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• Hold power tools by insulated gripping
surfaces when performing an operation
where the cutting accessory may contact
hidden wiring or its own cord. Cutting
accessory contacting a "live" wire may make
exposed metal parts of the tool "live" and could
give the operator an electric shock.
• Be certain that the material being drilled does
not conceal electric or gas service and that
their locations have been verified with the utility
companies.
• Keep a firm grip on the tool at all times. Do not
attempt to operate this tool without holding it
with both hands. Operating this tool with one
hand will result in loss of control. Breaking
through or encountering hard materials such as
re-bar may be hazardous as well. Tighten the
side handle securely before use.
• Ensure the chisel is secured in place before
operating the tool.
• In cold-weather conditions or when the tool
has not been used for a longer period of time,
let the tool run with no load for several minutes
before use.
• When working above ground level ensure the
area below is clear.
• Do not touch the chisel or the parts close to the
chisel immediately after operation, as they may
be extremely hot and cause burns to the skin.
• Always direct the power cable to the rear, away
from the chisel.
• Do not operate this tool for long periods of
time. Vibration caused by hammer action may
be harmful to your hands and arms. Use gloves
to provide extra cushion and limit exposure by
taking frequent rest periods.
Residual Risks
The following risks are inherent to the use of
demolition hammers:
– Injuries caused by touching the hot parts of the
tool.
In spite of the application of the relevant safety
regulations and the implementation of safety
devices, certain residual risks cannot be avoided.
These are:
– Impairment of hearing.
– Risk of squeezing fingers when changing the
accessory.
– Health hazards caused by breathing dust
developed when working in concrete and/or
masonry.
28
Markings on Tool
The following pictograms are shown on the tool:
Read instruction manual
before use.
Wear ear protection.
Wear eye protection.
DATE CODE POSITION (FIG. 1)
The Date Code (q), which also includes the year of
manufacture, is printed into the housing.
Example:
2013 XX XX
Year of Manufacture
Package Contents
The package contains:
1 Demolition hammer
1 Side handle
1 Pointed chisel (D25902, D25941)
1 Plastic case
1 Instruction manual
1 Exploded drawing
• Check for damage to the tool, parts or
accessories which may have occurred during
transport.
• Take the time to thoroughly read and
understand this manual prior to operation.
Description (fi g. 1)
WARNING: Never modify the power
tool or any part of it. Damage or
personal injury could result.
a. On/off switch
b. Main handle
c. Electronic impact energy control dial (D25902)
d. Chisel position index collar
e. Tool holder/sleeve
f. Side handle
INTENDED USE
The D25899, D25902 and D25941 heavy-duty
demolition hammers are designed for heavy-duty
demolition, chipping and chasing applications.