2. Replace aluminum sheet: according to the model and specification of the motor, buy corresponding new aluminum sheet and replace it according to the instruction manual and the guidance of professionals.
3. Repair the motor housing: the motor housing is damaged and should be repaired and replaced. Repair with professional welding equipment to ensure the welding quality meets the requirements.
4. Check the running state of the motor: replace the aluminum sheet, repair the motor shell, reinstall the motor and check the running state.