Hilti DX 9-HSN, Original Operating Instructions

Page: 26 / 72

18 English 2194029
*2194029*
Trouble or fault Possible cause Action to be taken
Insufficient nail stand-off
The piston and piston brake are
worn and/or damaged.
▶
Change the piston and piston
brake together (as a set).
The piston brake wasn’t fitted.
▶
Fit the piston brake into the
base plate.
Space between metal sheet
and profile.
Space between metal sheet and
profile
▶
Avoid gaps between profile and
beam, or secure the beam on
the correct side.
Metal sheet is deformed
Beam missing as sub-structure
▶
Mark the beam at the correct
position before positioning
the power tool for driving the
fastener.
Excessive nail stand-off
The fastener is too close to the
edge of the beam.
▶
Mark the position of the beam
and drive another fastener.
Driving power is too low.
▶
Increase the driving power
(adjust the power regulation) or
use more powerful cartridges –
if available.
The tool is clogged with dirt.
▶
Clean the tool.
The piston is broken.
▶
Change the piston and piston
brake together (as a set).
The tool is damaged.
▶
Contact Hilti Service.
Shear breakage. The fastener was driven into the rib
of the beam.
▶
Mark the position of the rib of
the beam and then drive another
fastener alongside.
The fasteners are not suitable for
the supporting material.
▶
Use only the fasteners specified
for the material for which they
are intended, in accordance
with the instructions.
The supporting material is thicker
and/or of higher strength
▶
Increase the driving power
(adjust the power regulation) or
use more powerful cartridges –
if available.
▶
If the fastener cannot be driven
correctly even with the tool set
to the highest power setting,
the application is unsuitable.
Contact Hilti Service.
The piston jams in the piston
brake.
▶
Turn the rotating sleeve and
change the piston and piston
brake together (as a set).
→ page 13.
The piston guide is clogged with
dirt.
▶
If necessary, turn the rotating
sleeve, disassemble the base
plate → page 14 and clean the
piston guide → page 14.
The tool remains compressed
(does not extend when pres-
sure is released).
The piston jams in the piston
brake.
▶
Turn the rotating sleeve and
change the piston and piston
brake together (as a set).
→ page 13.