DeWalt XR LI-ION DCH775 Original Instructions Manual page 39

symbol Mode
Rotary
hammering
hammering only Light chipping
Bit adjustment Chisel bit position adjustment
To Select an Operating Mode
• Rotate the mode selector dial so that the arrow points to the
symbol corresponding for the desired mode.
nOTE: The arrow on the mode selector dial
at a mode symbol 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.
Indexing the Chisel Position (Fig. A)
The chisel can be indexed and locked into 24 different positions.
1. Rotate the mode selector switch
the position.
2. Rotate the chisel to the desired position.
3. Set the mode selector switch
Only" position.
4. Twist the chisel until it locks in position.
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
"backup" block to prevent damage to the material.
Switching On and Off (Fig. A)
To turn the tool on, depress the trigger switch
To stop the tool, release the trigger switch.
Drilling with a Solid Bit (Fig. A)
1. Insert the appropriate drill bit.
2. Set the mode selector switch
hammerdrilling position.
3. Set the electronic speed and impact control dial
4. Fit and adjust the side handle
5. Mark the spot where the hole is to be drilled.
6. Place the drill bit on the spot and switch on the tool.
7. Always switch off the tool when work is finished and
before unplugging.
Drilling with a Core Bit (Fig. A)
1. Insert the appropriate core bit.
2. Assemble the centerdrill into the core bit.
3. Set the mode selector switch
hammerdrilling position.
4. Turn the electronic speed and impact control dial
medium or high speed setting.
application
Drilling into concrete
and masonry
4 must be pointing
4 until it points towards
4 to the "hammering
.
1
4 to the
10 .
.
2
4 to the
to a
10
5. Fit and adjust the side handle
6. Place the centerdrill on the spot and switch on the tool. Drill
until the core penetrates into the concrete approximately
1 cm.
7. Stop the tool and remove the centerdrill. Place the core bit
back into the hole and continue drilling.
8. When drilling through a structure thicker than the depth of
the core bit, break away the round cylinder of concrete or
core inside the bit at regular intervals.
To avoid unwanted breaking away of concrete around
the hole, first drill a hole the diameter of the centerdrill
completely through the structure. Then drill the cored hole
halfway from each side.
9. Always turn the tool off when work is finished and
before unplugging.
Chipping and Chiselling (Fig. A)
1. Insert the appropriate chisel and rotate it by hand to
lock it into one of 24 positions. Refer to Indexing the
Chisel Position.
2. Set the mode selector switch
only' position.
3. Set the electronic speed and impact control dial
4. Fit and adjust the side handle
5. Turn the tool on and start working.
6. Always turn the tool off when work is finished and
before unplugging.
Recommendations for Tool Operation
• When drilling, always apply pressure in a straight line with
the bit, but do not push hard enough to stall the motor or
deflect the bit. A smooth even flow of material indicates the
proper drilling rate.
• If drilling thin material or material that is prone to splinter,
use a wood "back‑up" block to prevent damage to
the work piece.

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.
Wireless Tool Control (Fig. A)

CAUTION: Read all saftey warnings, instruction and
specifications of the appliance which is paired with
the hammer.
Your hammer is equipped with a Wireless Tool Control
transmitter which allows your hammer to be wirelessly
paired with another Wireless Tool Control device, such as a
dust extractor.
To pair your hammer using Wireless Tool Control, press and
hold the trigger switch 1 on the hammer and the Wireless Tool
Control pairing button on the seperate device. An LED on the
seperate device will let you know when your hammer has been
successfully paired.
EnGLIsh
2 .
4 to the 'hammering
10 .
2 .
37