4. According to the technical requirements, regularly check whether the wiring of each electric furnace and controller is good, whether there is any stuck stuck phenomenon when the indicator pointer moves, and use the potentiometer to check the instrument due to magnetic steel, demagnetization, wire...
Using too much solder can lead to a “cold weld” and create a poor connection for the wire. After removing the wire, use the hot iron tip to clean off residual solder from the switch terminal. Using flush-cut dykes to remove a glob of solder before attaching the vintage WR pickup’...