| Before assembling the tool it is important to spread with molybdenum bisulphide the upper part, which will be inserted in the hammer, as devised by the manufacturer. |
| Before setting off the hydraulic hammer, the bit must be touching the material and pressure on the hammer must made with the arm of the excavator. |
| The front part of the undercarriage can be raised of some centimeters from the ground, so that the weight of the front part of the excavator lays completely on the bit. |
The hydraulic hammer starts when the switch on pedal is set into action. |
Close the windshield of the cabin to be protected from fragments that can shoot out during the operation of the hydraulic hammer. |
| Wear a cap for noise protection. If the sound level exceeds the 90 dB(A), all the persons who are nearby, including the operator, must wear a cap for protection. |
| Maneuver the hydraulic hammer only from the place of the operator. Do not make the hydraulic hammer work until the excavator is in the right position. If someone is near the danger zone, stop the hydraulic hammer immediately. |
| Because of the rock fragments that could come off during the operation of the hammer the danger zone is larger than during the operation of the excavator. |
