Problems With Fasteners To Be Driven Into Concrete - Hilti DX 5 Operating Instructions Manual

Malfunction
No fastener driven: The tool
fires, but no fastener is
driven.
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.
10
Possible cause
The piston is incorrectly
positioned.
The tool was not pressed fully
against the working surface.
The magazine is not loaded.
Plastic fragments in the magazine.
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
Action to be taken
▶ Remove the cartridge strip and
clean the tool.
▶ Check the piston and buffer and
replace if necessary.
▶ Press the tool fully against the
working surface.
▶ Load the magazine.
▶ Open the magazine, remove the
nail strip and plastic fragments.
▶ 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.