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Amy Zoller Posted on Oct 15, 2018
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I have an old Master Lock 3 digit keychain lock I can't unlock and I do know the combination

1 Answer

Jean DeLauche

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  • Master 2,911 Answers
  • Posted on Oct 15, 2018
Jean DeLauche
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Joined: Sep 01, 2014
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Hello, Amy -

If you have not already done so, I suggest you contact the Masterlock company regarding how to obtain the combination for your lock.

This is the link to the Masterlock homepage:
https://www.masterlock.com/

On the homepage, you should see a link to Service & Support near the top of the page. Click or tap on that link.

On the Service & Support page, you should see a link to Lost Combinations. Click or tap on that link.

On the Lost Combinations FAQs page,if your lock is an "old style" dial combination lock, first open the first question: Q: I've forgotten the combination to my standard dial combination lock. Follow the on-screen directions.

Look through the list of other FAQs and open any which are relevant to you and read the information provided.

Best wishes.

5 Related Answers

Anonymous

  • 1036 Answers
  • Posted on Jun 12, 2008

SOURCE: Master Lock luggage lock

This PDF document explains it carefully -

http://www.masterlock.com/faq/pdf/620_630_646_647_Instruction_Sheet.pdf

Hope this helps.

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ARTGIRTNY575

DASEP

  • 96 Answers
  • Posted on Jul 18, 2008

SOURCE: My Brass Master Lock Combination

You need to make sure you are putting the righ combination. Try to put it the opposite way also for example

3645 or 5436

How many numbers are in the combination?...if it is a 3 number system it should be easy.
Artgirl

Anonymous

  • 195 Answers
  • Posted on Mar 28, 2009

SOURCE: get the numbers master dial combination lock

Buy the identical lock if possiable and return as defective and they will reset. Otherwise odds or 1 in 999,000 differant combos. This is airport baggage security lock.

Please rate. Thanks

Anonymous

  • 2 Answers
  • Posted on Jun 07, 2010

SOURCE: my master lock 1547 lock combination was changed and i cant open it

it worked for me .. a good flashlight and magnifying lens will help.

http://www.lockpicking101.com/viewtopic.php?t=15243

Anonymous

  • 541 Answers
  • Posted on Jul 05, 2010

SOURCE: how to reset an open master lock

your answer is on this site
http://www.masterlock.com/faq/lostcombo.shtml

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Related Questions:

0helpful
1answer

How do I can unlock dial lock

The master dial lock is the world's best selling combination padlock.The lock uses three digit combination of 40 numbers.allowing for 15,00 possible variations
.Follow these step to unlock dial lock. 25284217-gdc3ufgmlwaqnv2deqjxyac2-5-0.jpg With the Combination Step 1 Turn the lock until the numbers read right-side-up. Roll the left-most dial until the first number of your combination lines up with the scored hash mark just to the left of the dial.
With the Combination Step 2 Roll the middle dial until the appropriate number lines up with the number to its left. Do the same for the right-most number. Your three-digit combination should now show, left to right, lined up with the scored hash marks.
With the Combination Step 3 Pull the body of the lock away from the U-shaped metal ring without turning any of the dials. The lock will click open to expose a hook. The hook spins 360 degrees so that it can be placed onto, and taken off, luggage.
Forgotten Combination Step 1 Pull the body of the lock and the U-shaped ring away from each other to put pressure on the mechanism inside the lock. Pull the body of the lock away from its attachment, or, if the lock is not attached, apply pressure on the U-shaped ring away from the body of the lock with your fingers. Keep holding a firm, steady pressure.
Forgotten Combination Step 2 Roll the dial closest to the U-shaped ring slowly, while keeping steady pressure on the mechanism. The dial will get difficult to roll over three consecutive numbers, and one of those numbers will click. You should feel and hear this small click, and that is the first number to your combination.
Forgotten Combination Step 3 Repeat Step 2 with the middle dial, and then the farthest dial. Leave the dial set when you find the click, moving onto the next dial. The combination will reveal itself, letting you pull the U-ring away from the body of the lock.
Resetting Your Combination Step 1 Hold the body of the lock so that the numbers face away from you. Set the combination and release the U-shaped ring.
Resetting Your Combination Step 2 Turn the hook of the U-shaped ring counterclockwise 90 degrees until the notch on the stem of the hook and the hole on the body of the lock line up. Push the stem of the hook down into the body of the lock as far as it will go.
Resetting Your Combination Step 3 Turn the hook another 90 degrees counterclockwise while it is depressed into the body of the lock.
Resetting Your Combination Step 4 Roll the dials until you have your new combination.
Resetting Your Combination Step 5 Turn the hook 90 degrees clockwise and raise the stem out of the body of the lock. Turn it another 90 degrees clockwise and push it back into the locked position. The lock now uses your new combination.
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  • Email yourself the password to your lock, and title the email "Luggage Lock." If you forget the password in the future, simply search your email for the term "Luggage Lock."

