck with one hand on the chuck sleeve and one hand holding the tool for
maximum tightness.
SELF-TIGHTENING CHUCK OPERATION (FIG. 8–10)
DCD930, DCD950, DCD970
To insert a drill bit or other accessory:
1. Lock the trigger in the OFF position. Turn off tool and disconnect tool from power source.
2. Grasp the chuck sleeve (I) with one hand and use the other hand to secure the tool as shown
in Figure 8. Rotate the sleeve counterclockwise (as viewed from the front) far enough to
accept the desired bit or accessory.
3. Insert the bit or other accessory about 3/4" (19 mm) into the chuck, as shown in Figure 9.
Grasp the chuck sleeve (I) securely and rotate the sleeve clockwise (viewed from the front)
with one hand while using the other hand to secure the tool. Rotate the sleeve clockwise
until sleeve cannot be rotated any further, as demonstrated in Figure 10. As the drill is being
operated in the forward position, the chuck will continually self tighten the jaws of the chuck
onto the bit or accessory to maximize the bit gripping strength.
To release the accessory, repeat Steps 1 and 2.
OPERATION
WARNING: To reduce the risk of serious personal injury, turn tool off and disconnect tool
from power source before making any adjustments or removing/installing attachments
or accessories.
Installing and Removing the Battery Pack (Fig. 11)
NOTE: Make sure your battery pack is fully charged.
To install the battery pack into the tool handle, align the notch inside the tool’s handle with the
battery pack and slide the battery pack firmly into the handle until you hear the lock snap into
place as shown in Figure 11.
To remove the battery pack from the tool, press the release buttons (J) and firmly pull the
battery pack out of the tool handle. Insert it into the charger as described in the charger section
of this manual.
Drill Operation
1. Select the desired speed/torque range using the gear shifter to match the speed and torque
to the planned operation. Set the mode control collar to the drill symbol.
2. For WOOD, use twist bits, spade bits, power auger bits or hole saws. For METAL, use high-
speed steel twist drill bits or hole saws. Use a cutting lubricant when drilling metals. The
exceptions are cast iron and brass which should be drilled dry.
3. Always apply pressure in a straight line with the bit. Use enough pressure to keep the drill
bit biting, but do not push hard enough to stall the motor or deflect the bit.
4. Hold tool firmly with both hands to control the twisting action of the drill.
5. IF DRILL STALLS, it is usually because it is being overloaded. RELEASE TRIGGER
IMMEDIATELY, remove drill bit from work, and determine cause of stalling. DO NOT
CLICK TRIGGER OFF AND ON IN AN ATTEMPT TO START A STALLED DRILL – THIS
CAN DAMAGE THE DRILL.
6. Keep the motor running when pulling the bit back out of a drilled hole. This will help prevent
jamming.
make up the total length, be sure each individual extension contains at least the minimum
wire size. The following table 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.
Recommended Minimum Wire Size for Extension Cords
Total Length of Cord
25 ft. 50 ft. 75 ft. 100 ft. 125 ft. 150 ft. 175 ft.
7.6 m 15.2 m 22.9 m 30.5 m 38.1 m 45.7 m 53.3 m
Wire Size AWG
18 18 16 16 14 14 12
• 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 120V 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 Automatic 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 12, 14,4 or 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. 120 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
Charge Indicators
Some chargers are designed to detect certain problems that can arise with battery packs.
Problems are indicated by the red light flashing at a fast rate. If this occurs, re-insert battery pack
into the charger. If the problem persists, try a different battery pack to determine if the charger is
OK. If the new pack charges correctly, then the original pack is defective and should be returned
to a service center or other collection site for recycling. If the new battery pack elicits the same
trouble indication as the original, have the charger tested at an authorized service center.
HOT/COLD PACK DELAY
Some chargers have a Hot/Cold Pack Delay feature: when the charger detects a battery that is
hot, it automatically starts a Hot Pack Delay, suspending charging until the battery has cooled.
After the battery has cooled, the charger automatically switches to the Pack Charging mode.
This feature ensures maximum battery life. The red light flashes long, then short while in the
Hot Pack Delay mode.
PROBLEM POWER LINE
Some chargers have a Problem Power Line indicator. When the charger is used with some
portable power sources such as generators or sources that convert DC to AC, the charger may
temporarily suspend operation, flashing the red light with two fast blinks followed by a
pause. This indicates the power source is out of limits.
LEAVING THE BATTERY PACK IN THE CHARGER
The charger and battery pack can be left connected with the red light glowing indefinitely. The
charger will keep the battery pack fresh and fully charged.
NOTE: A battery pack will slowly lose its charge when kept out of the charger. If the battery pack
has not been kept on maintenance charge, it may need to be recharged before use. A battery
pack may also slowly lose its charge if left in a charger that is not plugged into an appropriate
AC source.
