How to unlock a 3 dial combination lock

A combination lock is a type of lock commonly used to secure lockers and safes that have multiple digit codes that must be entered precisely in a specific sequence to open. Standard combination locks have codes that consist of three numbers that must be entered by manipulating a dial on the front of the lock. Hold the lock so the numbered dial is facing you. The lock should have an arrow or some other indicator at the 12 o'clock position pointing to a certain number on the dial.

Turn the dial three times to the right clockwise and then stop turning when the arrow is pointing to the first number of the combination. Turn the dial to the left counterclockwise one full turn until you are back on the first number and then continue turning to the left until you reach the second number of the combination. Upon reaching the second number, turn the dial to the right until the arrow is pointing to the third number of the combination.

Hold the body of the lock in one hand and the curved metal bar or shackle in the other and pull the two apart to open the lock. Consider writing your lock's combination down and storing it in a safe place in case you forget the combination. Spin the dial of the lock after opening it so others cannot check the dial to figure out the final number of your combination. The Basics Saving. Combination locks are often used to secure lockers.

Step 1 Hold the lock so the numbered dial is facing you. Step 2 Turn the dial three times to the right clockwise and then stop turning when the arrow is pointing to the first number of the combination. Step 3 Turn the dial to the left counterclockwise one full turn until you are back on the first number and then continue turning to the left until you reach the second number of the combination. Step 4 Upon reaching the second number, turn the dial to the right until the arrow is pointing to the third number of the combination.

Step 5 Hold the body of the lock in one hand and the curved metal bar or shackle in the other and pull the two apart to open the lock.

Step 6 Push the shackle down into the hole on the body of the lock to close the lock.

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Tip Consider writing your lock's combination down and storing it in a safe place in case you forget the combination. Share this article. Show Comments.This Instructable will teach you how to crack the code of any combination lock in a matter of seconds!

This skill is only to be used legally and I am not responsible for anything other than teaching you how to unlock your own combination locks that you may have forgotten the code to. Did you use this instructable in your classroom? Add a Teacher Note to share how you incorporated it into your lesson. A combination lock using a bike lock as an example as shown in the pictures above has three or more dials with a keyhole through the centre of them.

When correct code in this case is entered the keyholes of all the dials on the lock become aligned and toothed pin second picture can be inserted. When the dials are moved or jumbled, the keyholes become dis-aligned and the toothed pin cannot be removed and is therefore locked in place. A good grip is necessary because in order to crack the lock you will need to apply a strong and even upwards force on the shackle throughout the entire procedure and this can be difficult to obtain with just bare hands.

Being able to apply strong even force on the shackle is vital in order to put a greater amount of friction on the locks dials so that when a dial is turned to the correct number it will result in a resounding 'click' and a slight upward movement of the shackle. When you feel the shackle move upwards slightly and release a 'click' you can move on to the next dial and repeat the procedure until all the dials on the lock have been completed and the lock has been cracked.

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If the lock is locked onto a solid object such as a gate or a door then a length of rope most likely won't be necessary as having it locked onto something gives you more control and grip thus meaning you will be able to complete the whole procedure with just your bare hands.

To be able to crack your combination lock all you will need is a length of cord or rope around 30cm long and the combination lock that you wish to unlock. First of all you will have to thread your length of rope through the loop on the lock and fold it in half around the shackle as shown in the first photo.

This will become your makeshift handle that will give you a sturdier and stronger grip of the lock to make the procedure easier. Next clasp the rope tightly in your hands and push down on the top of the lock as hard as you can using your thumb finger and make sure to keep exerting the same amount of force on the lock throughout the whole procedure.

While still keeping even pressure on the lock you now need to rotate each of the dials slightly in each direction. You will quickly find the dial that is the hardest to rotate which is the dial you will begin with in my case it was 'C'. Start to gradually rotate the dial that is the until you hear a resounding 'click' and feel the shackle move upwards slightly. Check the dial and make a note of the number that it 'clicked' on then continue to gradually rotate that same dial to double-check in my case dial 'C' was the hardest to rotate and it 'clicked' on '7'.

If it continues to make a 'click' sound on the same number every rotation then you have successfully figured out the first digit of the code and you can now move onto figuring out the next dial.

how to unlock a 3 dial combination lock

Once again rotate each of the remaining dials to find which is the hardest to rotate in my case it was dial 'B'. Repeat the same process you used on the first dial until you have figured out the second digit of your code in my case it was '1'.

If you have a three digit combination lock like what I have demonstrated with, you should now only have one more dial to figure out. All you will need to do now is keep constant pressure on the lock and slowly twist the remaining dial in a full rotation.

As you rotate the dial the last remaining digit needed for the code will match up with the other two you had previously figured out and the shackle should open. I read this looking for a way to unlock my safe and it worked so well and it opened! Thank you so so so so much! Question 5 months ago. Hello, so I have a 4 digit-lock but when I pull the shackle, all the rotating number things seem very difficult to rotate.

I can barely turn any of them. Is this mean to happen? Reply 6 months ago. I totally understand what you are saying.

How to Open a TSA Lock When I Forgot the Combination?

But that only applies to some locks. I have a combination lock with four digits and when you set a combination on it.The idea of someone tossing through your personal belongings, inspecting them and treating them without care is disconcerting.

Handing over your luggage to airline personnel or security can put a pit in your stomach. Fortunately, Master Lock created TSA-approved luggage locks that keep strangers out of your bags while allowing security to open them for inspection using special tools.

Previously, the Transportation Security Administration simply cut the locks off. These three-digit combo locks are meant to be personalized, so you choose the combo. But don't worry. There is a way to open the lock even if you've forgotten the combo. The simplest way to unlock a three-digit lock is the way it was intended — using the combination, and following the Master Lock's instructions.

