▲ Read the operating instructions, in particular these safety notes, and follow these instructions. ▲ Ensure that only authorised personnel enter the operating and danger area of the device. ▲ Any changes (including changes in the operational behavior) which affect safety must be reported immediately to the responsi- ble member of the staff. ▲ Always keep safety in mind while working. ▲ Before any intervention switch off the main switch and separate the compressed air supply.