WARNING
  • Do not open a lock that does not belong to you. It is against the law.

REFERENCES
RESOURCES
ABOUT THE AUTHOR Christopher Michael began writing in 2004 for his college newspaper. He received a Bachelor of Arts in English and psychology, as well as a certificate in criminal justice from the University of Massachusetts, Amherst.
PHOTO CREDITS
  • Creatas/Creatas/Getty images

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  • 0helpful
    1answer

    How to reset combination

    To set a new combination:
    The initial combination is set at the
    factory to 0-0-0-0
    1. Open the compartment door
    2. Push the reset lever left and down.
    The lever remains in this position
    3. Rotate dials to your desired combination
    4. Push the reset lever, up and right, back
    to the original position
    5. Close the key storage compartment door
    6. Scramble the combination dials to lock
    the door and conceal your combination
    7. Close the shutter door
    0helpful
    1answer

    How do you crack a master lock 1534d?

    I just unlocked a 1534 4-digit lock I couldn't open for 2 years. I found the info online. Use a flat blade to spread the wheels apart slightly and look for the red mark on each wheel. There were only three metal tabs on each wheel on mine so if this is the same on yours and you can't find the tab with the red mark, worst case senario would be to record each number shown at the mark when one of the tabs is lined up. It will take 3^x turns max to find the combination without locating the red marks. For 4 wheels, that is 3x3x3x3 or 81 possible combinations. For 5 wheels, it would be 3x3x3x3x3 or 243 possible combinations.

    If you can find all but one red mark, line them up with the mark on the lock and go through all digits on the one you couldn't find. Shouldn't take too long. I tried to unlock mine by brute force (every possible combination of 10000 choices) and ran out of steam less than half-way through. That was with only 4 wheels and 10 digits each.
    0helpful
    2answers

    I have a 418-392 Brinks combination lock and don't have the combination

    I have the same lock and a forgotten combo. Did you ever find out how to get it open and reset?
    0helpful
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    No directions came with Master Lock 8143d. Do not know how to set combination to unlock and then set for my use?

    The information "out there" is that this is a fixed combination lock, meaning not changeable.
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    Can not unlock ipod

    Hi,

    How to Unlock an iPod


    Your later generation Apple iPod can be locked to protect your personal data from anyone else's eyes. There are a variety of ways to unlock it depending on your access to the combination, the primary computer linked with the iPod, or neither.
    Difficulty: Easy
    Instructions

    Unlock with the Combination

    Remember the 4-digit combination you used to set the screen lock.

    Enter the exact combination. If the combination is correct, the iPod unlocks and displays the screen you were on before you locked it.

    The numbers on the screen flash red if you enter the code incorrectly.
    Unlock with the Primary Computer



    Plug the iPod into the primary computer linked to that iPod, the first computer you synchronized it with unless you have designated another computer as the primary computer.

    Open iTunes and sync the iPod as normal.


    Remove the iPod, following the normal removal procedure. The iPod unlocks automatically as you remove it.
    Unlock by Restoring


    Restore the iPod to factory settings if you do not have access to your primary computer. This erases all of the data you have stored on the iPod.

    Plug your iPod into the new computer you want to be the primary computer. Open iTunes and click on the "Restore" button.

    Reload your data, if it is available and sync your iPod. Remove it following normal procedures.

    Have a nice day..
    2helpful
    3answers

    I have a master lock 1534D and can't remember the combo. How can I reset it?

    Check the MasterLock web site to see if they still offer to provide for forgotten combinations. Some years ago I got a combination for a standard rotary dial lock by providing the usual identification information plus a photo of the lock showing its serial number.
    0helpful
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    My Brass Master Lock Combination Lock is refusing to unlock. A couple of the combo numbers seem to be "sunk in" a bit. I tried WD40 but still will not unlock and I need to open my gate. This lock...

    You need to make sure you are putting the righ combination. Try to put it the opposite way also for example

    3645 or 5436

    How many numbers are in the combination?...if it is a 3 number system it should be easy.
    Artgirl
    Not finding what you are looking for?

    757 views

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