Hilti NURON NBL 4-22 Manual De Instrucciones página 24

Comply with the national regulations for working at heights.
As drop arrester for this product, use only a combination of the Hilti retaining strap and the Hilti tool tether
#2261970.
▶ Secure the retaining strap to the installation openings for accessories. Check that it holds securely.
▶ Secure one carabiner of the tool tether to the retaining strap and secure the second carabiner to a
load-bearing structure. Check that both carabiners hold securely.
Comply with the operating instructions of the Hilti retaining strap and those of the Hilti tool tether.
5.5 Installing blower tube
1. Align the lugs of the blower tube with the slots in the blower housing.
2. Push the blower tube on to the blower housing.
3. Turn the blower tube clockwise until it is fully seated on the blower housing.
5.6 Removing blower tube
1. Turn the blower tube counter-clockwise.
2. Pull the blower tube off the blower housing.
5.7 Selecting speed range
1. Reduce the speed range by turning the speed-range adjusting knob up.
▶ You have a choice of 3 speed ranges.
2. Increase the speed range by turning the speed-range adjusting knob down.
6 Operation
Observe the safety instructions and warnings in this documentation and on the product.
6.1 Switching product on and off
Switching product on
1. To switch the product on, press the on / off switch.
Switching product off
2. To switch the product off, release the on / off switch.
6.2 Activating continuous-operation lock
1. Press and hold down the on/off switch.
2. Press and hold down the continuous running lock.
3. Release the on/off switch.
▶ The on / off switch is locked and the product runs in continuous-operation mode.
To deactivate the continuous-operation lock, press the on/off switch. The continuous-operation
lock automatically returns to its initial position.
7 Care and maintenance
WARNING
Risk of injury with battery inserted !
▶ Always remove the battery before carrying out care and maintenance tasks!
Care of the product
• Carefully remove stubborn dirt.
• Carefully clean the air vents, if present, with a dry, soft brush.
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