Order of execution
1. Open the door.
2. To control the adjustment, mark the initial position of the latch washer by circling it with a felt-tip pen.
3. Loosen latch nut.
4. Move the latch slightly inward if the door knocks when moving, or forward if the lock does not fully close.
5. Tighten the nut.
6. Check the tightness of the door closing and the reliability of the lock.
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