English
WARNING: Always observe the safety instructions and
applicable regulations.
WARNING: Be aware of the location of pipework
and wiring.
WARNING: Apply a pressure of approximately
22‑44 lbs. (10‑20 kg) to the tool. Applying excessive
force does not speed up chiseling and can decrease tool
performance and may shorten tool life.
Installing and Removing the Battery Pack
(Fig. K)
WARNING: Ensure the tool/appliance is in the off
position before inserting the battery pack.
nOTE: For best results, make sure your battery pack is
fully charged.
1. To install the battery pack
the battery pack with the rails inside the tool's handle
and slide it into the handle until the battery pack is firmly
seated in the tool and ensure that it does not disengage.
2. To remove the battery pack from the tool, press the
battery pack release button
battery pack out of the tool handle. Insert it into
the charger as described in the charger section of
this manual.
Proper Hand Position (Fig. L)
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.
iMPORTAnT: The tool must be held with two hands at all
times when in use.
Horizontal Applications (Fig. L)
Proper hand position requires one hand on the bail/
loop style auxiliary handle
top handle
1
.
Vertical Applications (Fig. L)
Proper hand position requires both hands on the left
handle
5
and right handle
Switching On and Off (Fig. A, M)
To turn the tool on, set the on/off switch
turn the tool off, set the on/off switch
Demolition (Fig. A, L)
WARNING: Ensure that the cutting edge does not
show discoloration caused by too much pressure. This
may impair the hardness of the accessory.
Various types of chisels are available as an option.
1. Select the appropriate chisel. Clean the chisel shank
2. Insert the chisel and check whether it is properly locked.
3. Fit and adjust the bail/loop style auxiliary handle
make sure it is firmly tightened.
12
11
into the tool handle, align
12
and firmly pull the
8
with the other hand on the
3
.
2
to position 1. To
2
to position 0.
4. Hold the tool by the bail/loop style auxiliary handle
and the top handle
right handle
5. The tool now runs in continuous operation.
iMPORTAnT: AlWAYs use two hands when operating
the tool. Refer to Proper Hand Position for the proper use
of the tool for both horizontal and vertical applications.
6. Always switch off the tool when work is finished and
before removing the battery pack.
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
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over a long period of time with a minimum of maintenance.
Continuous satisfactory operation depends upon proper tool
care and regular cleaning.
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.
Accessories
WARNING: Since accessories, other than those offered
by D
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of such accessories with this product could be hazardous.
To reduce the risk of injury, only D
accessories should be used with this product.
Recommended accessories for use with your product are
available at extra cost from your local dealer or authorized
service center. If you need assistance in locating any
accessory, please contact D
(1-800-433-9258) or visit our website: www.dewalt.com.
D
WALT ToolConnect™ Tag Ready (Fig. N)
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Optional Accessory
WARNING: Use only original fasteners. Longer screws
increase the risk of electrical shock or damage to the tool.
Your DCH966 comes with mounting holes and screws
installing a D
T15 bit tip to install the tag with the provided screws
27
.
The D
WALT ToolConnect™ Tag is designed for tracking and
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locating professional power tools, equipment, and machines
8
and
using the D
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For proper installation of the D
to the D
WALT ToolConnect™ manual.
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1
or the left handle
3
before switching ON.
WALT, have not been tested with this product, use
WALT. Call 1-800-4-D
e
WALT ToolConnect™ Tag
e
WALT Tool Connect™ app.
WALT ToolConnect™ Tag refer
e
8
5
and
WALT recommended
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WALT
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29
for
28
. You will need a
29
.