Safety technical disclosure of glass curtain wall project
3. The suction cup machine must have a product certificate and product instructions. Before use, it must check that the power wire and motor insulation are in good condition without leakage, the repeated grounding and protection zero wire are secure, the electric shock protector acts sensitively, the hydraulic system is firmly connected without leakage, and the pressure is normal. It can only be used after the test of adsorption force and holding time is carried out and the requirements are met .........