1. full-length hydraulic bumper 2.5 m height at opening 80
2-hydraulic power unit is driven by a 4 hp electric motor operating at a voltage of 380 v 3 Vaz and a frequency of 50 / 60 hertz . Lifting speed from 3 : 5 seconds - 3
4-the unit is equipped with safety controls against hydraulic overloads
5. the bumper uses hydraulic cylinders to lift the unit .
6-electric control panel with bumper raising and lowering switches