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ENGlIsh
spECIFICaTIoNs
Variable Speed Dial Positions
Dust Extraction Model #
Noise Values [dB(A)]
L
(Emission Sound Pressure Level)
pA
L
(Sound Power Level)
WA
K (Uncertainty of Given Sound Level)
2
Vibration Values (m/s
)
Chipping/Chiselling (Value a
h,Cheq
Uncertainty K
Motor
Be sure your power supply agrees with the nameplate
marking. Voltage decrease of more than 10% will cause loss
of power and overheating. These tools are factory tested; if
this tool does not operate, check power supply.
ASSEMBLY AND ADJUSTMENTS
WARNING: To reduce the risk of serious personal
injury, turn unit off and disconnect it from
power source before making any adjustments or
removing/installing attachments or accessories. An
accidental start‑up can cause injury.
Bit and Tool Holder
WARNING: Burn hazard. ALWAYS wear gloves when
changing bits. Accessible metal parts on the tool and
bits may get extremely hot during operation. Small bits
of broken material may damage bare hands.
Inserting and Removing SDS max®
Accessories (Fig. C)
This machine uses SDS max® chisels (refer to the inset in
Figure C for a cross‑section of an SDS max® bit shank).
1. Clean the bit shank.
WARNING: Do not apply lubricant to the bit shank.
2. Pull back the locking sleeve
3. Release the locking sleeve and turn the bit slightly until
the sleeve snaps into position.
4. Pull on the bit to check if it is properly locked. The
hammering function requires the bit to be able to
move axially several centimetres when locked in the
tool holder
.
6
5. To remove a chisel pull back the locking sleeve and pull
the chisel out of the tool holder.
Indexing the Chisel Position (Fig. D)
The chisel can be indexed and locked into
12 different positions.
1. Insert the chisel as described above.
2. Rotate the chisel position index collar
of the arrow until the chisel is in the desired position.
18
7
DWH053
91 dB
99 dB
3 dB
)
14.9 m/s²
1.5 m/s²
and insert the bit shank.
7
3
in the direction
Side Handle (Fig. A, B)
WARNING: To reduce the risk of personal injury,
ALWAYS operate the tool with the side handle properly
installed and securely tightened. Failure to do so may
result in the side handle slipping during tool operation
and subsequent loss of control. Hold tool with both
hands to maximize control.
The side handle
clamps to the front of the gear case and
2
may be rotated 360˚ to permit right‑ or left‑hand use.
Mounting the Side Handle Assembly
(Fig. B)
1. Widen the ring opening
by rotating the screw for side handle mounting
anti‑clockwise.
2. Slide the assembly onto the nose of the tool, through
the ring opening
12
collar
, past the tool holder and locking sleeve.
3
3. Rotate the side handle assembly to the desired position.
4. Lock the side handle mounting assembly in place
by securely tightening the screw for side handle
mounting
, rotating it clockwise so that the assembly
10
will not rotate.
Setting the Electronic Speed Control (Fig. A)
The electronic speed control allows optimal tool control for
precise chiselling.
Turn the electronic speed control dial
level. The higher the number, the greater the impact
energy. With dial settings from 1 (low) to 7 (full power)
the tool is extremely versatile and adaptable for many
different applications.
The required setting is a matter of experience, for example:
•
When chiselling soft, brittle materials or when minimum
break‑out is required, set the dial to 1 or 2 (low);
•
When breaking harder materials, set the dial to
7 (full power).
Service Indicator LED (Fig. A)
Your hammer has an LED service indicator. Refer to the table
for more information on LED functionality.
lED Function
Yellow
(permanently on)
D
WALT Tool Tag Ready (Fig. A)
e
Optional Accessory
Your hammer comes with Tool Tag mounting holes
fasteners
11
for installing a D
a T20 bit tip to install the tag.
of the side handle
12
and onto the chisel position index
8
to the desired
Description
service required
The yellow service indicator
LED
lights up to indicate
4
the tool needs servicing
within the next 8 hours of
use (brushes, lubrication and
hammer mechanism sealing).
WALT Tool Tag. You will need
e
2
10
9
and
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