master combination lock reset instructions

How to reset the combination on your Master Lock 875 / 975 Combination Lock

• Enter the combination and pull the shackle to open. If this is a factory-new lock, the combination is 0-0-0-0.
• Turn Shackle 90° to position 1.
• Push shackle in to lock until it clicks.
• Turn shackle another 90° to position 2.
• Set dials at indicator line to desired combination.
• Pull shackle up. ...

Full Answer

How do you change the combination on a Master Lock?

• Open the lock using the old combination.
• Insert the reset tool into the shackle hole.
• Turn the reset tool so that the Master logo is facing you.
• Rotate the dial clockwise 3 times to clear the old combination.
• Enter your new combination.
• Remove the reset tool to lock it.
• Write down the combination in a safe place.

How to change the combination on a Master lockbox?

How to Change the Combination on a Master Lockbox

1. Open shutter door to access the combination dials and the release button. Rotate the dials to the current combination.
2. Push the reset lever to the left and into the downward position. The lever will stay in this position until you've changed your combination.
3. Rotate the combination dials to the combination you want to use.

More items...

How can you unlock a Master Lock without the combination?

Method 1 of 3: Cracking the Code

1. Familiarize yourself with the lock. A lock has three main components. ...
2. Practice pressure. To find a lock combination you will need to pull up gently on the shackle. ...
3. Find the first number. ...
4. Set the first number of the combination as your starting point. ...
5. Turn the dial counterclockwise to find the second number. ...
6. Try combinations. ...
7. Test for the third number. ...

How do I reset a Master Lock?

How do you reset a master lock if you forgot the combination? Open the lock using the previous combination. Insert the reset tool in the hole on the side of the lock. Push the reset tool in and turn 90° in either direction. Set wheels to your new combination. Turn and remove the reset tool. Record your combination in a safe place.

How do you reset a 4 digit master combination lock?

0:001:16Reset the 4 Digit Master Lock Code - YouTubeYouTubeStart of suggested clipEnd of suggested clipSo now what you'll do is open it up and turn it what is that ninety degrees. And push it down andMoreSo now what you'll do is open it up and turn it what is that ninety degrees. And push it down and you'll see there's a tiny little piece of metal. There. You if you're able to push that down.

How do you unlock a combination lock when you forgot the combination?

To open combination locks without a code, start by pulling up on the dial and turning it clockwise until you hear the lock click. Then, check what number you're at, add 5 to that number, and write it down. Next, set the dial to that number and turn it counterclockwise until you hear it click again.

How do you reset a Master combination lock without the code?

0:045:59How to Crack Your Master Lock Combo in 3 Easy Steps - YouTubeYouTubeStart of suggested clipEnd of suggested clipSo you need to apply just the right amount of pressure because right now I'm applying no pressureMoreSo you need to apply just the right amount of pressure because right now I'm applying no pressure and you see it rotates pretty easily. If I applied too much pressure then it's very hard to turn.

How do you open a master lock without the key?

0:371:42How To Open a Lock Without a Key! - YouTubeYouTubeStart of suggested clipEnd of suggested clipThe reverse lock option and then by a few tugs you could just open the lock with no problem at all.MoreThe reverse lock option and then by a few tugs you could just open the lock with no problem at all.

I've lost or forgotten the combination to my Master Lock lock. What can I do?

Does your Master Lock lock have a serial number? If it doesn't, we won't be able to help you find your combination because we don't have a record o...

I lost the combination to my Master Lock Set-Your-Own Combination lock. Can you help me reset it?

Unfortunately no. You cannot reset this lock without knowing the current combination. You'll likely need to purchase a new lock.

I accidentally reset the combination on my Master Lock resettable combination lock. Now I don't know...

Unfortunately, you cannot reset this lock without knowing the current combination. You'll likely need to purchase a new lock.

I've lost the reset tool for changing the combination on my lock. How can I get a new one?

As a courtesy, our customer solutions group can issue you a replacement tool free of charge. You will need to supply the model number or an image o...

How can I retrieve my lost combination when my Master Lock lock is attached to a bike, cabinet, lock...

We will not provide lost combinations if the lock is attached to anything.

I'm unable to get a legible photocopy of my lock for the Lost Combination Form. What should I do?

Try lightening the copy as much as possible. The most important thing is that we can see that the lock is not attached to something.

How do I set the combination on my Master Lock 5400D / 5401D Key Safe?

To set or reset the combination on your Master Lock 5400D / 5401D Key Safe: Open the compartment door by entering the combination. The factory-set...

How do I set the combination on my 5422D / 5423D Push Button Lock Box?

To set or reset the combination on your 5422D / 5423D Push Button Lock Box:Open the lock box by entering the combination. If you're setting the com...

How do I set the combination on my 5424D / 5425D Spare Key Storage Safe?

To set or reset the combination on your 5424D / 5425D Spare Key Storage Safe: Open the compartment door by entering the combination. The factory-se...

How do I set the combination on my Master Lock 5406D Spare Key Storage Safe?

To set or reset the combination on your Master Lock 5406D Spare Key Storage Safe: Open the compartment door by entering the combination. The factor...

How to reset a lock?

1. Open the lock using the old combination. Once you open the lock, turn the shackle off to the side so that you can access the shackle hole. If you do not have the old combination to the lock, you will not be able to reset it. If this is the first time you are using the lock, use the preset combination.

