Operating Instruction DX 351-BT, DX 351-BTG (01)

12
en
The thread on the stud is
damaged
Fault Possible cause
■ Fastener guide damaged
Remedy
■ Replace the fastener guide.
Stud doesn’t hold in the base
material
■ 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
■ 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.
Piston jams in the piston guide ■ Damaged piston
■ Carbon build-up
■ Remove the cartridge strip
■ Piston guide
■ Check the piston and replace it if
necessary
■
Clean the tool
Trigger can’t be pulled ■ Tool not pressed fully against the
work surface
■ Piston fitted incorrectly
■ Tool defective
■
Press the tool fully against the
work surface.
■
Fit the piston correctly.
■
Contact your Hilti Center.
Printed: 20.08.2013 | Doc-Nr: PUB / 5126352 / 000 / 01