WEAK BATTERY PACKS: Chargers can also detect a weak battery pack. Such batteries are
still usable but should not be expected to perform as much work. The charger will indicate to
replace battery pack.
Important Charging Notes
1. Longest life and best performance can be obtained if the battery pack is charged when the
air temperature is between 65°F and 75°F (18°- 24°C). DO NOT charge the battery pack in
an air temperature below +40°F (+4.5°C), or above +105°F (+40.5°C). This is important and
will prevent serious damage to the battery pack.
2. The charger and battery pack may become warm to touch while charging. This is a normal
condition, and does not indicate a problem. To facilitate the cooling of the battery pack after
use, avoid placing the charger or battery pack in a warm environment such as in a metal
shed, or an uninsulated trailer.
3. If the battery pack does not charge properly:
a. Check current at receptacle by plugging in a lamp or other appliance;
b. Check to see if receptacle is connected to a light switch which turns power off when you
turn out the lights;
c. Move charger and battery pack to a location where the surrounding air temperature is
approximately 65°F - 75°F (18°- 24°C);
d. If charging problems persist, take the tool, battery pack and charger to your local service
center.
4. The battery pack should be recharged when it fails to produce sufficient power on jobs which
were easily done previously. DO NOT CONTINUE to use under these conditions. Follow the
charging procedure. You may also charge a partially used pack whenever you desire with
no adverse affect on the battery pack.
5. Under certain conditions, with the charger plugged into the power supply, the exposed
charging contacts inside the charger can be shorted by foreign material. Foreign materials
of a conductive nature such as, but not limited to, grinding dust, metal chips, steel wool,
aluminum foil, or any buildup of metallic particles should be kept away from charger cavities.
Always unplug the charger from the power supply when there is no battery pack in the cavity.
Unplug charger before attempting to clean.
6. Do not freeze or immerse charger in water or any other liquid.
WARNING: Shock hazard. Don’t allow any liquid to get inside charger. Electric shock may
result.
CAUTION: Never attempt to open the battery pack for any reason. If the plastic housing of the
battery pack breaks or cracks, return to a service center for recycling.
Storage Recommendations
1. The best storage place is one that is cool and dry away from direct sunlight and excess heat
or cold.
2. Long storage will not harm the battery pack or charger. Under proper conditions, they can
be stored for 5 years or more.
SAVE THESE INSTRUCTIONS FOR FUTURE USE
COMPONENTS (Fig. 1)
A. Trigger switch F. Mode control collar
B. Forward/reverse button G. Gear shifter
C. LED light H. Side handle (DCD940, DCD950,
D. Chuck DCD960, DCD970 only)
E. Torque adjustment collar
Variable Speed Switch (Fig. 1)
To turn the tool on, squeeze the trigger switch (A). To turn the tool off, release the trigger switch.
Your tool is equipped with a brake. The chuck will stop as soon as the trigger switch is fully
released.
NOTE: Continuous use in variable speed range is not recommended. It may damage the switch
and should be avoided.
Side Handle (Fig. 1)
WARNING: To reduce the risk of personal injury, ALWAYS operate the tool with the side
handle properly installed. Failure to do so may result in the side handle slipping during tool
operation and subsequent loss of control. Hold tool with both hands to maximize control.
Side handle (H) clamps to the front of the gear case and may be rotated 360˚ to permit right- or
left-hand use. Side handle must be tightened sufficiently to resist the twisting action of the tool
if the accessory binds or stalls. Be sure to grip the side handle at the far end to control the tool
during a stall.
If model is not equipped with side handle, grip drill with one hand on the handle and one hand
on the battery pack.
NOTE: Side handle comes equipped on models DCD940, DCD950, DCD960 and DCD970.
Forward/Reverse Control Button (Fig. 1)
A forward/reverse control button (B) determines the direction of the tool and also serves as a
lock off button.
To select forward rotation, release the trigger switch and depress the for ward/re verse control
button on the right side of the tool.
To select reverse, release the trigger switch and depress the forward/reverse control button on
the left side of the tool.
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 is released.
NOTE: The first time the tool is run after changing the direction of rotation, you may hear a click
on start up. This is normal and does not indicate a problem.
Worklight (Fig. 1)
There is a worklight (C) located just above the trigger switch (A). The worklight will be activated
when the trigger switch is squeezed.
NOTE: The worklight is for lighting the immediate work surface and is not intended to be used
as a flashlight.
FIG. 5
FIG. 6
FIG. 7
FIG. 8
FIG. 9
FIG. 10
D
I
FIG. 11
J
DCD940
A
B
DEF
C
DCD950
A
B
DEF
C
FIG. 1
G
G
FIG. 2
E
F
G
SCREWDRIVING
VISSAGE
DESTORNILLADO
HAMMERDRILLING
MARTEAU PERFORATEUR
TALADRADO DE PERCUSIÓN
DRILLING
PERÇAGE
TALADRADO
E
F
G
H
FIG. 4
FIG. 3