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Nail lengths for concrete
ET
en
8 Operation
WARNING
The tool can be made ready to fire by pressing the
nosepiece against a part of the body (e.g. a hand). When
the tool is ready to fire, fasteners or the piston could be
driven inadvertently into parts of the body. Never press
the tool against parts of the body.
WARNING
The material may splinter or fragments of the magazine
strip may fly off when the fastener is driven. The user of
the tool and other persons in the immediate vicinity
must wear suitable eye protection and a hard hat.
Splintering material presents a risk of injury to the eyes
and body.
CAUTION
The fastener driving action is initiated by ignition of a pro-
pellant charge. The user of the tool and other persons
in the immediate vicinity must wear ear protectors.
Exposure to noise can cause hearing loss.
WARNING
Never redrive a fastener. This may cause the fastener
to break and the tool may jam.
WARNING
Never drive fasteners into existing holes unless this
is recommended by Hilti (e.g. DX‑Kwik).
CAUTION
If the tool has overheated, allow it to cool down. Do
not exceed the recommended fastener driving rate.
8.1 Procedure if a cartridge fails to fire
If a cartridge fails to fire or misfires, always proceed as
follows:
Keep the nose of the tool pressed at right angles against
the working surface for 30 seconds.
22
ET
Depth of penetration: 22 mm (max. 27 mm) (⁷⁄₈"
(max. 1"))
If the cartridge still fails to fire, withdraw the tool from the
working surface, taking care to avoid pointing it toward
your body or toward bystanders.
Load the next cartridge on the strip by cycling the tool.
Use up the remaining cartridges on the strip and remove
the used cartridge strip from the tool. The (partly) used
cartridge strip must then be disposed of appropriately to
prevent further use or misuse of any unfired cartridges.
8.2 Loading the tool 3
1.
Push the nail, head first, into the nose of the tool
from the front until it is held in place in the tool by
the washer on the nail.
2.
Push the cartridge strip, narrow end first, into the
grip of the tool from below until the full length of the
cartridge strip is inside the grip.
3.
If you wish to use a partly-used cartridge strip, pull
the strip upwards by hand out of the tool slightly until
the first unused cartridge is in place in the cartridge
chamber.
8.3 Setting the power level
1.
Select the cartridge power level according to the
application to be carried out.
2.
If you cannot estimate this on the basis of previous
experience, always begin with the lowest power.
Select the lowest power level according to the color
code.
3.
Drive a nail.
If the nail is not driven deeply enough, use a more
powerful cartridge if necessary or, alternatively, use
a shorter nail.
8.4 Driving a fastener 4
WARNING
Always observe the safety rules listed in the operating
instructions.
1.
Press the tool against the working surface at right
angles.
2.
Drive the fastener by pulling the trigger.
8.5 Cycling the tool 5
CAUTION
Do not use a swinging movement to cycle the tool
(piston return and cartridge transport). The swinging
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