"Set-Your-Own" Combination Locks Instructions FAQs

Q: How do I set or reset the combination on a "Set-Your-Own" combination padlock model 175, 176, 177 or 178?

A:

Models #175, 176, 177 and 178:

  • Open lock with the factory set or previously set combination. The lock must be set to the current combination, or you cannot reset it. Note: the shackle must be in the open position to reset the combination.
  • Insert reset tool (enclosed in package) in hole on side of lock.
  • Push reset tool in and turn 90 degrees (in either direction). Reset tool automatically stays in this position.
  • Set wheels to desired combination.
  • Turn and remove reset tool. Lock is now set to new combination.
  • Record your new combination in a safe place.

Store your combination at www.masterlockvault.com - a FREE service from Master Lock! The Master Lock Vault provides a safe & convenient place to store all of your confidential data for quick & easy access from your PC, iPhone, or any other mobile devices!

Q: How do I change the combination on a "Set-Your-Own" combination lock model 1520D, 1523D, 1524D, or 1534D?

A:

Below are instructions for changing the combination on your 1523D/1524D/1534D/1534DBBR/1534DWHT/1534DBLU/1534DBLK/1534DPNK combination lock:

  1. Open lock and withdraw the shackle.
  2. Pull spring loaded metal end cap off.
  3. Remove all 4 or 5 combination wheels.
  4. IMPORTANT: Make sure the red marks remain aligned with Master logo. Install wheels so your desired combination aligns with the Master logo.
  5. Snap metal end cap back into place. (Note: If end cap will not mount properly, check wheels to make sure they are right side up.)
  6. Close shackle and scramble wheels to lock.

Note: Please secure your NEW combination in a safe place since you are the only one who knows what it is!

Store your combination at www.masterlockvault.com - a FREE service from Master Lock! The Master Lock Vault provides a safe & convenient place to store all of your confidential data for quick & easy access from your PC, iPhone, or any other mobile devices!

Q: How do I change the combination on a "Set-Your-Own" combination lock model #643D?

A:

Here are the instructions for changing the combination on your model 643D lock. This lock is preset at the factory to operate at 0-0-0-0.

  1. With dials at 0-0-0-0, pull out the shackle.
  2. Turn shackle 90 degree (1/4 turn) so notch on shackle is aligned with notch in lock body.
  3. Press and hold the shackle down.
  4. Set the dials to your own combination by lining up middle of numbers with red stripe.
  5. Lift and return the shackle to closed position.
  6. Scramble the dials to lock.

Note: Be sure to record your NEW combination as you are the only one that knows it!

Store your combination at www.masterlockvault.com - a FREE service from Master Lock! The Master Lock Vault provides a safe & convenient place to store all of your confidential data for quick & easy access from your PC, iPhone, or any other mobile devices!

Note: The lock may only be reset when it is in the open position. If you do not recall the combination the lock is set to, you will not be able to reset the combination.

Q: How do I change the combination on a "Set-Your-Own" combination lock model #643DWD?

A:

Here are the instructions for changing the combination on your model 643DWD lock. This lock is preset at the factory to operate at P-L-A-Y.

  1. Decide on your new 4 letter combination - choose from suggestions on reverse side or create your own.
  2. With dials at P-L-A-Y (middle of letters should be aligned with red stripe), pull out the shackle.
  3. Turn shackle 90 degree (1/4 turn) so notch on shackle is aligned with notch in lock body.
  4. Press and hold the shackle down.
  5. Set the dials to your desired combination by lining up middle of letters with red stripe.
  6. Lift shackle, return to closed position and hold shackle down while scrambling letters to lock.
  7. To re-open lock, set dials to your combination and lift shackle.

Note: Be sure to record your NEW combination as you are the only one that knows it!

Store your combination at www.masterlockvault.com - a FREE service from Master Lock! The Master Lock Vault provides a safe & convenient place to store all of your confidential data for quick & easy access from your PC, iPhone, or any other mobile devices!

Note: The lock may only be reset when it is in the open position. If you do not recall the combination the lock is set to, you will not be able to reset the combination.

Q: How do I change the combination on a "Set-Your-Own" combination lock model #653D?

A:

Here are the instructions for changing the combination on you model 653D lock. This lock is preset at the factory to operate at 0-0-0-0.

  1. With dials at 0-0-0-0, pull out the shackle
  2. Turn shackle counterclockwise 90 degree (1/4 turn)
  3. Continue pressing shackle down and turn another 90 degree (1/4 turn)
  4. Set the dials to your own combination
  5. Turn shackle clockwise back to the original 90 degree position, lift and return shackle to closed position

Note: Be sure to record your NEW combination as you are the only one that knows it!

