Hilti DX860-ENP Operating Instructions Manual page 15

Fastener stand-off varies
considerably. F
Shear breakage.
en
The tool remains
compressed (does not
extend when pressure
is released).
The tool cannot be fired.
No fastener is driven.
The base plate cannot be
screwed on to the tool
fully.
The piston cannot be
fitted.
The piston guide cannot
be fitted.
Stiff cycling action (high
force required to press
the tool down).
If these measures fail to remedy the problem, please contact Hilti.
10
Printed: 10.04.2017 | Doc-Nr: PUB / 5126862 / 000 / 01 Printed: 10.04.2017 | Doc-Nr: PUB / 5126862 / 000 / 00
Irregular driving power.
C Fastener driven into the rib of the
beam.
The supporting material is thicker
and/or of higher strength.
The piston is jammed against the
piston stopper.
The tool needs to be cleaned.
The cartridge strip has jammed, the
tool has overheated.
Trigger pulled before the tool is fully
pressed down.
Fastener transport malfunction.
The tool needs to be cleaned.
The base plate and fastener transport
system are not screwed on fully.
The tool is damaged.
Fastener strip transport mechanism is
defective.
No piston in the tool.
The piston is broken.
The base plate needs to be cleaned.
Fasteners are jammed in the base
plate.
The piston stopper has been inserted
the wrong way round.
The piston guide needs to be cleaned
at the end of the threaded section.
The tool, the piston guide in particular,
needs to be cleaned.
The catch remains in the closed position.
The piston guide is incorrectly
positioned.
The tool needs to be cleaned.
Clean the tool. Replace the wearing
parts. Contact Hilti if irregular driving
power is still experienced.
Reposition the tool and drive another
fastener.
Check that the recommended type of
fastener is being used and then increase
driving power in accordance with
recommendations for the cartridge or,
respectively, use a more powerful
cartridge.
Replace the piston and piston stopper.
(7.4.2)
Clean the tool. (8.2.2)
Please refer to "Cartridge strip cannot
be removed."
Do not exceed the maximum
recommended fastener driving rate.
Press the tool down fully and then pull
the trigger.
Load fastener strip (7.2.1); check that
strip is free to move; remove any dam-
aged or distorted fasteners (7.3.2).
Clean the tool. (8.2.2)
Screw the base plate and fastener
transport system on fully.
Contact Hilti.
Contact Hilti.
Fit the piston.
Replace the piston and piston stopper.
Use the brushes provided to clean the
base plate and associated parts.
Lubricate with Hilti spray.
Remove the jammed fasteners.
Avoid shear breakage (see above).
Avoid missing the beam (driving the
fastener into unsupported sheet metal);
mark the position of the beams
accurately if necessary.
Unscrew and remove the base plate. Fit
the piston stopper the right way round
and screw on the base plate.
Clean and lubricate the thread.
Clean the piston guide and refit the
piston.
Open the catch. (8.2.2)
Position the piston guide correctly when
inserting it. (8.2.2)
Clean the piston guide. Check the piston
for straightness.
Clean the tool. (8.2.1 and 8.2.2)