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Malfunction
Excessive nail stand-off
Nail stand-off varies consid-
erably
Shear breakages of fasteners
during fastener driving
Fastening tool does not ex-
tend
Firing not possible
No fastener driven
14
English
Possible cause
Wrong piston used
The fastening tool was rammed
hard against the working surface
Irregular, partly incomplete cycling
Irregular driving energy
The face of the piston is worn or
chipped.
Fastener driven into rib of beam
Supporting material is too thick, or
the thickness has changed
Piston jams in piston brake
Excessive build-up of foreign mat-
ter on the fastening tool
Cartridge strip jams, fastening tool
is overheated
Fastening tool was not cycled cor-
rectly, the cycling grip is not in the
starting position
Trigger pulled before the tool is
fully pressed down
Fastener transport malfunctions
Fastening tool is damaged
The magazine or fastener guide is
not screwed on far enough.
Fastening tool was not cycled cor-
rectly, the cycling grip is not in the
starting position
No fastener inserted in the tool
Magazine nail transport mecha-
nism is faulty
No piston inserted in the tool
Action to be taken
▶ Use the correct equipment
configuration with compatible
piston and fastener.
▶ Avoid ramming the fastening
tool against the work surface.
▶ Cycle the tool completely.
▶ Service the tool.
▶ Contact Hilti service.
▶ Replace the piston and the
piston stopper.
▶ Drive a second fastener beside
the first one.
▶ Check the fastener recommen-
dation. If the type of fastener is
correct, increase driving energy
in accordance with cartridge
recommendations or use a
more powerful cartridge.
▶ Remove the nail magazine or
the fastener guide.
▶ Change the piston and the
piston stopper.
▶ Install the nail magazine or the
fastener guide.
▶ Service the tool.
▶ See the "Cartridge strip cannot
be removed" fault. Adhere to
the maximum fastener driving
rate.
▶ Cycle the fastening tool com-
pletely and set the cycling grip
to the starting position.
▶ Press the fastening tool fully
against the work surface and
then pull the trigger.
▶ Remove the fastener strip.
▶ Check the fastener strip for
damage.
▶ Replace damaged fastener
strips.
▶ Contact Hilti Service.
▶ Screw the magazine tighter.
▶ Cycle the fastening tool com-
pletely and set the cycling grip
to the starting position.
▶ Insert a fastener into the
fastening tool.
▶ Contact Hilti Service.
▶ Insert the piston into the
fastening tool.
282472
*282472*
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