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Before starting work, familiarize yourself with the characteristics of the fastener to be used and with the
technical specifications for the application. Read the operating instructions of the relevant fastener.
1. Position the fastening tool.
2. Hold the fastening tool straight against and perpendicular to the work surface.
3. Compress the fastening tool against the surface.
▶ The fastener is driven.
4. Lift the fastening tool away from the working surface.
5. Load a fastener into the fastening tool.
6. Position the fastening tool at the next point and repeat the steps.
7
Troubleshooting
DANGER
Risk of injury by unsecured fastening tool! If the fastening tool jams in the compressed state or if a
cartridge does not fire, the fastening tool might be loaded with the safety off. Unintentional triggering can
cause severe injuries.
▶ At all times, make sure that the fastening tool is not pointing toward you or anyone else.
▶ Make sure that the fastening tool cannot be fired accidentally and do not hold your hand in front of the
muzzle of the fastener guide.
▶ Keep a fastening tool with the safety off under observation at all times.
▶ Free the jammed components. → page 9
▶ After 2-3 misfires, i.e. no clearly audible firing sound and fasteners are not driven or not driven adequately,
please proceed as follows: → page 10
▶ If a cartridge does not fire, proceed as follows: → page 9
7.1
Fastening tool jams and does not extend
DANGER
Risk of injury by unsecured fastening tool! If the fastening tool jams in the compressed state or if a
cartridge does not fire, the fastening tool might be loaded with the safety off. Unintentional triggering can
cause severe injuries.
▶ At all times, make sure that the fastening tool is not pointing toward you or anyone else.
▶ Make sure that the fastening tool cannot be fired accidentally and do not hold your hand in front of the
muzzle of the fastener guide.
▶ Keep a fastening tool with the safety off under observation at all times.
1. Keep the fastening tool pressed against the work surface for at least 30 seconds and trigger the fastening
tool again.
2. Lift the fastening tool away from the working surface.
Be sure not to point it toward yourself or other persons!
▶
3. Try to pull the fastener guide to its initial position by hand.
Take your hand off the trigger and do not hold your hand in front of the muzzle!
▶
4. Immediately pull the cartridge strip out of the fastening tool.
If the cartridge strip cannot be removed:
▶
▶ Allow the fastening tool to cool down at a safe location under observation.
▶ At all times, make sure that the fastening tool is not pointing toward you or anyone else.
▶ Contact Hilti Service.
5. Service the tool. → page 11
7.2
Cartridge does not fire when fastening tool is above operating temperature
At all times, make sure that the fastening tool is not pointing toward you or anyone else!
If a cartridge does not fire, proceed as follows:
1. Keep the fastening tool pressed against the work surface for at least 30 seconds and trigger the fastening
tool again.
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