Hilti UD 16 Manual page 14

2. Clamp the accessory tool by turning the sleeve clockwise until the quick-release chuck automatically
engages.
Engagement is clearly audible as a series of clicks.
6.1.9 Inserting accessory tool into keyed chuck
1. Open the quick-release chuck until you can insert the shank of the accessory tool.
2. Insert the accessory tool.
3. Close the keyed chuck by turning the gear ring.
4. Insert the chuck key into one of the three holes in the keyed chuck.
5. Secure the accessory tool by turning the chuck key clockwise.
6. Remove the chuck key.
6.1.10 Removing accessory tool from keyed chuck
1. Insert the chuck key into one of the three holes in the keyed chuck.
2. Turn the chuck key counter-clockwise to open the chuck.
3. Remove the accessory tool.
4. Remove the chuck key.
6.2 Types of work
6.2.1 Activating / deactivating continuous operation
The drill can be set to continuous operation by pressing the lockbutton. It is then no longer necessary
to keep the control switch pressed down.
1. Press the control switch and hold it in this position.
2. Press and hold down the lockbutton.
3. Release the control switch.
4. Release the lockbutton.
5. To switch off when in sustained operating mode, press the control switch again and then release it.
6.2.2 Setting forward or reverse rotation
Do not operate the forward/reverse switch while the motor is running.Risk of damage!
▶ Set the forward/reverse switch to the desired direction of rotation.
6.2.3 Drilling, 1st and 2nd gears
▶ Set the function selector switch to the "Drilling in first gear" or "Drilling in second gear" position.
It might be necessary to turn the spindle slightly.
6.2.4 Mixing
▶ Set the function selector switch to the "Drilling in first gear" position.
It might be necessary to turn the spindle slightly.
6.2.5 Screwdriving
1. Set the forward/reverse switch to the desired direction of rotation.
2. Set the function selector switch to the "Drilling in first gear" or "Drilling in second gear" position.
It might be necessary to turn the spindle slightly.
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