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Malfunction
Fastener cannot be tight-
ened with the correct torque,
threaded stud does not hold
in the base material.
Thread of the stud is dam-
aged
Stud does not hold in base
material
9.4
Problems with the cartridges
Malfunction
The cartridge strip doesn't
advance
Cartridge strip is difficult to
remove.
The cartridge doesn't fire
*377627*
Possible cause
Damaged drillhole or drillhole was
already used
Wrong drill bit used
Torque too high
Damaged fastener guide
Supporting steel too thin (<8 mm)
Damaged drillhole or drillhole was
already used
Wrong power setting
Insufficient drilling depth
Wrong drill bit used
Foreign matter in drillhole
Possible cause
The cartridge strip is damaged.
Excessive build-up of foreign mat-
ter on the fastening tool.
Fastening tool damaged.
Wrong cartridge strip used
Trigger not fully pulled
Fastening tool overheated.
Build-up of combustion residues.
Bad cartridge.
Fastening tool dirty.
Fastening tool was not pressed
fully against the working surface.
Wrong combination of fastener,
fastener guide, etc.
377627
Action to be taken
▶ Drill a new drillhole
▶ Use the correct drill bit
▶ Use appropriate torque
▶ Replace the fastener guide
▶ Drive fasteners only into sup-
porting steel of thickness >8
mm.
▶ Drill a new drillhole
▶ Check the power setting with
the power regulation gauge.
▶ Make sure drilling depth is
correct (visible ring)
▶ Use the correct drill bit
▶ Remove liquids, swarf or other
foreign matter from the drillhole.
Action to be taken
▶ Change the cartridge strip.
▶ Clean the fastening tool.
▶ If necessary, have the fastening
tool checked by Hilti Service.
▶ Contact Hilti Service.
▶ Use only cartridge strips of a
type intended for use with the
fastening tool.
▶ Always pull the trigger to the
full extent of its travel to drive a
fastener.
▶ Allow the fastening tool to
cool down under constant
observation.
▶ Subsequently, carefully remove
the cartridge strip from the
fastening tool.
▶ Service the tool.
▶ Insert new cartridge strip.
▶ Pull the cartridge strip through
to the next cartridge.
▶ Service the tool.
▶ Press the fastening tool fully
against the working surface.
▶ Check that the combination of
fastener, fastener guide, etc. is
correct for your application.
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