To do so:. Resetting your Master Lock, set your own combination and you can use it properly in the future according to the original instructions.

Here's how:. Email yourself the password to your lock, and title the email "Luggage Lock.

how to unlock a 3 dial combination lock

Christopher Michael began writing in for Break. Writing sports and travel articles helps support his professional baseball career, which has taken him to 49 states, five continents and four oceans. Tip Email yourself the password to your lock, and title the email "Luggage Lock. Tip Do not open a lock that does not belong to you. It is against the law. About the Author.

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Photo Credits.TSA locks are a great compromise between personal security and national security. They allow travelers to maintain some level of control over who gets into their luggage, while affording TSA officers the ability to open bags if they need to do so. Sometimes a TSA agent does need open a suitcase, perhaps because the suitcase seems to weigh too much or because something looks suspicious on the scanner. If the suitcase is locked, a problem arises. The agent either has to cut the lock or, in some cases, cut the bag itself.

To avoid this potential damage, use a TSA approved lock. If you've forgotten your TSA lock combination, a maker of TSA-approved locks, Travel Sentry, suggests trying every possible combination, beginning with and ending with, through This sounds long and tedious, but Travel Sentry states that only 30 minutes is required, especially if one of the numbers is already known, or the first number is a 0, 1 or 2.

According to Samsonite and Tosca, built-in TSA compliant locks require a call to the company for reset instructions. If the lock is unlocked at the time the combination is forgotten, it's much simpler. Just reset the combination:. As to the likelihood that the TSA agents will use their master keys to open the suitcase before it makes it onto the plane? In fact, only an estimated 4 percent of bags pass through the hands of agents each year — the rest are screened by machines that give them the all-clear.

All rights reserved. By Amy Curtis ; Updated June 08, Dealing with a lock combo you can't remember TSA locks are a great compromise between personal security and national security. Tip Once the combination is reset, email it to yourself to avoid forgetting it in the future. About the Author.

Related Articles.Did you use this instructable in your classroom? Add a Teacher Note to share how you incorporated it into your lesson. Then, hold down the 'reset' button with a pen and start turning the first number clockwise. One number will stop you from turning, this will be your first combination 8 for me.

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Continue this until all three numbers were set and you will be able to push the trigger to open the lock. Hold the reset button like before and change it to your liking. This will be your proper code that can be changed later.

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Thank you for visiting this instructable and I hope that it will be useful if you have forgotten the combination. This worked perfectly as you instructed, I assure you that holding in the reset button properly, was the most difficult part. I received this firearm from my father after he passed. You tutorial allowed me to unlock and reset the combination. I can now safely transport and store properly. Thank you. This doesn't seem to work. With the 3 digits set to 0 and the reset button depressed, all numbers still rotate around They don't stop specifically anywhere.

Reply 8 weeks ago. I did exactly what the instructions said above. With the reset button pressed, I can't turn from zero to nine on any dial, and the dials all rotate around back to zero as many times as I want to turn them. Could Master have disabled this fix to prevent unauthorized access? By Mik Follow. More by the author:. Add Teacher Note. First, set the combination to 0,0,0 Then, hold down the 'reset' button with a pen and start turning the first number clockwise.

One the lock has been opened and closed, you are able to reset the code. Let me know if you have and questions or concerns, I will be sure to reply. Did you make this project? Share it with us! I Made It! How to create a hard-wearing knee patch for your kid's pants! Concrete Class 18, Enrolled. Reply Upvote. NigelH29 2 years ago. DaveA NigelH29 Reply 8 weeks ago. CJF13 3 months ago.The Master dial lock is the world's best selling combination padlock. It's a familiar sight on school and institutional lockers, bicycle chain and shackle locks, and gates and sheds with hasp and staple style fasteners.

The lock uses a three digit combination of 40 numbers, allowing for possible variations.

how to unlock a 3 dial combination lock

Opening the lock is simple and straightforwardoften the most difficult task is remembering the combination. Follow these steps to unlock a Master combination padlock.

Obtain the combination. If you don't have it, follow the link below to request it from the manufacturer. School and institutional locks sometimes have keyways as well as combinations. If so, check with your administrator or manager about opening the lock. Turn the dial to the right at least three revolutions and stop on the combination's first number. The number must align with the triangular indicator at the top of the lock's body. Pin Share Tweet Share Email. Step 1. Step 2.

How to Open a TSA Lock When I Forgot the Combination?

Step 3. Turn the dial to the left, passing the first number once. Stop at the second number. Step 4. Turn the dial to the right again and stop on the third number. Step 5. Pull the shackle up or pull the lock down to open the lock.

Show Comments.A combination lock is a type of padlock that uses a unique series of numbers called a combination to open the lock. There are two basic types of combination locks: those with multiple dials and those with a single dial. If you know the combination of the lock, you can open the lock using a standardized procedure based on the type of lock. Determine the combination for the lock with multiple dials. You can usually find this series of numbers on a sticker attached to the lock at the time of purchase.

Determine the combination for the single-dial combination lock. You should be able to find this on a sticker attached to lock when you buy it. Turn the combination dial from left to right three times, stopping on the first number of the combination after three full turns of the dial.

Turn the combination dial from right to left. After completing a full rotation, stop on the second number of the combination during the second rotation. Since Matt McGew has provided content for on and offline businesses and publications. Share It. Adjust each dial on the combination lock to its appropriate setting. Pull the padlock portion of the lock up to unlock the multiple dial combination lock.

Turn the combination dial from left to right, stopping on the third number of the combination. Pull the padlock portion of the lock up to unlock the single-dial combination lock.

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