Hilti DX 9-ENP Mode D'emploi page 21

1. Press the nose of the tool in a few millimeters and open the rotating sleeve → page 8.
◁ The catch should then be accessible, making it possible to release the tool.
2. Remove the cartridges from the tool. → page 9
3. Check the piston and piston brake and replace these parts if necessary. → page 10
4. Clean the fastening tool. → page 11
5. Close the rotating sleeve. → page 8
7.3 Troubleshooting
If the trouble you are experiencing is not listed in this table or you are unable to remedy the problem by
yourself, please contact Hilti Service.
Trouble or fault
The cartridges are not trans-
ported.
The cartridge strip cannot be
removed.
The tool doesn't fire.
Fastener stand-off is too low.
Fastener stand-off is too high. The fastener is too close to the
Printed: 28.06.2017 | Doc-Nr: PUB / 5359691 / 000 / 00
Possible cause
The cartridge strip is damaged.
The tool is damaged.
The tool is damaged.
Misfire
The cartridge strip is used up.
There are less than 15 fasteners in
the tool.
The tool is not adequately com-
pressed.
Fastener transport malfunction.
The tool is clogged with dirt.
The cartridges are unsuitable.
The tool is damaged.
The fastener missed the beam.
Driving power is too high.
The piston is worn.
The wrong piston has been fitted.
edge of the beam.
Driving power is too low.
The tool is clogged with dirt.
Action to be taken
▶ Change the cartridge strip. Do
not attempt to forcibly remove
cartridges or the cartridge strip.
▶ Contact Hilti Service.
▶ Contact Hilti Service.
▶ Remedy the malfunction.
→ page 12
▶ Remove the cartridge strip from
the tool.
▶ Insert a new cartridge strip.
▶ Load new fastener strips.
▶ Press the nose of the tool
against the working surface
again and pull the trigger.
▶ Check that the fastener strips
are free to move.
▶ Remove any damaged or
defective cartridge strips or
strips containing damaged or
defective fasteners.
▶ Clean the tool.
▶ Contact Hilti Service.
▶ Do not attempt to forcibly
remove cartridges or the
cartridge strip.
▶ Contact Hilti Service.
▶ Mark the position of the beam
and drive another fastener.
▶ Reduce the driving power
(adjust the power regulation) or
use less powerful cartridges – if
available.
▶ Change the piston and piston
stopper together (as a set).
▶ Check that the right piston /
fastener combination is used.
▶ Mark the position of the beam
and drive another fastener.
▶ Increase the driving power
(adjust the power regulation) or
use more powerful cartridges –
if available.
▶ Clean the tool.
English 13