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Disconnect the plug from the power source
and/or the battery pack from the power tool
before making any adjustments, changing
accessories, or storing power tools. Such
preventive safety measures reduce the risk of starting
the power tool accidentally.
Store idle power tools out of the reach of
children and do not allow persons unfamiliar
with the power tool or these instructions
to operate the power tool. Power tools are
dangerous in the hands of untrained users.
Maintain power tools. Check for
misalignment or binding of moving parts,
breakage of parts and any other condition
that may affect the power toolʼs operation.
If damaged, have the power tool repaired
before use. Many accidents are caused by poorly
maintained power tools.
Keep cutting tools sharp and clean. Properly
maintained cutting tools with sharp cutting edges are
less likely to bind and are easier to control.
Use the power tool, accessories and tool bits
etc. in accordance with these instructions,
taking into account the working conditions
and the work to be performed. Use of the
power tool for operations different from those intended
could result in a hazardous situation.
Service
Have your power tool serviced by a
qualified repair person using only identical
replacement parts. This will ensure that the safety
of the power tool is maintained.
PRECAUTION
Keep children and infirm persons away. When
not in use, tools should be stored out of reach
of children and infirm persons.
Rotary Hammer Safety Warnings
Wear ear protectors. Exposure to noise can cause
hearing loss.
Use auxiliary handle(s), if supplied with the
tool. Loss of control can cause personal injury.
Hold power tool 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 power tool "live" and could give the operator an
electric shock.
0000Book_BMH40-BL_Wuerth.indb
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Additional Safety Warnings
Ensure that the power source to be utilized conforms
to the power requirements specified on the product
nameplate.
Ensure that the power switch is in the OFF position. If
the plug is connected to a receptacle while the power
switch is in the ON position, the power tool will start
operating immediately, which could cause a serious
accident.
When the work area is removed from the power source,
use an extension cord of sufficient thickness and rated
capacity. The extension cord should be kept as short as
practicable.
Do not touch the bit during or immediately after
operation. The bit becomes very hot during operation
and could cause serious burns.
Before starting to break, chip or drill into a wall, floor
or ceiling, thoroughly confirm that such items as electric
cables or conduits are not buried inside.
Always hold the body handle and side handle of the
power tool firmly. Otherwise the counterforce produced
may result in inaccurate and even dangerous operation.
Wear a dust mask. Do not inhale the harmful dusts
generated in drilling or chiseling operation. The dust
can endanger the health of yourself and bystanders.
Mounting the tool
— To prevent accidents, make sure to turn the switch off
and disconnect the plug from the receptacle.
— When using tools such as bull points, drill bits, etc.,
make sure to use the genuine parts designated by our
company.
— Clean the shank portion of the drill bit. Then smear the
shank portion with the grease or machine oil.
The rotation speed cannot be changed by pressing
the rotation speed selector switch while the motor is
rotating. To change speeds, switch off the tool first.
RCD
The use of a residual current device with a rated
residual current of 30 mA or less at all times is
recommended.
Use only original Würth accessories.
For further notes on safety, refer to the
enclosed sheet.
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2019/03/20
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