What to do if the tower bolt is rusted
1. Slowly tighten the rusted nut by 1/4 turn, then pull it out and tighten it repeatedly to loosen it.
2. Hit the screw or nut with a hammer to make it easy to loosen the rust layer after shaking.
3. Soak the screws in kerosene for 30 minutes, then remove the screws.
4. Heat the nut with a blowtorch, and quickly unscrew the nut after heating and expansion. 5. Use special rust remover.
