Fault
No fastener is driven.
The fastener guide can't be
screwed on to the tool fully.
The piston can't be fitted.
The piston guide can't be fit-
ted.
Stiff cycling action.
Printed: 07.07.2013 | Doc-Nr: PUB / 5069850 / 000 / 00
Possible cause
No fasteners in the tool.
The magazine fastener transport
mechanism is faulty.
No piston in the tool.
The piston is broken.
The piston doesn't return to its
starting position.
The fastener guide needs to be
cleaned.
Fasteners are jammed in the
fastener guide.
The piston guide needs to be
cleaned at the end of the threaded
section.
The tool, especially the piston
guide, needs to be cleaned.
Pins are visible in the piston guide.
The lever is in the closed position.
The piston guide is incorrectly po-
sitioned.
The tool needs to be cleaned.
The piston and piston brake have
almost reached the end of their
service life.
The tool is damaged.
Remedy
Load fastener(s) into the tool.
Contact Hilti.
Fit the piston.
Change the piston and piston
brake.
Contact Hilti.
Use the brushes provided to clean
the fastener guide and associated
parts. Lubricate with Hilti spray.
Remove the jammed fasteners.
Remove magazine strip plastic
scraps from the tool magazine.
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.
Clean and lubricate the thread.
Clean the fastener guide and the
tool and refit the piston.
Pull the pins forward until they can
engage.
See section: 8.2.2 Cleaning the
piston guide 9 19 20 21 22
See section: 8.2.2 Cleaning the
piston guide 9 19 20 21 22
Clean the tool.
See section: 8.2.2 Cleaning the
piston guide 9 19 20 21 22
Change the piston and piston
brake.
Contact Hilti.
en
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