How to use the electric soldering iron?

1. Insert the soldering iron into the power supply for preheating.

2. Put the preheated electric soldering iron on the rosin and dip it in a little rosin.

3. Put the tin bar on the welding head, and evenly coat the solder on the welding head, so that the welding head is evenly coated with tin.

4. At this time, soldering iron can be directly used for welding. When welding, wire is fed by hand, and tin is evenly spread on the welding head with coiled iron.

5. If you see some welding impurities on the welding head, you can clean the welding head on the soaked sponge.

6. The used soldering iron should be put on the shelf, cooled and put away.