Hilti 3497788 - Manuals

15 2. Additional safety rules 2.1 Personal safety a) Wear ear protectors. Exposure to noise can cause hearing loss. b) Use auxiliary handles supplied with the tool. Loss of control can cause personal injury. c) Always hold the tool with both hands on the gripsprovided. Keep the grips dry, clean and ...

16 At low temperatures: The tool requires to reach a mini-mum operating temperature before the hammering mech-anism begins to operate. Switch on the tool and positionthe tip of the drill bit on the work surface. While the toolis running, apply light pressure briefly and repeatedlyuntil the hammering...

17 Care and maintenance Care of the tool The outer casing of the tool is made from impact-resis-tant plastic. Grip sections, the dust shield and the sup-ply cord protective sleeve are made from an elastomermaterial. Clean the outside of the tool at regular inter- vals using a slightly damp cloth. Do...

19 Troubleshooting Symptom Possible cause Possible solution The tool doesn’t start Fault in the electric power supply Plug in another electric tool and check whether it starts Defective supply cord or plug Have it checked by an electricalspecialist and replace if necessary Switch defective Have it c...