Preparation before welding
1. Welding machine should be placed in the ventilated dry place, placed smoothly.
2. Check the welding mask should be light and damaged. Welding personnel and auxiliary personnel should wear good labor supplies.
3. Welding machine electrode, power cord and the joint parts to connect reliable, good insulation. Does not allow the junction to overheat phenomenon, the power supply terminal head should not be exposed, should be wrapped in tape.
4. Welding machine and electrode between the conductor length shall not exceed 30 meters, special circumstances shall not exceed 50 meters, the conductor has damp, broken stock phenomenon should be replaced immediately.