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DeWalt D25911 Manual De Instrucciones página 9

12,3 kg (27 lbs) martillo de demolición sds max
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Electronic Impact Energy Control Dial (Fig. A)
The electronic impact energy control dial 
tool control for precise chiseling with minimal break‑out
when chiseling soft or brittle materials. It also allows the use
of smaller accessories without risk of breakage.
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.
Bail/Loop Style Auxiliary Handle (Fig. B)

WARNING: To reduce the risk of personal injury,
ALWAYS operate the tool with the bail/loop style
auxiliary handle properly installed and securely
tightened. Failure to do so may result in the bail/loop
style auxiliary handle slipping during tool operation
and subsequent loss of control. Hold tool with both
hands to maximize control.
The bail/loop style auxiliary handle 
the gear case and may be rotated 360˚ to permit right‑ or
left‑hand use.
Mounting the Bail/Loop Style Auxiliary
Handle (Fig. B)
1. Widen the ring opening 
auxiliary handle 
 5 
by rotating the screw for handle
mounting 
 6 
 counterclockwise.
2. Slide the assembly onto the nose of the tool through
the ring opening 
 10 
collar 
, past the chisel holder and sleeve.
 3 
3. Rotate the bail/loop style auxiliary handle to the
desired position.
4. Lock the bail/loop style auxiliary handle in place by
securely tightening the screw for handle mounting 
rotating it clockwise so that the assembly will not rotate.
Chisels and Chisel Holder

WARNING: Burn hazard. ALWAYS wear gloves when
changing chisels. Accessible metal parts on the tool
and chisels may get extremely hot during operation.
Small bits of broken material may damage bare hands.

WARNING: Do not attempt to tighten or loosen drill
chisels (or any other accessory) by gripping the front
part of the chuck and turning the tool on. Damage to
the chuck and personal injury may occur.
The demolition hammer can be fitted with various
chisels depending on the desired application. Use sharp
chisels only.
Inserting and Removing SDS Max®
Chisels (Fig. C)
nOTE: Accessories and attachments used must be lubricated
around the SDS Max® fitment before installation.
 7 
offers optimal
clamps to the front of
 5 
 10 
of the bail/loop style
and onto the chisel position index
1. Insert chisel in the tool holder/sleeve 
downward pressure while rotating to secure the chisel
into place. The chisel shank must be clean.
2. Ensure the chisel is properly engaged.
nOTE: The chisel needs to move several centimeters
in and out of the tool holder/sleeve 
properly engaged.
3. To remove the chisel pull back the tool holder/sleeve 
and pull the chisel out.
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.
nOTE: After finding the desired position, slightly
maneuver the chisel back and forth to ensure the chisel is
properly engaged.
Setting the Electronic Impact Energy
Control Dial (Fig. A)
Turn the dial 
 7 
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 chiseling 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).
Wireless Tool Control™ (Fig. A)

CAUTION: Read all safety warnings, instructions and
specifications of the appliance which is paired with
the tool.
,
 6 
Your tool is equipped with a Wireless Tool Control™
transmitter which allows your tool to be wirelessly paired
with another Wireless Tool Control™ device, such as a
D
WALT dust extractor.
e
To pair your tool using Wireless Tool Control™, depress
the trigger switch 
pairing button on the separate device. An LED on the
separate device will let you know when your tool has been
successfully paired.
Service Indicator LED (Fig. A)
Your chipping hammer has one LED, indicating a service
indicator. Refer to the table for more information on
LED functionality.
 4 
to the desired level. The higher the number,
and the Wireless Tool Control™
 1 
English
 4 
and apply
when
 4 
in the direction
 3 
7

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