If you lost the combination to your Master Lock and your lock has a serial number, you can find the combination for your lock by sending a form to Master Lock. You can not reset the combination on this type of Master Lock. On Master Locks with resettable dials, if you lose the the combination, it is not possible to find the lost 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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How do you open a 4 digit combination safe?
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. via
How do you change the combination on a 4 digit lock?
To set a combination lock, place the dial at 0 to begin. Use the reset tool that came with the combination lock and push it into the hole on the side of the lock chamber. Turn it 90 degrees in either direction. Set the wheels at the combination you've chosen. via
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How do you pick a Master Lock?
To pick a master lock, you'd have to raise the pins up with a pick until you hear a click signifying that the pin reached the shear line; then rotate a screwdriver in the keyhole as if you were turning a key. via