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Observe the safety instructions and warnings in these operating instructions and on the product.
Setting forward or reverse rotation
Set the forward/reverse switch to the desired direction of rotation.
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An interlock prevents switching while the motor is running.
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The control switch is locked when the forward/reverse switch is in the middle position (switch-on
▶
interlock).
Switching on and off
1.To switch the product on, press the control switch.
Speed of rotation is regulated by the travel of the control switch.
2.To switch the product off, release the control switch.
Care and maintenance
WARNING
Risk of injury with battery inserted !
Always remove the battery before carrying out care and maintenance tasks!
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Care of the product
• Carefully remove stubborn dirt.
• Carefully clean the air vents, if present, with a dry, soft brush.
• Use only a slightly damp cloth to clean the housing. Do not use cleaning agents containing silicone
as these can attack the plastic parts.
• Use a dry, clean cloth to clean the contacts of the product.
Care of the Liion batteries
• Never use a battery with clogged air vents. Clean the air vents carefully using a dry, soft brush.
• Avoid unnecessary exposure of the battery to dust and dirt. Never expose the battery to high levels
of moisture (e.g. by being dipped in water or left in the rain).
If a battery has been soaked by moisture, treat it as a damaged battery. Isolate it in a non-flammable
container and consult Hilti Service.
• Keep the battery free of extraneous oil and grease. Do not permit dust or dirt to accumulate
unnecessarily on the battery. Clean the battery with a dry, soft brush or a clean, dry cloth. Do not
use cleaning agents containing silicone as these can attack the plastic parts.
Do not touch the contacts of the battery and do not remove the factory-applied grease from the
contacts.
• Use only a slightly damp cloth to clean the housing. Do not use cleaning agents containing silicone
as these can attack the plastic parts.
Maintenance
• Check all visible parts and controls for signs of damage at regular intervals and make sure that
they all function correctly.
• Do not use the product if signs of damage are found or if parts malfunction. Immediately have the
product repaired by Hilti Service.
• After cleaning and maintenance, install all guards and protective devices and check that they are
in full working order.
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 your product can be
found at your Hilti Store or online at: www.hilti.group
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