How to solve the problem that the lock cylinder of the anti theft door is not active

Updated on Security door 2024-05-07
2 answers
  1. Anonymous users2024-01-23

    Take a 6B pencil for drawing, use a knife to gently scrape the refill to get as fine the refill powder, gently blow the powder into the lock core with a paper roll, and then use the key to turn back and forth a few times. This method ensures that the lock cylinder is lubricated for a long time, and the results are excellent.

  2. Anonymous users2024-01-22

    You can scrape a little pencil ash and blow it into the keyhole, don't use grease, it will be easy to stick to the ash and block it after a long time.

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