Скачать или смотреть how to lock repair cylindrical door lock

Cylindrical door locks are a common type of lock found in residential and commercial doors. If your cylindrical door lock is malfunctioning, such as the key not turning, difficulty locking or unlocking, or the latch not engaging properly, you may be able to repair it without needing to replace the entire lock. Here's a step-by-step guide to help you fix a typical cylindrical door lock.

Tools and Materials You'll Need:
Screwdriver (Phillips or flat-head depending on the screws)
Replacement parts (if necessary, such as a new latch or cylinder)
Lubricant (graphite powder or silicone spray)
Pliers (optional)
Clean cloth or rag
Steps for Repair:
Remove the Lock from the Door:

Start by unscrewing the screws that secure the lock to the door. Typically, there are screws on the side of the door that hold the exterior and interior parts of the cylindrical lock together.
Once the screws are removed, gently pull apart the lock components from both sides of the door. Be cautious not to damage the parts as you remove them.
Inspect the Lock Mechanism:

Carefully inspect the cylindrical lock parts, especially the latch and key cylinder. Check for any visible signs of damage, such as bent pins, broken springs, or a stuck cylinder.
If you notice dirt or debris inside the lock, clean it using a cloth to remove any buildup that may be causing it to malfunction.
Lubricate the Lock:

Apply lubricant (graphite powder or silicone spray) to the key cylinder and moving parts like the latch and bolt. This will help smooth the operation of the lock and prevent future jamming or sticking.
Avoid using oil-based lubricants, as they can attract dust and dirt, which can cause further issues.
Check and Replace Faulty Parts:

If the latch is worn or broken, you may need to replace it. Most cylindrical locks have replaceable parts that can be bought at a hardware store.
If the key cylinder is damaged or jammed, consider replacing it with a new one. Many locksets allow you to replace the cylinder without needing to replace the entire lock.
Reassemble the Lock:

After checking or replacing the necessary parts, reassemble the lock by aligning the interior and exterior components correctly. Make sure the latch mechanism and key cylinder fit properly.
Secure the lock back onto the door by screwing it in place, ensuring it is tightly fastened.
Test the Lock:

Once the lock is reassembled and secured, test its functionality. Insert the key and check if it turns smoothly. Verify that the latch moves freely and that the lock engages properly when turned.
If the lock is still not working as expected, you may need to disassemble it again to recheck the alignment or replace any other faulty parts.
Final Touches:

If everything is functioning properly, clean the lock and surrounding areas to remove any excess lubricant or dust.