Malfunction
The tool cannot be fired.
The piston jams in the fas-
tener guide.
The fastener guide in the
magazine jams.
7.2
Problems with fasteners to be driven into concrete
Malfunction
Fastener driving depth varies.
The fastener bends.
The fastener is not driven
flush.
28
English
Printed: 30.05.2018 | Doc-Nr: PUB / 5433084 / 000 / 00
Possible cause
The piston is incorrectly
positioned.
Nails in the magazine are not cor-
rectly positioned.
The piston and/or buffer are dam-
aged.
Plastic fragments in the magazine.
Use of excessively high driving
power on steel.
Firing the tool at a high power set-
ting without a fastener loaded.
The magazine is damaged.
Possible cause
The piston is incorrectly
positioned.
The tool has too much built-up dirt
and residues.
Hard surface (steel, concrete).
Hard aggregates in concrete
A rebar is located just below the
concrete surface.
Wrong fastener.
Wrong power setting.
Hard aggregates in concrete
Action to be taken
▶ Remove the cartridge strip and
clean the tool.
▶ Check the piston and buffer and
replace if necessary.
▶ Reload the tool.
▶ Unscrew the magazine, check
the piston and buffer and
replace if necessary.
▶ Open the magazine, remove the
nail strip and plastic fragments.
▶ Reduce the driving power.
▶ Avoid firing the tool without a
fastener loaded.
▶ Replace the magazine.
Action to be taken
▶ Remove the cartridge strip and
clean the tool.
▶ Check the piston and buffer and
replace if necessary.
▶ Service the tool.
▶ If necessary, have the tool
checked by Hilti Service.
▶ Increase driving power (adjust
power regulating wheel).
▶ Use a more powerful cartridge.
▶ Use the single-fastener tool
instead of the magazine tool.
▶ Use a shorter nail.
▶ Use a nail with a higher
application limit.
▶ Drive the fastener in at a
different position.
▶ Use a fastener of the correct
length for the insulation thick-
ness.
▶ Adjust the power setting on the
tool.
▶ Use a more powerful cartridge.
▶ Use the single-fastener tool
instead of the magazine tool.
2211871
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