Open lock with the factory set or previously set combination. Insert reset tool (enclosed in package) in hole on side of lock. Push reset tool in and turn 90 degrees (in either direction). Set wheels to desired combination. via
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Pull up gently on the shackle and hold it in place. Turn the dial clockwise listening carefully until you hear the lock click. Start with a good deal of pressure and gently let up as you spin it around, until you meet resistance in only one place. If the dial catches every few numbers, you are pulling too hard. via
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Answer: Once the lock combination is set, there is no way to open it without the combination. Please make sure you record your NEW combination in a safe place. via
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Can you reset a Master Lock?
A: Resettable combination locks have a combination that is assigned by the owner of the lock. Therefore, Master Lock does not have record of the combination that the owner set. The lock cannot be reset unless it is in the open position. via