How to enter a new combination on a shackle?

Enter a new combination by pushing the dial up, down, right, or left. Your combination can be as long or short as you want it. You can use any combination of up, down, right, or left as you want. When you are done, push the shackle back down into the hole to lock it.

What is the master logo on a lock?

The Master logo at the top should be turned to the side to face the shackle of the lock. Make sure to push the tool all the way in. The reset tool is a long stick with a rounded top that says “Master” on it. This came with the lock when you bought it. If you do not have this tool, you will not be able to reset the lock.

How to clear old combination on a lock?

Rotate the dial clockwise 3 times to clear the old combination. This will ensure that your new combination works and that the lock isn’t still set to the old combination. You must do 3 full rotations, ending on the same numeral that you started on. ...

Where is the reset button on a lock?

The reset switch is located on the back of the lock. When it is off, the switch will be on the bottom of the lever. If it is on, it will be on the top. Press up to turn it on. If the lock is brand new, there will be a sticker covering the lock. Peel this off to find the switch.

Where is the serial number on a master lock?

The serial number may be located on the back or bottom of the lock . If you have a “Set Your Own Combination” lock, you cannot retrieve your lost combination, even if you find a serial number. This is because you set the combination and not the company. For security purposes, newer Master Locks may not have serial numbers.

Can you reset a master lock if you don't have a serial number?

If you don’t have a “set your own” lock, you cannot reset the combination. If your lock has a serial number, however, you can get your combination by contacting Master Lock. Steps.

What You Will Need to Follow This Tutorial

In order to reset a master combination lock 4 digit code, you will need a reset tool. Most combination locks will come with their reset tools, but bike locks may not. If you do not own a reset tool yet, get the item from the lock manufacturer.

Step By Step Instructions

Adjusting the dials to 0 is the beginning step to reset combination padlock. Then, take the reset tool and push it in the side hole of your lock chamber. Turn the item about 90° in either direction.

Details About 4 Digit Combination Lock

The 3 digit combination lock is a thing of the past now. The long-lasting 4 digit version is simple with higher security and efficiency.

Summary

Resetting combination locks is not a difficult task once you know how the lock mechanism works. We hope this article about how to reset a 4 digit combination lock has provided you with helpful information to finish the job.

Q: How do I set or reset the combination on a "Set-Your-Own" combination padlock model 175EURD?

To set your own combination: (REMEMBER: Combination can only be set when lock is open.)

Q: How do I change the combination on a "Set-Your-Own" combination lock model 1520EURD, 1523EURD, or 1534EURD?

Open and withdraw shackle. Note: For first time use, position wheels so that the numbers 0-0-0-0 aligns with the Master logo.

Q: How do I set or reset the combination on a combination locker lock model?

Print or view the installation instructions for our built-in locker locks.

Q: How do I change the combination on a combination locker lock model?

View the instructions on how to change the combinations on your built-in locker locks.

Q: How do I set or reset my "Set-Your-Own" combination lock model M40EURDNUM?

Locate ‘reset’ tool on back of package. Insert tool in side of lock. Lock must be OPEN to reset.

Q: How do I set or reset the combination on my Master Lock 1550 backpack lock?

Align the dials to the previous combination. The factory-set combination is 0-0-0.

Q: How do I locate the preset combination for the 1500iEURD and then reset the combination?

The instruction sheet is located inside the packaging, in a drawer behind the plastic card. Use a pair of scissors to cut through the packaging and access the leaflet. The preset combination code is located on the upper right side of the instruction sheet.

2. Clear the Lock

The thumb rule for cracking any lock is to establish a standard point from which you can launch your cracking process. When it comes to the master lock, the starting point is clearing the lock. To clear the lock, you should start by spinning the dial a minimum of three or four times, ensuring you pass the zero mark every time.

3. Crack the 3rd Number in the Combination

After clearing the lock in the cracking procedure, the next step is to look for the 3rd number of your combination. This may sound a little bit odd. You could be wondering why not start by cracking the first number in the combination.

4. Find the 1st Sticking Point

While rotating the lock’s dial in the anticlockwise direction as per the step above, you will find yourself reaching a point where you cannot rotate the dial freely. You will notice that the dial is stuck in a groove between 2 numbers.

5. Find the 2nd Sticking Point

Having found the first sticking point, our next objective is to get the second one. To achieve this, you have to start by releasing the shackle tension and then turning the dial slightly clockwise past the 1st sticking point, 6 or 6.5 in our example above.

6. Find the Rest of the Sticking Points

Having obtained two of the twelve sticking points, you need to look for the remaining ten by repeating the same procedure to crack the 3rd number in the combination. Ensure that you record all the sticking points as you had done with the first two.

7. Crack the 1st Number in the Combination

As aforementioned, cracking the other numbers leaves you with ten possibilities. To begin with, you have to divide the distinct number or the third number by four. In our case, it is dividing 29 by four. When you have divided, your concern shall be the remainder which is 1.

8. Crack the 2nd Number in the Combination

Having cracked the first number, you should be able to crack the 2nd number. To crack the 2nd number of your combination, you go back and check the remainder you used in the above step. In our case, the remainder was one. You are supposed to add two to one (1+2).