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▶ Use special care when working corners, sharp edges etc. Avoid bouncing and snagging the
accessory. Corners, sharp edges or bouncing have a tendency to snag the rotating accessory and
cause loss of control or kickback.
▶ Do not attach a saw chain, woodcarving blade, segmented diamond wheel with a peripheral gap
greater than 10 mm or toothed saw blade. Such blades create frequent kickback and loss of control.
▶ Do not "jam" the wheel or apply excessive pressure. Do not attempt to make an excessive depth
of cut. Overstressing the wheel increases the loading and susceptibility to twisting or binding of the
wheel in the cut and the possibility of kickback or wheel breakage.
▶ When wheel is binding or when interrupting a cut for any reason, switch off the power tool and hold
the power tool motionless until the wheel comes to a complete stop. Never attempt to remove the
wheel from the cut while the wheel is in motion otherwise kickback may occur. Investigate and take
corrective action to eliminate the cause of wheel binding.
▶ Do not restart the cutting operation in the workpiece. Let the wheel reach full speed and carefully
re-enter the cut. The wheel may bind, walk up or kickback if the power tool is restarted in the workpiece.
▶ Support panels or any oversized workpiece to minimize the risk of wheel 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 wheel.
▶ Use extra caution when making a "pocket cut" into existing walls or other blind areas. The
protruding wheel may cut gas or water pipes, electrical wiring or objects that can cause kickback.
2.3
Additional safety instructions
Personal safety
▶ Never tamper with or modify the power tool in any way.
▶ Dust from materials such as paint containing lead, some types of wood, minerals and metal can be
harmful to health. Contact with or inhalation of the dust may cause allergic reactions and/or respiratory
or other diseases to the operator or bystanders. Certain kinds of dust such as oak and beech wood dust
are classified as carcinogenic, especially in conjunction with additives for wood conditioning (chromate,
wood preservative). Working on materials hazardous to health (e.g. asbestos) is not permissible. Use a
dust removal system that is as effective as possible. Accordingly, use a suitable vacuum cleaner
of the type recommended by Hilti for wood dust and/or mineral dust and which is designed for use
with this power tool.
▶ Before starting work, check the hazard class of the dust that will be produced when working. Use
an industrial vacuum cleaner with an officially approved protection class in compliance with the
locally applicable dust protection regulations.
▶ Comply with national regulations applicable to the materials you will be working with.
▶ Ensure that the workplace is well ventilated. Exposure to dust at a poorly ventilated workplace may
result in damage to the health.
▶ Use light respiratory protection when the tool is used without a dust removal system. It is advisable
to wear a filter class P2 dust mask.
▶ Wear eye protection. Flying fragments present a risk of injury to the body and eyes.
▶ Always hold the tool firmly with both hands on the grips provided. Keep the grips dry, clean and
free from oil and grease.
▶ Wear protective gloves when changing accessory tools as they get hot during use.
▶ Wear ear protectors. Exposure to noise can cause hearing loss.
▶ Take breaks between working and do relaxation and finger exercises to improve the blood
circulation in your fingers.
Electrical safety
▶ Before beginning work, check the working area (e.g. using a metal detector) to ensure that no concealed
electric cables or gas and water pipes are present. External metal parts of the power tool may become
live, for example, when an electric cable is damaged accidentally. This presents a serious risk of electric
shock.
▶ Check the machine's electric supply cable at regular intervals and have it replaced by a qualified
electrical specialist if found to be damaged. If the power tool's supply cord is damaged it must be
replaced with a specially-prepared and approved supply cord available from Hilti Service.
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2208336
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