Due to poor assembly quality or improper use, the electric furnace switch will fail, the wire ends will be loose, the bakelite shell will be burnt, and the steel balls in the switch will fall off.
The electric furnace manufacturer introduces the treatment methods as follows:
1. After the wire head is loosened, the switch shall be removed (or the bottom cover shall be opened), and then the loosened wire head shall be reinserted into the fastening screw of the wire hole (if the wire hole diameter is large and the wire core is thin and cannot be fixed firmly, the end of the wire core can be folded back for a section and then inserted into the wire hole and compacted with screws).
2. When the electric furnace wire is damaged and replaced, pay attention to the equivalence of the capacity of the new and old furnace wires. It is not allowed to expand the capacity of the furnace wire at will, otherwise it will burn out.
3. If the bakelite shell is lightly burned, it shall be treated with a assorted file and 0\\; sandpaper (the carbonized surface layer shall be ground off), and then the insulation shall be tested with a 500V megger, which shall be installed and used after meeting the technical indicators of insulation resistance; If the burning loss is serious, replace the switch as a whole.
4. The steel ball in the switch falls off. If it can be found, it can be reinstalled in the switch box for further use (the switch box shall be carefully disassembled). If the steel ball cannot be found, the leads in the switch box can be accurately and continuously connected and an insulating tube can be installed. Then the electric furnace has an external lead plug to control the use of the electric furnace. If conditions permit, you can buy a new switch to replace it.
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