Operation; Screwdriver Operation; Drill Operation; Keyless Single Sleeve Chuck - DeWalt DCD771 Original Instructions Manual

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 are having trouble
changing gears, make sure that the dual range
gear shifter is either completely pushed forward or
completely pushed back.
Worklight (fig. 1)
There is a worklight (e) located just above the
trigger switch (a). The worklight is activated when
the trigger switch is depressed. When the trigger is
released, the worklight will stay illuminated for up to
20 seconds.
NotE: The worklight is for lighting the immediate
work surface and is not intended to be used as a
flashlight.

keyless single sleeve Chuck

(fig. 7–9)
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 (f) with one
rotating sleeve for one-handed operation of the
chuck. To insert a drill bit or other accessory, follow
these steps.
1. Turn tool off and disconnect tool from power
source.
2. Grasp the black sleeve of the chuck with one
hand and use the other hand to secure the
tool. Rotate the sleeve counterclockwise far
enough to accept the desired accessory.
3. Insert the accessory about 19 mm (3/4") into
the chuck and tighten securely by rotating
the chuck sleeve clockwise with one hand
while holding the tool with the other. Your tool
is equipped with an automatic spindle lock
mechanism. This allows you to open and close
the chuck with one hand.
Be sure to tighten chuck with one hand on the
chuck sleeve and one hand holding the tool for
maximum tightness.
To release the accessory, repeat steps 1 and 2
above.

operation

instructions for use
WARNING: Always observe the safety
instructions and applicable regulations.
WARNING: To reduce the risk of
serious personal injury, turn tool
off and disconnect battery pack
before making any adjustments or
removing/installing attachments or
accessories. An accidental start-up
can cause injury.
proper Hand position (fig. 3)
WARNING: To reduce the risk of
serious personal injury, AlWAyS use
proper hand position as shown.
WARNING: To reduce the risk of
serious personal injury, AlWAyS hold
securely in anticipation of a sudden
reaction.
Proper hand position requires one hand on the top
of the drill as shown, with the other hand on the
main handle (i).
screwdriver operation (fig. 4)
1. Select the desired speed/torque range using the
dual range gear selector to match the speed
and torque of the planned operation.
2. Turn the torque adjustment collar (c) to the
desired position. Lower numbers indicate lower
torque settings; higher numbers indicate higher
torque settings.
3. Insert the desired fastener accessory into the
chuck as you would any drill bit.
4. Make some practice runs in scrap or on unseen
areas to determine the proper position of the
clutch collar.
5. Always start with lower torque settings, then
advance to higher torque settings to avoid
damage to the workpiece or fastener.
drill operation (fig. 5)
WARNING: To reduce the risk of
serious personal injury, turn tool off and
disconnect tool from power source
before making any adjustments or
E nglish
11