Hilti NPR 19-22 Manual page 26

5.5 Removing pressing jaw
CAUTION
Risk of injury! The accessory tool may be hot and/or have sharp edges.
▶ Wear protective gloves when changing the accessory tool.
▶ Never lay down a hot accessory tool on a flammable surface.
WARNING
Risk of injury! Unintentional starting.
▶ Remove the battery before fitting, changing or removing the pressing jaws.
1. Turn the tool head so that the locking pin is easily accessible.
2. Press the locking pins.
3. Rotate the locking pins counterclockwise as far as they will go.
▶ The locking pin pops out.
4. Work the pressing jaw forward and out of the product.
5.6 Fall arrest
WARNING
Risk of injury by falling tool and/or accessory!
▶ Use only the Hilti tool tether recommended for your product.
▶ Prior to each use, always check the attachment point of the tool tether for possible damage.
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.
6 Operation
Observe the safety instructions and warnings in this documentation and on the product.
6.1 Pressing with pressing jaws
DANGER
Electric shock hazard! Working in adverse outdoor conditions can cause electric shocks and/or short
circuits.
▶ Never work on electrically live lines while a thunderstorm is in progress.
▶ Call a halt to work immediately whenever weather conditions impair the insulation characteristics, vision
or movement of the workers.
WARNING
Risk of injury due to oil escaping under high pressure! Oil escaping under high pressure can injure the
skin and the eyes.
▶ Do not use the pressing tool if damage is visible.
▶ Do not use the pressing tool if oil escapes.
▶ Make sure that the piston retracts after every pressing operation.
▶ If the piston does not retract after the pressing operation, press the reset button for manual retraction.
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