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• Consider the producer's specification when selecting the drill bit.
• Check the secure fixing of drill chuck and drill bit before starting work.
• Remove the drill chuck key 7 (if available) before starting the machine (see fig. 3).
• If the machine blocks, higher reaction torques can occur. Blocking can be caused by: overload, tilting of
the drill bit in the work piece or when penetrating the material to be drilled. Do not let the drill bit rumble
on the work piece, as this will most likely increase the vibration. When drilling through-holes, reduce the
contact pressure shortly before the drill bit penetrates the material (for thin walled work pieces there is
the risk that the drill hitches the work piece and lifts it.)
• It is possible that the drill bit keeps on running after the machine has been switched off. Wait until it
stops and deposit the hand-held machine in a secure position.
• Never stop the drill chuck or the drill bit by hand.
SAFETY INSTRUCTIONS FOR PREVENTION OF ENTANGLEMENT HAZARDS
CAUTION – Loose clothing, personal jewellery (e.g. necklace), scarves/ ties, long hair or
gloves can get caught up in the machine tool or accessories and thus cause severe injuries
(lack of breath by throttling, abrasions, skin injuries and/ or cuts and lacerations).
Wear suitable, close fitting work clothing!
Wear a hair net, if you have long hair.
When handling the machine, jewellery, necklaces, etc. have to be removed or are forbidden,
respectively.
SAFETY INSTRUCTIONS FOR PREVENTION OF NOISE HAZARDS
Always wear hearing protection (EN 352) – This refers to the operator, as well as to any
other person within the vicinity of the machine. Observe the instructions of the employer and of
the professional association.
High noise levels during operation can cause permanent hearing problems such as tinnitus
(ringing, buzzing, whistling or humming in the ears), hardness of hearing or even deafness.
· Before starting work, ensure that the provided, respectively the factory-made, sound absorbers are
mounted and in proper condition.
· If possible, use sound absorbing material, in order to avoid ringing noise at the work pieces.
SAFETY INSTRUCTIONS FOR PREVENTION OF VIBRATION HAZARDS
Vibrations can cause disabling damage to the nerves and blood supply of the hands and arms.
· Wear warm clothing and keep your hands warm and dry when working in cold conditions. Exercise
hands and fingers regularly.
· Do not hold the machine tool with the free hand
· Use stands and/or weight balancers, if possible.
· When using a support (e.g. stand) make sure the machine is securely fixed. If no support is used, hold
the machine with light but safe grip in order to support the tool's reaction torque. The tighter the grip the
greater the risk from vibrations.
· Mount the machine as described in the operating instruction booklet in order to avoid unnecessary high
vibrations.
· Stop work immediately, if you feel any numbness, tingling, pain or whitening of fingers or hands. Inform
the employer and consult a doctor.
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