Store your combination at www.masterlockvault.com - a FREE service from Master Lock! The Master Lock Vault provides a safe & convenient place to store all of your confidential data for quick & easy access from your PC, iPhone, or any other mobile devices!

Note: The lock may only be reset when it is in the open position. If you do not recall the combination the lock is set to, you will not be able to reset the combination.

Q: How do I change the combination on my key, mini or portable safe?

A:

Instructions for Set-Your-Own Combination Key, Mini, or Portable Safes:

Note: Once the lock is set, there is no way to open it without the combination. Please make sure you record your NEW combination in a safe place.

Store your combination at www.masterlockvault.com - a FREE service from Master Lock! The Master Lock Vault provides a safe & convenient place to store all of your confidential data for quick & easy access from your PC, iPhone, or any other mobile devices!

Q: How do I open or reset my TSA Approved Master Lock Travel Sentry Certified lock Model # 4680DBLK or # 4680DNKL?

A:

View instructions on how to change/reset the combination for your TSA Approved Master Travel Sentry™ Certified lock.

Note: Once the lock is set, there is no way to open it without the combination. Please make sure you record your NEW combination in a safe place.

Store your combination at www.masterlockvault.com - a FREE service from Master Lock! The Master Lock Vault provides a safe & convenient place to store all of your confidential data for quick & easy access from your PC, iPhone, or any other mobile devices!

Q: How do I reset a “Set-Your-Own” combination cable?

A:

Here are instructions for resetting your "Set-Your-Own" combination cable:

  1. Open the lock using the factory set combination of - - - - .
  2. Flip the reset lever to the up position to reset your combination.
  3. Reset the combination making sure the desired numbers are lined up with the pointer.
  4. Flip the reset lever to the down position to complete the setting of the combination, making sure you do not move the number dials.
  5. Test the new combination by fully inserting the lock prong into the cylinder hole and read the number.

Note: Please secure your NEW combination in a safe place since you are the only one who knows what it is!

Store your combination at www.masterlockvault.com - a FREE service from Master Lock! The Master Lock Vault provides a safe & convenient place to store all of your confidential data for quick & easy access from your PC, iPhone, or any other mobile devices!

Q: How do I reset a “Set-Your-Own” Word combination cable?

A:

Here are instructions for resetting your "Set-Your-Own" Word combination cable:

  1. Spin the wheels until you decide on a 4 or 5-letter word for your new combination. Visit Master Lock Bike and select customer support for examples. Record your choice.
  2. Dial the combination wheels to read R-I-D-E-R and withdraw the cable.
  3. Turn the knob 90 degrees in a clockwise direction until it stops.
  4. Reset the combination wheels to the desired word making sure the letters line up with the marks on the case.
  5. Once you have selected your word combination, turn the knob back to the original position in a counterclockwise direction.
  6. Your new combination is now set.
  7. You may reset the combination as often as you like.

Note: Please secure your new combination in a safe place since you are the only one who knows what it is!

Store your combination at www.masterlockvault.com - a free service from Master Lock! The Master Lock Vault provides a safe & convenient place to store all of your confidential data for quick & easy access from your PC, iPhone, or any other mobile devices!

Q: How do I reset the combination on my 7147D Storage Security Cash Box?

A:

Instructions for operating your 7147D:

Note: Once the lock is set, there is no way to open it without the combination. Please make sure you record your new combination in a safe place.

Store your combination at www.masterlockvault.com - a free service from Master Lock! The Master Lock Vault provides a safe & convenient place to store all of your confidential data for quick & easy access from your PC, iPhone, or any other mobile devices!

Q: How do I reset the combination on my Receiver Lock with Key Safe, model 1467DAT?

A:

Click on the following PDF file to download instructions on how to set/reset the combination for your 1467DAT Receiver Lock with Key Safe.

Note: Be sure to record your combination. Store in safe location.

Store your combination at www.masterlockvault.com - a free service from Master Lock! The Master Lock Vault provides a safe & convenient place to store all of your confidential data for quick & easy access from your PC, iPhone, or any other mobile devices!

Q: How do I set or reset a Master Lock combination padlock that has a resettable “Set-Your-Own” combination? I would like to reset the lock to a different combination, but have lost the instructions for this. Can you help me?

A:

Click on the PDF below that matches your lock model number for instructions on how to change/reset the combination:

Note: Once the lock is set, there is no way to open it without the combination. Please make sure you record your new combination in a safe place.

Store your combination at www.masterlockvault.com - a free service from Master Lock! The Master Lock Vault provides a safe & convenient place to store all of your confidential data for quick & easy access from your PC, iPhone, or any other mobile devices!

