The tool and its ancillary equipment may present hazards when used incorrectly by untrained personnel or when used
not as directed.
The tool may be operated, serviced and repaired only by trained personnel. This personnel must be informed of any
special hazards that may be encountered.
As with all powder-actuated fastening tools, the tool, cartridges and fasteners form a technical unit. This means that
trouble-free fastening with this system can be assured only if the Hilti fasteners and cartridges specially manufactured
for it, or products of equivalent quality, are used. The fastening and application recommendations given by Hilti apply
only when these conditions are observed.
The tool features a 5-way safety system for the safety of the user and all bystanders.
3.2 Piston principle
The energy from the propellant charge is transferred to a piston, the accelerated mass of which drives the fastener into
the base material. Due to use of this piston principle, the tool is classified as a “low velocity tool”. As approximately
95% of the kinetic energy is absorbed by the piston, the fastener is driven into the base material in a controlled fashion
at much reduced velocity (less than 100 m/s). The driving process ends when the piston is stopped at the end of its
travel. This makes dangerous through-shots virtually impossible when the tool is used correctly.
3.3 Drop-firing safety device
The drop-firing safety device is the result of coupling the firing mechanism with the cocking movement. This prevents
the tool from firing when dropped onto a hard surface, no matter at which angle the impact occurs.
3.4 Trigger safety device
The trigger safety device prevents the tool firing when only the trigger is pulled. The tool must be pressed against a
firm surface before a fastener can be released.
3.5 Contact pressure safety device
The tool can be fired only when pressed fully against a firm surface with a force of at least 50 N.
3.6 Unintentional firing safety device
The tool is also equipped with an unintentional firing safety device. This prevents the tool from firing if the trigger is first
pulled and the tool then pressed against the work surface. The tool can be fired only when it is first pressed correctly
against the work surface and the trigger subsequently pulled.
3.7 Range of fasteners available for various applications
Fasteners
Ordering designation
Application
X-U
High-strength nail for fastening on high-
strength steel and concrete in a wide range
of applications
X-C
Standard nail for fastening on concrete
X-S
Standard nail for efficient fastening on steel
X-CT
Easily removable nail for fastening form-
work temporarily on concrete
X-CR
Stainless steel nail for fastening in damp or
corrosive surroundings
X-CP / X-CF
Special fastener for timber structures on
concrete
X-FS
Fastener for positioning formwork
X-SW
Flexible washer fastener for fastening
plastic sheeting and thin insulating
materials to concrete and steel
X-HS / X-HS-W
Suspension system with threaded connec-
tion
X‑CC
Fastening clip for wire hangers
en
20
Printed: 14.04.2014 | Doc-Nr: PUB / 5069866 / 000 / 03
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