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Key locking inserts are a common mechanical connection component that are widely used in various equipment and structures. When it is time to remove the key locking insert, you can take the following steps:

1. Preparation: First, make sure you have the appropriate tools and materials, such as wrenches, pliers, grease, hammer, and thread repair tools. Depending on the situation, choose the appropriate tool to perform the operation.

2. Loose threads: Before starting operation, apply an appropriate amount of lubricant to the surface of the key locking insert that contacts the surrounding material. This will help reduce friction and make the nut loosen more easily. Using an appropriately sized wrench or pliers, turn the nut counterclockwise to loosen it.

3. Tap to loosen: If the thread insert is very tight, try lightly tapping the side of the thread insert with a hammer. Such vibration can help loosen the thread insert, and the force of the vibration will not damage the thread insert or the surrounding structure.

4. Use a thread repair tool: If the latch ferrule is damaged or stuck, consider using a thread repair tool. These tools help repair damaged threads and return them to normal condition. Depending on the size and type of thread insert, select the appropriate thread repair tool and follow the instructions.

5. Special case handling: If none of the above methods can remove the latch sleeve, other more complex methods may need to be used. For example, you can use an electric heater to heat the material around the threaded collar to expand its size, or use a drill to drill a hole in the threaded collar and use a thread extractor to remove it.

Please note that before performing any operation, be sure to take appropriate safety measures to avoid personal injury or further damage to the equipment. If you are unsure or inexperienced, seek professional help.

To sum up, the method of removing the latch screw sleeve mainly includes steps such as loosening the thread, tapping to loosen, using thread repair tools and handling special situations. Choose the appropriate method according to the specific situation, and make sure to pay attention to safety during operation.