Hilti DX 5 Original Operating Instructions page 19

Malfunction
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.
Concrete spalling.
Damaged fastener head.
Printed: 29.09.2017 | Doc-Nr: PUB / 5292579 / 000 / 01
Possible cause
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
A rebar is located just below the
concrete surface.
Hard surface (steel, concrete).
Hard/old concrete.
Hard aggregates in concrete
Driving power is too high.
Action to be taken
▶ 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.
▶ Use a shorter nail.
▶ Use a nail with a higher
application limit.
▶ Drive the fastener in at a
different position.
▶ Increase driving power (adjust
power regulating wheel).
▶ Driving threaded studs: Spall
stop: X-SS...
▶ Use a more powerful cartridge.
▶ Use the single-fastener tool
instead of the magazine tool.
▶ Reduce driving power (adjust
the power regulating wheel).
▶ Use a less powerful cartridge.
▶ Use the nails with a "top hat".
▶ Use the nails with a washer.
English 11