How to Crack a "Master Lock" Combination Lock (with Pictures)1. Turn the dial at least three rotations clockwise first, just to make sure it is clear. Turn the lock's dial clockwise to zero. Apply pressure on the shackle, which is the curved handle at the top of the padlock. ![]() Turn the dial clockwise (CW) slowly as you press the shackle. If you can't turn the dial at all from the zero point, release the shackle and turn the dial CW just a number or 2 and then try it again. Find the first sticking point. As you turn the dial CW with tension on the shackle, you will come to the first clockwise stopping point where you can't turn the dial anymore. Make note of where it stops. Sometimes, the dial will stick right on the numbers, but sometimes the sticking point will be between the numbers. If so, record the number to the half (example: 2. While continuing to apply tension to the shackle, turn the dial as far left (counter- clockwise) as you can. Make note of the first counter- clockwise (CCW) stopping point. The CCW stopping point and CW stopping point form your sticking "range", for example, 2. Note: Some 8. 00. ![]() XXX and 9. 08xxx locks have a two number sticking range [for example, 2. Determine the first sticking point by finding the number that's in the midpoint of the sticking range. A range of 4 and 5 would have a first sticking point of 4. A range of 2. 2. 5 and 2. Each set of numbers that you find will have the same range. For example, one group may be 0. Release the shackle tension and turn the dial clockwise slightly past the first sticking point. Turn the dial clockwise about one number higher from the first sticking point in order to allow you to "escape" that sticking point. Reapply tension to the shackle and continue turning the dial clockwise to find the rest of the sticking points. A safe (also called a strongbox or coffer) is a secure lockable box used for securing valuable objects against theft and/or damage from fire. A safe is usually a. INKASĀ® Safe Manufacturing specializes in Luxury Safe design, production and service. Our Luxury safes with watch winder, leather interior, mirrors and many more. You should find 1. Write all 1. 2 sticking points down. Find the third number of the combination. Look at your list of sticking points and eliminate all those which are not whole numbers (that is, cross off any number that ends in 0. You should eliminate 7 of the 1. Of the remaining sticking points, choose the number with the unique digit in the "1s" position. Four of the remaining 5 numbers will share the same number in the "1s" place, so for example, if the numbers left on the list are 4, 1. This is the third number of the combination.
If you only have four numbers remaining and they all share the same digit in the "1s" position, check the "note" above in step 3 about a 2- number range.. Find the magic number. Divide the third number of the combination (2. In this case 2. 7/4 = 6 remainder 3. Remember that you are only concerned with the remainder, which will always be 0, 1, 2, or 3. If the third number of the combination is less than four, that is your magic number. The remainder is the magic number. Write it down. 8. Find the possible first numbers of the combination. Add 4 to the magic number (3). Write down the result (7). Now add 4 to that and continue adding 4 to each resulting sum until you have gone completely around the dial once. Write down each of these numbers. For the example above, the numbers would be 3, 7, 1. One of these numbers is the first number of the combination. Note: For some 8. XXX locks, this will be the second number of the combination. The next set of numbers will be used as the first)9. Find the possible second numbers of the combination. If your magic number is 0 or 1, then add 2 to it. Otherwise, subtract 2 from the magic number. Since the example magic number is 3, subtract 2 and get 1. Write down the answer and add 4 to it. Now add 4 to each resulting sum until you have gone completely around the dial once. In the example, the numbers would be 1, 5, 9, 1. One of these numbers is the second number in the combination. Cross out the numbers plus or minus 2 from the third number of the combination. In this example, since 2. Figure out the correct combination by trial and error. You now know all the possible first numbers (3, 7, 1. You've just narrowed down 6. Try every possible combination until you find the right one. For many Master Locks, you can use the following to help figure out the first number.. Apply pressure on the shackle, Turn the dial counter- clockwise (CCW) slowly as you pull the shackle. Once per rotation it should stick. Look at the number when it sticks and add 5 to that value. Find the number you wrote down for the first digit (in step 9) that is nearest the sum. For example if the lock sticks at 1. CCW, you would write down 1. It might not work for 8. XXX locks, but it's still a good starting number to try.]. Speed tip: You don't have to clear the lock to try each combination. You only have to clear the lock when the first or third number exceeds the second for the first time. So we would try 2. CW to 5 and CCW to 2. CW to 9 and CCW to 2. CW to 1. 3 and CCW to 2. CW to 1. 7 and CCW to 2. CW to 2. 1 and CCW to 2. CW to 3. 7 and CCW to 2. The reason this works is the disk for the second digit isn't impacted when we rotate CCW, so we are effectively just setting the 2nd number to a bigger value. When the value gets too big then we effectively passed the first number *twice* and then picked our second digit - - which is why we have to reset when the 2nd number becomes bigger than the first.
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October 2017
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