Old house decoration how to change the door and window locks

1. Screwdrivers, wrenches and other basic tools

2. New door and window locks, you generally need to buy matching lock cylinders, keys and plugs

3. Cylinder installation tools: including the installation slot, the lock mounting clamps, etc.

II. Remove the old locks

1. Remove the lock body and lock tongue and other parts.

2. Use pliers to pull out the original lock cylinder and key. Be careful not to damage the lock cylinder assembly on the inside of the door or window.

3. Remove the original stopper or difficulty card.

Three, install the new lock

1. Use the new matching key to open the new lock cylinder, insert the new lock cylinder into the installation slot left on the old doors and windows, rotate a few times to check whether it is normal.

2. Align the mounting holes on the door or window and install the lock body and latch on the door or window.

3. Install the new key and stopper. Put the key lock cylinder, and then put the stopper together. Pay attention to the direction of the plug.

4. Test the newly installed door and window locks. Open and close the door and window to check if the lock and key work properly.

Summary:

Old house renovation, REPLACEDDoorandwindowlocks need to pay attention to the following points:

1.Try to choose good quality door and window locks, do not choose just any piece.

2. Matching cylinders, keys and stoppers must be used in conjunction with the lock to avoid incompatibility problems.

3. Be very careful when installing the lock cylinder to avoid additional repair costs caused by fixing the lock hole in the next step.

4. After installation, test the working condition of the lock with the key to ensure smooth operation of the door and window locks, and maintain the door and window locks frequently.