Yes, you can change the combination on a combination lock by following the manufacturer's instructions or using a reset tool, if provided.
That depends on the specific kind of lock.
NOPE
Whenever the combination has been compromised or when someone leaves or is no longer to have access using the lock.
To change the combination on an SKG TSA lock, first, set the lock to the current combination. Then, locate the reset button, usually found on the side or bottom of the lock. Press and hold the reset button while turning the dials to your new desired combination. Release the reset button, and your new combination is now set.
To change the combination on a Tumi lock, first, ensure the lock is set to the current combination. Then, use a small tool (like a pen) to press the reset button located on the side of the lock while turning the dials to your desired new combination. Release the reset button, and your new combination is now set. Make sure to test the new code before using the lock.
Set the combination to the correct setting, then press the button that may be placed on the bottom of the lock, or somewhere else, and while holding that down, change the code to what you desire it to be.
restore it w/ itunes
When facing the front of the lock, input the current password and open the lock. While open, press the black button on the left side and change the combination to what you want, then release. The button allows you to change letters without moving the internal tumblers.
hold reset and type the newcode!
First of all, you need to unlock it. If you don't know the current combination: it can't usually be changed. Then, you need to set your new combination and lock it. It should then be set.
To change the combination on an American Tourister 3-digit TSA007 lock, first, set the lock to its current combination. Then, use a small tool (like a pen) to press and hold the reset button located on the side or bottom of the lock. While holding the button, set your new desired combination by turning the dials, and then release the reset button to save the new combination. Ensure you test the new combination before using the lock to confirm it is set correctly.