Hilti DX 6 Manual De Instrucciones Original página 45

9.1 Problems with fasteners
Malfunction
Fastener driving depth varies
The fastener bends
The fastener is not driven
flush
Concrete spalling
*2232121*
Possible cause
Incorrect piston position
Excessive build-up of foreign mat-
ter on the fastening tool.
Piston bounce because driving
energy is too high.
Hard material (steel, concrete).
Hard and/or large aggregates in
the concrete.
A rebar is located just below the
concrete surface.
Wrong fastener.
Wrong power setting.
Hard and/or large aggregates in
the concrete.
A rebar is located just below the
concrete surface.
Hard material (steel, concrete).
Hard and/or large aggregates in
the concrete.
2232121
Action to be taken
▶ Remove the cartridge strip and
service the tool.
▶ Check the piston and buffer and
replace if necessary.
▶ Clean the fastening tool.
▶ If necessary, have the fastening
tool checked by Hilti Service.
▶ Turn the selector ring for driving
energy to reduce driving energy.
▶ Turn the selector ring for driving
energy to increase driving
energy.
▶ Use a shorter nail.
▶ Use a nail with a higher
application limit.
▶ For concrete: Use the DX-Kwik
method (predrilling) → see the
'Direct Fastening Technology
Manual'.
▶ Use the DX-Kwik method
(predrilling).
▶ Drive the fastener at a different
position.
▶ Match the length of the fastener
to the thickness of the compo-
nent.
▶ Change the energy setting on
the fastening tool.
▶ Use the DX-Kwik method
(predrilling).
▶ Drive the fastener at a different
position.
▶ Turn the selector ring for driving
energy to increase driving
energy.
▶ Use a shorter nail.
▶ Use a nail with a higher
application limit.
▶ For concrete: Use the DX-Kwik
method (predrilling) → see the
'Direct Fastening Technology
Manual'.
▶ Use the DX-Kwik method
(predrilling).
English 37