2. clamp the steel wire groove with flat nose pliers, rotate the compression spring shaft clockwise (or counterclockwise), and then take out the compression spring, so that the steel wire groove can be easily removed.
3. Push down the pressure springs on both sides, and then remove the pressure plate, taking care not to bend.
4. Unscrew the screws on the nose guard plate, and then slowly remove the nose, paying attention to the mechanical structure inside, so as not to damage it.
5. Press the staple knife to the bottom position and remove the broken needle set; Then use a pedicure wrench to twist the screws on the side of the stapler to take down the stapler.