Unfortunately with these types it is fairly common for debris to get inside and jam the mechanism.
How to fix a glass door lock.
How to fix a glass sliding patio door that dosnt roll close or lock properly.
In this case you may have difficulty inserting or removing the key.
How to fix a sliding glass door lock step 1.
Remove the broken sliding glass door lock from the door by removing the screws that attach it to the door.
The wheels on the glass sliding patio door have an adjustment screw at the bot.
Within seconds your lock should feel like new.
Simply insert the pen into the lock and squeeze a small amount of the substance into the lock.
In either case these problems can be simply amended using a graphite pen from any hardware store.
Remove the new door lock from its packaging and become familiar with all of the parts and pieces.