How To Open A Safe Combination Lock?

Some mechanical combination safe locks may have a keyhole on the dial to prevent manipulations for added security.

If you find a keyhole on your safe combination lock, you need to insert the key to unlock the dial first.

Open A 3-Wheel Safe Combination Lock

If your combination has 3 numbers, then you are using a 3-wheel combination lock. 

1. Turn the dial to the Left(CCW), stop when your first number comes under the opening mark the 4th time.
2. Turn the dial to the Right(CW), stop when your second number comes under the opening mark the 3rd time.
3. Turn the dial to the Left(CCW), stop when your third number comes under the opening mark the 2nd time.
4. Now the combination is entered, turn the dial slowly to the Right until it stops to unlock and retract the bolt.

Open A 4-Wheel Safe Combination Lock

If your combination has 4 numbers, then you are using a 4-wheel combination lock. 

1. Turn the dial to the Right(CW), stop when your first number comes under the opening mark the 5th time.
2. Turn the dial to the Left(CCW), stop when your second number comes under the opening mark the 4th time.
3. Turn the dial to the Right(CW), stop when your third number comes under the opening mark the 3rd time.
4. Turn the dial to the Left(CCW), stop when your fourth number comes under the opening mark the 2nd time.
5. Now the combination is entered, turn the dial slowly to the Right until it stops to unlock and retract the bolt.

Notes:

If you accidentally pass the correct number, you cannot turn back the dial and should start all over from the beginning.