DeWalt DCH416 Guide D'utilisation page 13

Overload Clutch
In case of jamming of a drill bit, the drive to the drill spindle
is interrupted by the overload clutch. Due to the resulting
forces, always hold the tool with both hands and take a
firm stance. After the overload, release and depress the
trigger to re‑engage drive.

WARNING: Drill may stall if overloaded causing a
sudden twist. Always expect the stall. Grip the drill
firmly to control the twisting action and avoid injury.
Operation Modes (Fig. A)

WARNING: Do not select the operating mode when
the tool is running.
Your tool is equipped with a mode selector dial
select the mode appropriate to desired operation.
symbol Mode
Rotary Drilling
Rotary
hammering
hammering
only
To select an Operating Mode
1. Depress the mode selector release button
2. Rotate the mode selector dial
to the symbol corresponding with the desired mode.
nOTE: The mode selector dial
rotary hammering or hammering only mode at all times.
There are no operable positions in between. It may be
necessary to briefly run the motor after having changed
from 'hammering only' to 'rotary' modes in order to align
the gears.
Performing an Application (Fig. A)

WARNING: TO REDUCE THE RISK OF PERSONAL
INJURY, ALWAYS ensure workpiece is anchored or
clamped firmly. If drilling thin material, use a wood
"back‑up" block to prevent damage to the material.

WARNING: Always wait until the motor has come to
a complete standstill before changing the direction
of rotation.
1. Choose and install the appropriate chuck, adapter, and/or
bit onto to the tool. Refer to Bit and Bit Holders.
2. Using the mode selector dial
appropriate to desired application. Refer to
Operation Modes.
3. Adjust the side handle
4. Place the bit/chisel on the desired location.
5. Select the direction of rotation using the forward/reverse
button 2 . When changing the position of the control
button, be sure the trigger is released and motor has
come to a complete stop.
3 to
Application
Screwdriving
Drilling into steel, wood
and plastics
Drilling into concrete and
masonry
Light chipping
4 .
3 so that the arrow points
3 must be in rotary drilling,
3 , select the mode
6 as required.
‑ To select forward rotation, press the for ward/re verse
control button on the right side of the tool.
‑ To select reverse, press 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.
6. Depress the trigger switch
the trigger switch, the faster the tool will operate. For
maximum tool life, use variable speed only for starting
holes or fasteners.
nOTE: Depending on your tool, depressing the trigger
switch activates a worklight
the immediate work surface. The worklight will
automatically turn off 20 seconds after the trigger switch
is released.

WARNING:
• Do not use this tool to mix or pump easily
combustible or explosive fluids (benzine, alcohol,
etc.).
• Do not mix or stir inflammable liquids
labelled accordingly.
MAINTENANCE

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 cause injury.
Your D WALT power tool has been designed to operate
e
over a long period of time with a minimum of maintenance.
Continuous satisfactory operation depends upon proper tool
care and regular cleaning.
Replacing the Dust Brush (Fig. H)

WARNING: Wear approved eye protection and
approved dust mask when performing this procedure.
The dust brush will wear during use and will need to be
replaced at the same time as the filter.
1. Push the snap‑fit button
head 27 out of the head holder.
2. Insert the new extraction head back into the head holder.
The centering pin will stick into the open end of the dust
brush and secure it in place.
Cleaning

WARNING: Blow dirt and dust out of all air vents with
clean, dry air at least once a week. To minimize the risk
of eye injury, always wear ANSI Z87.1 approved eye
protection when performing this procedure.

WARNING: Never use solvents or other harsh
chemicals for cleaning the non‑metallic parts of the
tool. These chemicals may weaken the plastic materials
used in these parts. Use a cloth dampened only with
water and mild soap. Never let any liquid get inside the
tool; never immerse any part of the tool into a liquid.
English
1 . The farther you depress
14 designed to illuminate
26 , and pull the dust extraction
11