Precautions when using the electric iron, after the new electric iron is brought, the tin should be hung before welding, that is, a thin layer of tin should be hung on the electric iron as a protective layer. Each time you use it, hang it once at the beginning and again at the end. This can live.
The electric iron should be fully checked before use whether the voltage is consistent with the nominal voltage of the electric iron;
Check whether the electric soldering iron power plug is connected with a ground wire, generally a three-hole socket;
Electric soldering iron can not be arbitrarily knocked, disassembled and installed in the use of electricity heating parts;
The working environment of the electric soldering iron should be kept dry, and it should not be used in an excessively wet or rainy environment.
When removing the tip of the soldering iron, be sure to turn off the power supply, and remove the iron after cooling;
After use, after turning off the power, use the waste heat to put a layer of tin on the soldering iron head to protect the soldering iron head;
When there is a black oxide layer on the tip of the iron, it can be wiped off with an emery cloth, and then powered up and tinned immediately;
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Do "5S" before welding, and do "5S" after welding.
The temperature is determined by the actual use
Do not dry burn for a long time