How to change a combination lock, Detailed instructions | How a lock works | also set to one number.

How to change a combination lock, Detailed instructions | How a lock works | How to set the combo to one number. Overview of change keys, and history of locks.

[@williambrewer3140]

Any way to unlock a new 975LH Master Lock, did it wrong, don't know combination that was put in lock. Can you unlock it?