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How to Use a Master Lock

Maya Lin-Takahashi • • 1 min read
How to Use a Master Lock

To set or reset the combination on your Master Lock 653D lock:
Open your lock by entering the lock combination. Turn the shackle 90° counterclockwise.Press the shackle down while turning the shackle another 90° counterclockwise.Set the dials to your new combination.Turn shackle back 90° clockwise. Close the lock.

How do you open a combination with 4 numbers?

TO UNLOCK ON A TRUE FOUR NUMBER COMBINATION

Starting anywhere, turn the dial right (clockwise), stopping when the first combination number comes to the opening index the FIFTH time. 2. Turn the dial left (counterclockwise), stopping when the second number comes to the opening index the FOURTH time.

Maya Lin-Takahashi
Author

Maya Lin-Takahashi

Maya is a hardware enthusiast who tests and reviews smart home devices, smartphones, wearables, and audio gear. She focuses on practical consumer value and build quality.