Noise emission values
Measured sound power level (L
Uncertainty for the sound power level (K
Emission sound pressure level (L
Uncertainty for the sound pressure level (K
Vibration values
Chiseling (a
)
h, Cheq
Uncertainty (K)
5
Operation
5.1
Preparations at the workplace
CAUTION
Risk of injury! Inadvertent starting of the product.
▶ Unplug the supply cord before making adjustments to the power tool or before changing accessories.
Observe the safety instructions and warnings in this documentation and on the product.
5.1.1
Fitting the accessory tool
1. Unplug the supply cord from the power outlet.
2. Lightly grease the connection end of the accessory tool.
▶ Use only the recommended grease supplied by Hilti. Using the wrong grease can result in damage
to the tool.
3. Push the accessory tool into the chuck as far as it will go, turning it and applying light pressure until it
engages with an audible click.
4. Check that the chisel has engaged correctly by gripping and pulling it.
5.1.2
Removing the accessory tool
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.
1. Unplug the supply cord from the power outlet.
2. Pull the tool lock back as far as it will go.
3. Remove the accessory tool.
5.2
Types of work
WARNING
Risk of electric shock! Severe injury and burns can result if any attempt is made to operate the tool without
an earth/ground conductor and ground fault circuit interrupter correctly connected.
▶ Irrespective of whether mains power or generator power is used, always make sure that an earth/ground
conductor and ground fault circuit interrupter are present in the power supply and that these are correctly
connected.
▶ Do not use the product unless these safety measures are in place and fully operational.
WARNING
A damaged supply cord presents a hazard! Do not touch the supply cord or extension cord if damaged
while working. Disconnect the supply cord plug from the power outlet.
▶ Check the appliance's supply cord at regular intervals and have it replaced by a qualified specialist if
found to be damaged.
Full approval must be obtained from the site engineer or architect prior to beginning the work.
*2167140*
)
WA
)
WA
)
pA
)
pA
3
4
2167140
96 dB(A)
3 dB(A)
85 dB(A)
3 dB(A)
3.9 m/s²
1.5 m/s²
English
15