: If you have forgotten a combination, official support is available through the Master Lock Support Center . Security Warning
: Detailed PDFs explaining the internal mechanisms of pin tumbler, wafer, and disc detainer locks. Lock-Master_Collection.zip
Turn the dials to your new combination and return the lever to its original position. : If you have forgotten a combination, official
: Most new Master Lock boxes and padlocks are preset to a factory code of 0-0-0-0 . Resetting Combinations : Open the lock using the current or factory code. : Most new Master Lock boxes and padlocks
: Methods to open a lock by attacking its weak points (like the latch or shackle) rather than the locking mechanism itself.
Locate the (usually found inside the door or by rotating the shackle 90 degrees and pressing down). Move the lever to the "Set" or "Reset" position.