Low Battery Warning - DeWalt DCD791 Instruction Manual

Proper hand position requires one hand on the main
handle 14 and the other hand holding the battery pack
Variable Speed Trigger and Forward/
Reverse Control Button (Fig. A)
The tool is turned on and off by pulling and releasing the
variable speed trigger 1 . The farther the trigger is depressed,
the higher the speed of the tool. Your tool is equipped with
a brake. The chuck will stop as soon as the trigger switch is
fully released.
A forward/reverse control button
rotational direction of the tool and also serves as a
lock-off button.
• To select forward rotation (clockwise), release the trigger
and depress the forward/reverse control button on the
right side of the tool.
• To select reverse (counterclockwise), depress the
forward/reverse control button on the left side of
the tool.
NOTE: 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: Continuous use in variable speed range is not
recommended. It may damage the switch and should
be avoided.
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. A, G)
The worklight 5 and its switch
of the tool. The worklight is activated when the trigger
is depressed. The low 15 , medium
modes 17 can be changed by moving the switch on the
foot of the tool. If the trigger switch remains depressed, the
worklight will remain on in all modes.
When on low and medium settings, the beam will
automatically turn off 20 seconds after the trigger switch
is released.
Spotlight Mode
The high setting is the spotlight mode
run for 20 minutes after the trigger switch is released. Two
minutes before the spotlight will shut off, it will flash twice
and then dim. To avoid the spotlight shutting off, lightly tap
the trigger switch.

WARNING: While using the worklight in medium
or spotlight mode, do not stare at the light or
place the drill in a position which may cause
anyone to stare into the light. Serious eye injury
could result.

CAUTION: When using the tool as a spotlight, be sure
it is secured on a stable surface where it will not cause a
tripping or falling hazard.

CAUTION: Remove all accessories from the chuck
before using the drill as a spotlight. Personal injury or
property damage could result.
11
2 determines the
12 are located on the foot
16 and spotlight
17 . The spotlight will

Low Battery Warning

.
When in spotlight mode and the battery is nearing complete
discharge, the spotlight will flash twice and then dim. After
two minutes, the battery will be completely discharged and
the drill will immediately shut down. At this point, replace
with a fresh battery.

WARNING: To reduce the risk of injury, always have a
back-up battery or secondary lighting available if the
situation warrants it.
Performing an Application (Fig. A)

WARNING: To reduce the risk of personal
injury, ALWAYS ensure workpiece is anchored or
clamped firmly.

WARNING: Always wait until the motor has come to
a complete standstill before changing the direction
of rotation.
Prior to Performing Work
• Set the speed selector
• Install the appropriate bit or accessory into the
chuck. Refer to Installing a Bit or Accessory into a
Keyless Chuck.

WARNING:
• Do not use this tool to mix or pump easily
combustible or explosive fluids (benzine,
alcohol, etc.).
• Do not mix or stir flammable liquids
labeled accordingly.
Screwdriving
Your tool has a clutch with adjustable torque for driving
and removing a wide array of fastener shapes and sizes. The
numbers 1–15 on the mode selection collar
set a torque range for screwdriving. The higher the number
on the collar, the higher the torque and the larger the
fastener which can be driven.
1. Turn the mode selection collar
Refer to Mode Selection.
2. Pull the trigger switch applying pressure in a straight line
with the bit until the fastener is seated at the desired
depth in the workpiece.
Recommendations for Screwdriving
• Start with lower torque settings, then advance to higher
torque settings to avoid damage to the workpiece
or fastener.
• Make some practice runs in scrap or on unseen areas of
the workpiece to determine the proper position of the
mode selection collar.
Drilling
1. Turn the mode selection collar
Refer to Mode Selection.
2. Place drill bit in contact with the workpiece.
NOTE: Use sharp drill bit only.
3. Pull the trigger switch applying pressure in a straight line
with the bit until it reaches the desired depth.
ENGLISH
4 . Refer to Speed Selection.
3 are used to
3 to the desired position.
3 to the drill symbol.
29