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DeWalt DCD991 User Manual

DeWalt DCD991
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12
ENGLISH
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.
Torque Adjustment Collar/Electronic
Clutch (Fig. 35)
Your tool has an electronic adjustable torque screwdriver
mechanism for driving and removing a wide array of fasteners.
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. 1, 35)
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 (F) 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.
If the speed shifter becomes stuck or is difficult to select the desired
gear, pull the trigger switch (A) to rotate the motor. Then select
the gear.
Keyless Single Sleeve Chuck
(Fig. 68)
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.
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. Turn off tool and disconnect tool from power source.
TO REMOVE THE BATTERY PACK FROM THE TOOL
1. Press the battery release button (I) and firmly pull the battery
pack out of the tool handle.
2. Insert battery pack into the charger as described in the
charger section of this manual.
Squeeze the tool trigger for three seconds to dissipate the slight
electric charge that may still be in the tool. The worklight may come
on for a brief moment.
FUEL GAUGE BATTERY PACKS (FIG. 2)
Some DeWALT battery packs include a fuel gauge which consists of
three green LED lights that indicate the level of charge remaining in
the battery pack.
To actuate the fuel gauge, press and hold the fuel gauge button
(Q). A combination of the three green LED lights will illuminate
designating the level of charge left. When the level of charge in the
battery is below the usable limit, the fuel gauge will not illuminate
and the battery will need to be recharged.
NOTE: The fuel gauge is only an indication of the charge left
on the battery pack. It does not indicate tool functionality and is
subject to variation based on product components, temperature
and end-user application.
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.
The side handle (G) 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 astall.
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 all models.
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.

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DeWalt DCD991 Specifications

General IconGeneral
Voltage20V
Max RPM2, 000 RPM
Chuck Size1/2 inch
Speed Settings3
LED LightYes
Max Power820 UWO
Chuck TypeMetal Ratcheting
Tool-Free Bit ChangesYes
Brushless MotorYes
Length8.4 inches
Battery TypeLithium Ion
No Load Speed0-450 / 0-1, 300 / 0-2, 000 RPM

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