How to Program Masterlock Combinations


Master Locks can be used to secure your valuable items and property. A Master Lock combination lock is unique because you lock and unlock the mechanism by using a unique combination of numbers. This combination can be made impossible to guess so that you know your item is secure. Some locks have 10,000 possible combinations, according to Master Lock. To change the combination, you will have to reprogram the lock.

  • Turn the number dials on the Master Lock to the four-digit combination that came with your Master Lock. You will now be able to remove the shackle from the housing to unlock.

  • Move the reset lever on the Master Lock so that it is against the lock head. You will need to rotate it 180 degrees.

  • Move the number dials again to the four numbers that you want to reprogram as the new lock combination.

  • Flip the reset lever back to the starting position. Keep the number dial set to your new combination.

  • Lock the Master Lock by pushing the shackle into the lock housing once again.

  • Move the number dials around to random number choices. The combination that you set has now been reprogrammed into the Master Lock. Write it down in a secure place.

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