Operating Instruction DX 5 (01)

16 English
Malfunction Possible cause Action to be taken
The tool cannot be fired.
Nails in the magazine are not cor-
rectly positioned.
▶ Reload the tool.
The piston jams in the fas-
tener guide.
The piston and/or buffer are dam-
aged.
▶ Unscrew the magazine, check
the piston and buffer and
replace if necessary.
Plastic fragments in the magazine. ▶ Open the magazine, remove the
nail strip and plastic fragments.
Use of excessively high driving
power on steel.
▶ Reduce the driving power.
Firing the tool at a high power set-
ting without a fastener loaded.
▶ Avoid firing the tool without a
fastener loaded.
The fastener guide in the
magazine jams.
The magazine is damaged. ▶ Replace the magazine.
7.2 Problems with fasteners to be driven into concrete
Malfunction Possible cause Action to be taken
Fastener driving depth varies.
The piston is incorrectly
positioned.
▶ Remove the cartridge strip and
clean the tool.
▶ Check the piston and buffer and
replace if necessary.
The tool has too much built-up dirt
and residues.
▶ Service the tool.
▶ If necessary, have the tool
checked by Hilti Service.
The fastener bends.
Hard surface (steel, concrete). ▶ Increase driving power (adjust
power regulating wheel).
Hard aggregates in concrete ▶ Use a more powerful cartridge.
▶ Use the single-fastener tool
instead of the magazine tool.
A rebar is located just below the
concrete surface.
▶ Use a shorter nail.
▶ Use a nail with a higher
application limit.
▶ Drive the fastener in at a
different position.
The fastener is not driven
flush.
Wrong fastener. ▶ Use a fastener of the correct
length for the insulation thick-
ness.
Wrong power setting. ▶ Adjust the power setting on the
tool.
Hard aggregates in concrete ▶ Use a more powerful cartridge.
▶ Use the single-fastener tool
instead of the magazine tool.
Printed: 29.09.2017 | Doc-Nr: PUB / 5292580 / 000 / 01