MH6.6 / MH8.6 SAFETY INSTRUCTION 0-7 Taking care when trenching Distance from overhead power lines The inadvertent severing of under- ground cables or gas pipes may cause an explosion and / or fire. This may result in severe, poten- tially fatal injury. Severe, potentially fatal injury may result from the machine or the front equipment not being kept well clear of overhead power lines. - Before doing any trenching work, check the course of cables, gas pipes and water pipes. - If work is being done close to an overhead power line, no part of the machine or the load must come within a distance of 3 m plus twice the length of the over- head power line insulator from the power line.
- Observe the statutory minimum distance from cables, gas pipes and water pipes. Never look into the end of an inadvertently sev- ered fibre-optics cable, as that may severely injure the eyes. - Check out and observe the rele- vant local regulations. - Wet ground increases the range in which a person may get an elec- tric shock. Contact the local authorities and / or supply enterprises (electricity, gas, water, sewage, telecommuni- cations etc.) to obtain information on underground supply lines. - Keep all persons or colleagues clear of the location. After contacting live wires - Do not leave the machine. - Drive the machine out of the haz- ard zone.
Warn others against ap- proaching and touching the ma- chine. - Have the live wire de-energized. Do not leave the machine until the contacted / damaged line has been de-energized with absolute cer- tainty. Fig. 8 Fig. 9 Carefully read personal and machine SAFETY INSTRUCTIONS (at the beginning of this manual)