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.
8.1
Replacing the dust shield
1. Pull the tool holder back and remove the dust cap.
2. Clean the tool holder.
3. Slip the new dust cap on to the tool holder.
8.2
Changing tool holder
CAUTION
Risk of injury! The depth gauge, if fitted but not used, might hinder the operator.
▶ Remove the depth gauge from the tool.
The function selector switch should be set to the
1. Pull the sleeve of the tool holder up.
2. Pull the tool holder off the mount.
3. Pull the sleeve of the cleaned / new tool holder up.
4. Install the tool holder on the mount.
5. Rotate the tool holder slightly until it engages in position.
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 remedy the problem by
yourself, please contact Hilti Service.
18
English
7
8
"Chiseling" position when changing the tool holder.
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