Hilti DX 351 BT Mode D'emploi page 17

Fault
The thread on the stud is
en
damaged
Stud doesn't hold in the base
material
Piston jams in the piston guide
Trigger can't be pulled
12
Printed: 20.08.2013 | Doc-Nr: PUB / 5069825 / 000 / 02
Possible cause
Fastener guide damaged
■
Steel base material too thin
■
(< 8 mm)
Hole damaged or previously used
■
Driving power too low
■
Hole not deep enough
■
Wrong drill bit used
■
Dirt/debris in hole
■
Damaged piston
■
Carbon build-up
■
Tool not pressed fully against the
■
work surface
Piston fitted incorrectly
■
Tool defective
■
Remedy
Replace the fastener guide.
■
Drive studs only on steel base
■
material ≥ 8 mm.
Drill new hole.
■
Increase driving power.
■
Drill to correct depth
■
=> visible ring .
Use correct drill bit
■
Remove liquids, debris or other
■
foreign matter from the hole
before installing the stud.
Remove the cartridge strip
■
Piston guide
■
Check the piston and replace it if
■
necessary
■ Clean the tool
■ Press the tool fully against the
work surface.
■
Fit the piston correctly.
■
Contact your Hilti Center.