Fitting / removing the accessory tool
Use of unsuitable grease may cause damage to the product. Use only the recom-
mended grease supplied by Hilti.
Adjusting the depth gauge
Always pay attention to the maximum length of the depth gauge.
Setting forward or reverse rotation
Do not operate the forward / reverse switch while the motor is running.
Care and maintenance
WARNING
Electric shock hazard! Attempting care and maintenance with the supply cord connected to a
power outlet can lead to severe injury and burns.
▶
Always unplug the supply cord before carrying out care and maintenance tasks.
Care
• Carefully remove stubborn dirt from the tool.
• Clean the air vents carefully with a dry brush.
• Use only a slightly damp cloth to clean the casing. Do not use cleaning agents containing silicone
as they can attack the plastic parts.
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.
Replacing the dust shield
▶
Replace the dust shield.
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.
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.
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