檢查斷裂原因：需要檢查卷簾門斷裂的具體原因。可能是由于軸管斷裂、螺栓松脫、脫鉤脫軌或線路問題等。如果是軸管斷裂或螺栓松脫，需要更換相同規格的軸管或螺栓。

　　Check the cause of the fracture: Firstly, it is necessary to investigate the specific reason for the fracture of the rolling shutter door. It may be due to shaft tube fracture, bolt loosening, decoupling derailment, or line problems. If the shaft tube is broken or the bolt is loose, it is necessary to replace it with a shaft tube or bolt of the same specification.

　　更換損壞部件：根據斷裂的原因，更換損壞的部件。如果是軸管斷裂，選擇相同規格的軸管重新安裝；如果是螺栓或穿釘螺絲斷裂，選擇相同型號的螺栓或螺絲重新固定。

　　Replace damaged parts: Replace the damaged parts according to the cause of the fracture. If the shaft tube is broken, choose a shaft tube of the same specification and reinstall it; If the bolt or screw is broken, choose the same type of bolt or screw to re fix it.

　　潤滑維護：在維修完成后，建議在軸承和軸管處添加機油進行潤滑，以防止卡住無法上升或下降。

　　Lubrication maintenance: After the repair is completed, it is recommended to add oil to the bearings and shaft pipes for lubrication to prevent them from getting stuck and unable to rise or fall.

　　檢查線路：如果是脫鉤脫軌或線路問題導致的斷裂，需要檢查相應的線路，重新連接或修復。

　　Check the line: If the breakage is caused by decoupling derailment or line problems, the corresponding line needs to be checked, reconnected or repaired.

　　維修：如果不確定如何操作，建議尋求人士的幫助，以確保和維修質量。

　　Professional maintenance: If unsure how to operate, it is recommended to seek the help of professionals to ensure safety and maintenance quality.

　　預防措施包括：

　　Preventive measures include:

　　定期檢查：定期檢查卷簾門的各個部件，特別是軸管、螺栓和線路，確保其處于良好狀態。

　　Regular inspection: Regularly inspect all components of the rolling shutter door, especially the shaft tube, bolts, and wiring, to ensure that they are in good condition.

　　潤滑保養：定期在軸承和軸管處添加機油，保持潤滑，減少摩擦和磨損。

　　Lubrication and maintenance: Regularly add engine oil to the bearings and shaft pipes to maintain lubrication and reduce friction and wear.

　　維護：遇到問題及時聯系維修人員進行處理，避免自行操作帶來的風險。

　　Professional maintenance: Contact professional maintenance personnel in a timely manner when encountering problems to avoid risks caused by self operation.

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