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Do not use worn-down grinding discs from larger power tools.
Discs intended for larger power tools
are not suitable for the higher speed of a smaller power tool and may break or shatter as a result.
Additional safety instructions for abrasive cutting operations:
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Do not “jam” the cutting disc or apply excessive pressure. Do not attempt to make excessively
deep cuts.
Overstressing the disc increases loading and susceptibility to twisting or binding of the disc
in the cut and the possibility of kickback or disc breakage.
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Do not position your body in front of or behind the rotating disc.
When the disc, at the point of
operation, is moving away from your body, possible kickback may propel the rotating disc and the power
tool directly toward you.
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When the disc is binding or when interrupting a cut for any reason, switch off the power tool and
hold the power tool motionless until the disc comes to a complete stop. Never attempt to remove
the cutting disc from the cut while the disc is in motion otherwise kickback may occur.
Investigate
and take corrective action to eliminate the cause of the disc binding.
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Do not restart the cutting operation in the workpiece. Let the disc reach full speed and carefully
reenter the cut.
The disc may bind, walk up or kick back if the power tool is restarted with the disc in
the workpiece.
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Support panels or oversized workpieces to minimize the risk of disc pinching and kickback.
Large
workpieces tend to sag under their own weight. Supports must be placed under the workpiece near the
line of cut and near the edge of the workpiece on both sides of the disc.
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Use extra caution when making pocket cuts in existing walls or other blind areas.
The protruding
disc may cut gas or water pipes, electrical wiring or objects that can cause kickback.
Special safety instructions for sanding operations:
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Do not use oversized sanding discs. Follow the manufacturer’s specifications regarding sanding
disc size.
Sanding discs that project beyond the edge of the sanding pad may cause tearing of the
sanding disc, stalling of the power tool or kickback, possibly resulting in injury.
2.3 Additional safety instructions
Personal safety
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Use the product only when it is in technically faultless condition.
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Never tamper with or modify the tool in any way.
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Always hold the power tool with both hands on the handles provided. Keep the handles clean and dry.
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Avoid touching rotating parts – risk of injury!
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Wear suitable protective glasses, a hard hat, ear protection, protective gloves and light respiratory
protection while using the power tool.
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Before beginning the work, check the hazard classification of the dust that will be produced. Use an
industrial vacuum cleaner with an officially approved protection class in compliance with the locally
applicable dust protection regulations. Dust from materials such as lead-based paint, certain types of
wood and concrete/masonry/stone containing quartz, minerals or metal may be harmful to health.
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Make sure that the workplace is well ventilated and, where necessary, wear a respirator appropriate for
the type of dust generated. Contact with or inhalation of the dust may cause allergic reactions and/or
respiratory or other diseases among operators or bystanders. Certain kinds of dust are classified as
carcinogenic such as oak and beech dust, especially in conjunction with additives for wood conditioning
(chromate, wood preservative). Material containing asbestos may be handled only by specialists.
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Take breaks between working and do physical exercises to improve the blood circulation in your fingers.
Exposure to vibration during long periods of work can lead to disorders of the blood vessels and nervous
system in the fingers, hands and wrists.
Electrical safety
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Before beginning work, check the working area for concealed electric cables or gas and water pipes.
External metal parts of the power tool may give you an electric shock if you damage an electric cable
accidentally.
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Do not touch the supply cord or extension cord if it is damaged while working. Disconnect the mains
plug from the power outlet. Check the tool’s supply cord at regular intervals and have it replaced by
Hilti
Service if damage is found. Check extension cords at regular intervals and replace them if found to be
damaged.
Using and handling power tools with care
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Do not use cutting discs for grinding.
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Remove the clamping flange from the arbor before fitting a threaded accessory tool.
Printed: 05.09.2016 | Doc-Nr: PUB / 5300419 / 000 / 00
Summary of Contents for AG 125-15DB
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