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Maintenance
WARNING
Danger of electric shock! Improper repairs to electrical components may lead to serious injuries including
burns.
▶ Repairs to the electrical section of the tool or appliance may be carried out only by trained electrical
specialists.
•
Check all visible parts and controls for signs of damage at regular intervals and make sure that they all
function correctly.
•
Do not operate the product if signs of damage are found or if parts malfunction. Have it repaired
immediately by Hilti Service.
•
After cleaning and maintenance, fit all guards or protective devices and check that they function correctly.
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 Store or online at: www.hilti.group.
7.1
Intervals for filter replacements
Replacing pre-filters
▶ Replace all pre-filters at least 1× a day.
▶ Replace all pre-filters at the latest as soon as the indicator light (filter change) shows.
Replacing main filters
▶ Replace all main filters at least 3× a year.
▶ Replace all main filters at the latest as soon as the indicator light (filter change) shows again after you
have replaced the pre-filters.
8
Transport and storage
Transport
▶ Do not transport this product with an accessory installed, for example the extraction hose.
▶ 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.
▶ Close the shutter prior to transport. This stops dust from the product escaping into the environment and
prevents dust from making its way into the product from outside.
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.
9
Troubleshooting
If the trouble you are experiencing is not listed in this table or you are unable to remedy the problem by
yourself, contact Hilti Service.
Trouble or fault
The product cannot be
switched on.
There is dust in the
discharged air.
*2297302*
Possible cause
The supply cord is not plugged in
correctly.
The supply cord or plug is defec-
tive.
The filter seal of the filter is dam-
aged.
There are holes in the filter.
2297302
Action to be taken
▶ Plug the supply cord into the
power outlet.
▶ Contact Hilti Service.
▶ Replace the filter and clean the
interior of the product.
▶ Replace the filter and clean the
interior of the product.
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7
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