How to turn the code of the old-fashioned safe

The so-called old-fashioned safe is the traditional mechanical, is the use of gear meshing, to achieve the opening. The old-fashioned safe password is a mechanical password, the traditional mechanical principle of structure, the password is unchangeable.

Safe combination lock principle, the number lock on the safe holds the key to open the lock, the common number lock has three groups of unlocking number, each group has two digital numbers.

Password a **** has four digits, the operation steps are as follows:

The first step: randomly turn the dial to the left 2 turns.

The second step: the first bit of the password clockwise rotation aligned with the red pointer 4 times (pay attention to can not be not in place nor over the head, right on the can).

Step 3: Based on the alignment in step 2, turn counterclockwise and align the second code with the pointer 3 times.

Step 4: Based on the third step of alignment, turn clockwise and align the third code with the pointer 2 times.

Step 5: Based on the fourth step of alignment, turn counterclockwise and align the fourth code to the pointer without moving.

Step 6: Turn the key in the center, depress the left handle, and open the door outward.

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