8.1 Care of the tool
Clean the outside of the tool at regular intervals with a
slightly damp cloth.
NOTE
Do not use a spray or steam/water jet system for cleaning.
Never operate the tool when the ventilation slots are
blocked. Do not permit foreign objects to enter the interior
of the tool.
8.2 Maintenance
Check all external parts of the tool for damage at regular
intervals and check that all controls operate faultlessly.
Do not operate the tool if parts are damaged or when the
controls do not function faultlessly. If necessary, the tool
should be repaired by Hilti Service.
8.3 Checking the tool after care and maintenance
After carrying out care and maintenance and before load-
ing the cartridges, check that all safety devices have been
fitted and that they function faultlessly.
9 Troubleshooting
WARNING
The tool must be unloaded (cartridges and fasteners removed from the tool) before carrying out cleaning or
maintenance.
Fault
Possible cause
Remedy
Cartridges are not transported.
The cartridge strip is damaged.
Change the cartridge strip.
Incorrect use of the grip.
Use the grip correctly.
See section: 7.2 Operation
3 4
Build-up of combustion residues.
Clean the cartridge strip guide chan-
nel.
The tool is damaged.
Contact Hilti.
The fastener is driven too deep.
Fastener driving power is too high.
Reduce fastener driving power in ac-
cordance with recommendations or,
respectively, use a less powerful cart-
ridge.
The fastener is too short.
Use a longer fastener.
en
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