Hilti GX 3 Mode D'emploi page 20

▶ Only activate the trigger when the setting tool is pressed against the base material in such a way that the
fastener guide is plunged into the setting tool as far as it will go.
▶ Always wear gloves if you have to carry out maintenance work on the setting tool while it is still
hot.
▶ If fasteners are driven at a high rate or if the tool used for a long period, surfaces of the tool beyond the
grip areas may get hot. Wear protective gloves to avoid burning injuries.
▶ If the setting tool overheats, remove the gas can and allow the tool to cool down. Do not exceed the
specified maximum fastener driving rate.
▶ Driving fasteners may cause flying fragments or result in parts of the nail strip material being forcibly
ejected from the tool. Flying fragments present a risk of injury to the body and eyes. Wear a suitable
form of eye protection, ear protectors and a hard hat. Depending on the application and type of tool
in use, wearing personal protective equipment such as a dust mask, non-slip safety footwear, hard hat
or suitable eye protection and ear protection reduces the risk of injury. Other persons in the vicinity must
also wear eye protection and a hard hat.
▶ Wear suitable ear protection (see noise information in the technical data section). The fastener is driven
by the energy released on ignition of a gas-air mixture. The resulting noise exposure may cause damage
to the hearing. Other persons in the vicinity should also wear suitable ear protection.
▶ When driving a fastener, always hold the setting tool securely and at right angles to the supporting
material. This helps to avoid deflection of the fastener by the supporting material.
▶ Never drive a second fastener at the same location. This may lead to breakage or jamming of fasteners.
▶ Never attempt to redrive a previously driven stud or nail. Re-use of a fastener may cause it to break,
thereby presenting a risk of injury.
▶ Alway remove the gas can and ( → page 21) empty the magazine ( → page 21) before changing the
magazine, before cleaning, servicing or maintenance work on the tool, before storage or transport and
before leaving the setting tool unattended.
▶ After use, lay the tool flat on the floor. A tool that is mounted on a pole tool extension and left leaning
against a wall presents a risk of injury as it may fall over.
▶ When lowering (tilting) the pole tool extension, do not hold the pole only at its lower end. The considerable
leverage exerted may cause you to lose control over the tilting movement of the pole and tool. This may
result in injury and damage to the equipment or other property.
▶ To ensure that the setting tool functions faultlessly and as intended, always check the tool and accessories
for possible damage before use. Check that moving parts function faultlessly, without sticking, and that
no parts are damaged. In order to ensure faultless operation of the tool, all parts must be fitted correctly
and must meet the necessary requirements. Damaged protective devices or other parts must be properly
repaired or replaced by Hilti Service unless otherwise stated in the operating instructions.
▶ Have the setting tool repaired only by trained and qualified specialists using genuine Hilti spare parts.
This will ensure that the safety of the setting tool is maintained.
▶ Tampering with or modification of the setting tool is not permissible.
▶ Do not use the setting tool where there is a risk of fire or explosion.
▶ Take influences of the surrounding area into account. Do not expose the setting tool to rain or snow and
do not use it in damp or wet conditions.
▶ Use the setting tool only in well-ventilated working areas.
▶ Select the correct combination of fastener guide and fastener. The wrong combination may result in
damage to the tool and in reduced fastening quality.
▶ Always observe the application guidelines .
Hazards presented by electricity
▶ 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.
▶ Hold the setting tool only by the insulated grip when working in areas where fasteners may be driven
inadvertently into concealed electric cables. Contact with a live electric cable may cause metal parts of
the tool also to become live, leading to a risk of electric shock.
Instructions for handling the propellant gas
▶ Observe the instructions printed on the gas can and in the accompanying information.
▶ Escaping gas is harmful to the lungs, skin and eyes. Keep your face and eyes away from the gas can
compartment for up to about 10 seconds after removing the gas can.
▶ Do not operate the gas can valve manually.
▶ If a person has inhaled gas, take the person into the open air or into a well-ventilated area and place the
person in a comfortable position. Consult a doctor if necessary.
16 English
Printed: 28.09.2017 | Doc-Nr: PUB / 5261697 / 000 / 01