5
Operation
Fitting / removing the accessory tool
WARNING
Risk of injury! The accessory tool gets hot during use and may also have sharp edges.
▶ Wear protective gloves when changing the tool.
Check the accessory tool for damage or uneven wear each time before use and replace it
if necessary.
Use only the recommended grease supplied by Hilti. Use of unsuitable grease may cause
damage to the product.
Removing / fitting the chuck
Positioning the chisel
The chisel can be adjusted to 12 different positions (in 30° increments). This ensures that
flat chisels and shaped chisels can always be set to the optimum working position.
Locking the chisel
Chiseling
Fitting the needle adapter
CAUTION
Risk of injury! Use of the needle adapter in an incompatible tool is hazardous.
▶ Use the needle adapter only with the TE 300-AVR.
WARNING
Risk of injury! Risk of pinching the fingers
▶ Wear protective gloves when fitting the needle adapter.
Removing the needle adapter
WARNING
Risk of injury! The accessory tool gets hot during use and may also have sharp edges.
▶ Wear protective gloves when changing the tool.
Selecting / adjusting the needle guide
WARNING
Risk of injury! The accessory tool gets hot during use and may also have sharp edges.
▶ Wear protective gloves when changing the tool.
The needle guide is interchangeable and adjustable. Round or oval versions are available
for working on surfaces, edges or corners.
Changing the needle cage and needles
WARNING
Risk of injury! The accessory tool gets hot during use and may also have sharp edges.
▶ Wear protective gloves when changing the tool.
The spring pre-tensioner separates the needle holder from the locking mechanism. The
needles can be replaced individually or as a complete set.
6
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.
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English
401136
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