The second lock of the security door can t be locked?

Updated on Security door 2024-10-06
2 answers
  1. Anonymous users2024-01-24

    If the door is slightly deformed or the heat rises in summer, the friction between the tongue and the hole increases, so you can try to apply a little lubricating oil to the tongue and hole first.

    If it still doesn't work, it is best to use a steel file, and the opening of the door frame can be cured by filing it a little bigger. (Pay attention to file and try, otherwise the opening is too large, and the door will be blown by the wind - clanging and making noise).

  2. Anonymous users2024-01-23

    It's just erudite, but not the best. I am certainly the same. Learn every time.

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