How to Dial and Change Safe Combination Lock Part 001 | Mr. Locksmith Training Video

Published at : 23 Dec 2025

How to Dial and Change Safe Combination Lock Part 001 | Mr. Locksmith Training Video

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This information is typical of a Sargent & Greenleaf (S&G), Ilco, or LaGard safe Mechanical Group II Combination Locks.

Combination Operating Instructions:
To unlock the safe use the "Opening Index" (located at the 12 o'clock position) on the dial ring for each number. You must dial the combination precisely without backing up.


- Left 4 or more turns to the left (counterclockwise) stopping at the first number "20"
- 3 turns to the right to the 2nd number stopping at "40"
- 2 turns to the left to the 3rd number stopping at "60"
- Right to open: turn the dial to the right until it stops moving.

There are a few safes out there that are R-L-R instead of L-R-L. In that case, you utilize the same procedure except that you would reverse the direction.

Note: See upcoming videos on "forbidden zone," drop point, opening locked safes, combination lock maintenance, troubleshooting, safe tools and the most important tool to open a safe!

Visit my website for On-line and Hands-on Locksmith Training Dates and Cities near you for Beginners, Intermediate, Advanced Locksmithing as well as my Covert Methods of Entry, Non-destructive Methods of Entry and to purchase the Famous "Dumb Key Force Tool" that opens Smart Key locks go to http://mrlocksmithtraining.com/

Terry Whin-Yates is a 3rd Generation Locksmith with a BA (Hons) Criminology. He has 35 years experience in the locksmith and security industry and is a locksmith trainer providing locksmith training to people and businesses all across North America. Terry Whin-Yates‘ BC Security License is B4227.

http://mrlocksmithtraining.com/about-terry-whin-yates/