Hilti DX 351-CT, Operating Instructions Manual

Page: 31 / 104

Fault Possible cause Remedy
The piston jams in the fastener
guide.
The piston is damaged. Unscrew the black housing.
Check the piston and replace it if ne-
cessary.
Use of excessively high driving power
on steel.
Reduce the driving power.
Firing the tool at a high power setting
without a fastener loaded.
Avoid firing the tool without a fastener
loaded.
The nail bends. Hard and/or large aggregates in the
concrete.
Use a shorter fastener if permissible.
A rebar is located just below the con-
crete surface.
Use a nail with a higher application
limit.
Hard surface. Use a different system.
Concrete spalling. High-strength concrete. Hard and/or
large aggregates in the concrete. Old
concrete.
Adjust the driving power.
Use a different system. e.g. DX-Kwik.
The fastener doesn’t penetrate
the concrete deeply enough.
Driving power is too low. Increase driving power or use a more
powerful cartridge.
The application limits have been ex-
ceeded (very hard material).
Use a stronger fastener.
en
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Printed: 17.04.2014 | Doc-Nr: PUB / 5069829 / 000 / 03