Operation - Hilti BX 3-BT User Manual

4. Slide the fastener guide into the nosepiece until it engages with an audible click.
Check that the black protective cap on the fastener guide is in full working order. Replace the
black protective cap if it is not in full working order.
5. Release the fastener guide locking catch.
➥ The fastener guide locking catch jumps to the middle position.
6. Grip and pull the fastener guide to check that it is securely seated.
5.6 Setting fastener driving depth
1. Turn the fastener driving depth adjuster to the required driving depth.
2. Check the quality of the fastening in accordance with the instructions supplied with the fasteners.
Select the power level that suits the application.
If you have no previous experience of using the tool, always begin with the lowest power.
6

Operation

6.1 Switching on the fastening tool
WARNING
Risk of injury! Pressing the nosepiece of the fastening tool against a part of the body may lead to serious
injury due to inadvertent firing and release of a fastener.
▶ Never press the nosepiece of the tool against your hand or any other part of the body.
WARNING
Risk of injury! Under certain circumstances, pulling the fastener guide back by hand could make the tool
ready to fire. When the tool is ready to fire, fasteners or the piston could be driven inadvertently into parts of
the body.
▶ Never attempt to pull the fastener guide back by hand.
▶ Press the on/off button.
➥ The spring mechanism audibly builds up tension and the status indicator shows green.
Battery performance drops at low temperatures.
When battery performance drops, tensioning of the spring mechanism takes longer than with a
fully charged battery.
If you continue to operate the fastening tool after battery performance drops, the fastening tool
will switch itself off automatically before damage to the battery cells occurs.
6.2 Switching off the fastening tool
▶ Press the on/off button.
➥ The spring mechanism audibly relieves its tension and the status indicator goes out.
6.3 Driving a fastener
WARNING
Risk of injury by flying parts! When fasteners are being driven, there is a risk of injury to the body and eyes
caused by material splintering off the working surface and also if there are foreign bodies in the area of the
fastener guide.
▶ Wear personal protective equipment and always wear protective glasses and protective gloves.
Other persons in the vicinity must also wear eye protection and a hard hat.
▶ Never attempt to remedy tool malfunctions by continuing to trigger the tool.
WARNING
Risk of injury! Pressing the nosepiece of the fastening tool against a part of the body may lead to serious
injury due to inadvertent firing and release of a fastener.
▶ Never press the nosepiece of the tool against your hand or any other part of the body.
20 English
Printed: 20.09.2019 | Doc-Nr: PUB / 5514237 / 000 / 00
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