Assembly And Adjustments - DeWalt D25881 Manual

English
Tool Tag mounting holes
9
Screw for side handle
10
mounting
Date code
11
Intended Use
Your breaker is designed for professional demolition, chipping
and chasing applications in concrete, brick, stone and other
masonry materials.
DO nOT use under wet conditions or in presence of flammable
liquids or gases.
Your breaker is a professional power tool.
DO nOT let children come into contact with the tool.
Supervision is required when inexperienced operators use
this tool.
• Young children and the infirm. This appliance is not
intended for use by young children or infirm persons
without supervision.
• This product is not intended for use by persons (including
children) suffering from diminished physical, sensory or
mental abilities; lack of experience, knowledge or skills
unless they are supervised by a person responsible for their
safety. Children should never be left alone with this product.

ASSEMBLY AND ADJUSTMENTS


WARNING: To reduce the risk of serious personal
injury, turn tool off and disconnect tool 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
locking 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
5. To remove the bit shank pull back the locking sleeve and
pull the bit shank 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.
6
Fasteners (for D WALT
12
e
Tool Tag)
7 and insert the bit shank.
2. Rotate the chisel position index collar
the arrow until the chisel is in the desired position.
Side Handle (Fig. A–C)

WARNING: To reduce the risk of personal injury, ALWAYS
operate the tool with the side handle properly installed.
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 2 clamps to the front of the gear case and 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
collar , past the tool holder
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 will not rotate
Setting the Speed Control (Fig. A)
The speed control allows optimal tool control for precise
chiseling.
Turn the speed control dial
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 breaker has an LED service indicator. Refer to the table for
more information on LED functionality.
lED Function
Yellow
(permanently on)
.
6
D WALT Tool Tag Ready (Fig. A)
e
Optional Accessory
Your tool comes with tool tag mounting holes
for installing a D
fasteners 12
T15 bit tip to install the tag.
in the direction of
3
13 of the side handle
13 and onto the chisel position index
and locking sleeve
6
to the desired level. The higher
8
Description
service required
The yellow service indicator
LED 4 lights up to indicate
the tool needs servicing
within the next 8 hours of
use (brushes, lubrication and
hammer mechanism sealing).
9
WALT Tool Tag. You will need a
e
2
10
.
7
10
and