• After cleaning and maintenance, refit all guards or protective devices and
check that they function correctly.
Note
To help ensure safe and reliable operation, use only genuine Hilti spare
parts and consumables. Spare parts, consumables and accessories
approved by Hilti for use with the product can be found at your local
Hilti Center or online at: www.hilti.com
7.1 Cleaning the dust shield
▶ Clean the dust shield on the chuck with a dry, clean cloth at regular
intervals.
▶ Clean the sealing lip by wiping it carefully and then grease it again lightly
with Hilti grease.
▶ It is essential that the dust shield is replaced if the sealing lip is damaged.
8 Transport and storage
• Do not transport electric tools with accessory tools fitted.
• Always unplug the supply cord before storing an electric tool or appliance.
• Store tools and appliances in a dry place where they cannot be accessed
by children or unauthorized persons.
• Check electric tools or appliances for damage after long periods of
transport or storage.
9 Troubleshooting
If the trouble you are experiencing is not listed in this table or you are unable
to remedy the problem by yourself, please contact Hilti Service.
9.1 Troubleshooting
Trouble or fault
The breaker doesn't
start.
Printed: 02.02.2017 | Doc-Nr: PUB / 5071172 / 000 / 05
Possible cause
Electronics initialization
in progress (takes up to
4 seconds after plugging
in).
The electronic restart
interlock is activated
after an interruption in
the electric supply.
Interruption in the elec-
tric supply.
Action to be taken
▶ Switch the power tool
off and then on again.
▶ Switch the power tool
off and then on again.
▶ Plug in another electric
tool or appliance
and check whether it
works.
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