▶ Clean the outside of the product at regular intervals using a slightly dampened cloth. Do not use a spray,
steam pressure cleaning equipment or running water for cleaning.
Frequent work on conductive materials (e.g. metal, carbon fiber) may make shorter maintenance
intervals necessary. Take your individual workplace risk assessment into account.
8.1
Checks after care and maintenance work
▶ After carrying out care and maintenance, check that all protective and safety devices are fitted and that
they function faultlessly.
8.2
Cleaning and replacing dust filter
Clean the dust filter at regular intervals.
It is essential to replace the dust filter if damaged.
1. Insert the tip of a screwdriver underneath the release slot of the dust filter and pry the dust filter off.
2. After cleaning, re-install the dust filter.
9
Transport and storage
Transport
▶ Do not transport this product with an accessory tool installed.
▶ Make sure that the equipment is held securely throughout all transport operations.
▶ After transporting, always check all visible parts and controls for signs of damage and make sure that
they all function correctly.
Storage
▶ Always store this product with the electric supply cable unplugged from the electricity supply.
▶ Store this product in a dry place, where it cannot be accessed by children or unauthorized persons.
▶ After a long period of storage, always check all visible parts and controls for signs of damage and make
sure that they all function correctly.
10
Troubleshooting
If the trouble you are experiencing is not listed in this table or you are unable to rectify the problem by
yourself, contact Hilti Service.
Trouble or fault
Product does not start.
Product does not work.
Product does not develop full
power.
The product can't be
switched on.
*2381083*
Possible cause
Interruption in the electric supply.
The supply cord or plug is defec-
tive.
Product is overloaded.
The extension cord conductor
cross section (gauge) is inade-
quate.
Product is overloaded.
2381083
Action to be taken
▶ Plug in another power tool or
appliance and check whether it
works.
▶ Have the supply cord and plug
checked by a trained electrical
specialist and replaced if
necessary.
▶ Release the on/off switch and
then press it again. Then allow
the product to run under no load
for approx. 30 seconds.
▶ Use an extension cord with
an adequate conductor cross
section.
▶ Release the on/off switch and
then press it again. Then allow
the product to run under no load
for approx. 30 seconds.
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