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We should pay attention to the padlock maintenance as well

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We should pay attention to the padlock maintenance as well.

    1 . Add some lubricant to the transmission parts inside thelock body to keep it smooth and durable. Check once half a year or every yearregularly. Besides, we should also check the screws to make sure that they arefastened.

    2 . Apply some graphite or pencil power into the cylinder tomake sure the key in or out process are smooth. Do not use any other oil toavoid sticking to the pin and spring.

    3 . Check the spacing between the latch and the strikeplate; the door and the door frame. The best spacing between the door and frameis 1.5mm-2.5mm.

Lu Wang Johnson Zhu