After the frost, the lock began to open poorly - is this temporary or is the mechanism already faulty?
Let's call the client Mark. The lock worked fine throughout the fall. But after several cold days, Mark noticed that in the morning the key began to fit…
The client's name has been changed.
Let's call the client Mark. The lock worked fine throughout the fall. But after several cold days, Mark noticed that in the morning the key began to fit harder.
After a couple of days, turning it also became more difficult. During the day, when the temperature rose, the situation sometimes improved. A natural question arose:
“Is it just frost, or is the lock already starting to break?”
Both options are possible.
Why cold can affect the operation of the lock
When the temperature changes, the operating conditions of not only the lock itself, but also the entire door may change. For example:
- materials change sizes slightly;
- the position of the door leaf relative to the frame changes;
- there is moisture in the mechanism;
- old or unsuitable lubricant becomes more viscous;
- pollution begins to have a stronger effect on the movement of elements.
Therefore, a problem that is almost invisible in summer can become much more pronounced in winter.
Does this mean the lock needs to be changed?
No. First you need to determine the cause. If the problem appears only at a certain temperature, it is important for a specialist to know this. Sometimes required:
- service;
- suitable lubricant;
- door adjustment;
- cleaning;
- repair of a separate element.
In other cases, frost simply exposes existing wear and tear.
What not to do?
Not recommended:
- heat the lock with open fire;
- pour random liquids inside;
- use excessive force;
- sharply bend the key;
- repeatedly try to turn a jammed mechanism.
Such actions can create a real malfunction.
What can you check?
Please note:
- does the lock work better during the day;
- do both keys behave the same;
- whether the mechanism works easily when the door is open;
- do you have to press the door;
- does the problem appear after precipitation or a sharp cold snap?
These details help to quickly determine the cause.
Why is it better to understand until complete failure?
If the lock has already been difficult to open several times in the cold, it may require even more effort the next cold night. It is better to check the mechanism before the owner finds himself outside in front of a completely jammed door.