Q: How do I set or reset a Master Lock luggage lock that has a resettable “Set-Your-Own” combination? I would like to reset the lock to a different combination, but have lost the instructions for this. Can you help me?

Q: How do I set or reset my "Set-Your-Own" combination lock model 179LH?

A:

Here are the instructions on how to change the combination to your model #179 lock:

  • To Open: Turn each digit to "0" and depress shackle.
  • To Lock: Depress Shackle. Scramble digits.

Important: When changing to new combination, dial setting must remain on old combination!

Before leaving the factory, your combination padlock has been set to open at 0-0-0-0.

To Reset a New Combination:

  • Open Lock and expose shackle hole.
  • Leaving digit wheels on old combination, insert attached combination changing tool and press it as far as it will go. turn the combination tool 180 degrees until it is aiming at the shackle. Warning: If the combination changing tool is not fully depressed, a lost combination will result!
  • Set digits to your own personal combination and make sure the numbers are perfectly in line with the indicator.
  • Return combination changing tool 180 degrees and remove.
  • Depress shackle. If shackle cannot return to locking position, the change of combination is not successful. Adjust the dials so that they are lined up exactly with the indicator.
  • Spin the dials.

Note: Please make sure you record your NEW combination in a safe place since you are the only one that knows it!

Store your combination at www.masterlockvault.com - a free service from Master Lock! The Master Lock Vault provides a safe & convenient place to store all of your confidential data for quick & easy access from your PC, iPhone, or any other mobile devices!

Q: How do I set or reset my “Set-Your-Own” combination lock model M175XDLF?

A:

View instructions on how to change/reset the combination for M175XDLF Combination Lock.

Note: Once the lock is set, there is no way to open it without the combination. Please make sure you record your NEW combination in a safe place.

Store your combination at www.masterlockvault.com - a free service from Master Lock! The Master Lock Vault provides a safe & convenient place to store all of your confidential data for quick & easy access from your PC, iPhone, or any other mobile devices!

Q: How do I set or reset my “Set-Your-Own” combination lock model M40XDWD?

A:

View instructions on how to change/reset the combination for M40XDWD Combination Lock.

Note: Once the lock is set, there is no way to open it without the combination. Please make sure you record your NEW combination in a safe place.

Store your combination at www.masterlockvault.com - a free service from Master Lock! The Master Lock Vault provides a safe & convenient place to store all of your confidential data for quick & easy access from your PC, iPhone, or any other mobile devices!

Q: How do I set or reset the combination for my Sports Series Ultra Combo (ML285) 5 ft x 12 mm cable combo lock?

A:

Click on the following PDF file to download instructions on how to set/reset the combination for your lock.

Note: Be sure to record your combination. Store in safe location.

Store your combination at www.masterlockvault.com - a free service from Master Lock! The Master Lock Vault provides a safe & convenient place to store all of your confidential data for quick & easy access from your PC, iPhone, or any other mobile devices!

Q: How do I set or reset the combination on a retractable cable lock model 4603 or 4605?

A:

Instructions to set or reset the combination for:

Note: Once the lock is set, there is no way to open it without the combination. Please make sure you record your NEW combination in a safe place.

Store your combination at www.masterlockvault.com - a free service from Master Lock! The Master Lock Vault provides a safe & convenient place to store all of your confidential data for quick & easy access from your PC, iPhone, or any other mobile devices!

Q: How do I set or reset the combination on my "Set-Your-Own" combination bike or cable lock?

A:

Please look for specific directions under the model number of your lock.

Model #8114:

  • Open the lock & withdraw the cable.
  • Turn the collar (circular, ribbed & in front of the combination wheels) - clockwise until it stops (about halfway around).
  • Set the combo wheels to your desired combination.
  • Turn the collar counterclockwise until it stops at its original position.
  • Record your new combination in a safe place.

Model #8119 and 8122:

  • The lock is preset to open at 0-0-0-0.
  • Set the combination dials to 0-0-0-0 and withdraw the cable.
  • Turn the knob 90 degrees in clockwise direction to the designated position.
  • Reset the combination dials to the desired combination, making sure the numbers are lined up with the marks on the case.
  • Once you have selected your combination, turn the knob back to the original position in a counterclockwise direction.
  • Store your combination at masterlockvault.com

Model #8280 (Pro-Sport):

  • Press the button and remove u-bar from lock body.
  • Open the anti-dust cover and align the opening combination to the guide points.
  • Push the red button towards notch in body. Hold down (there should be a clicking sound).
  • Turn the dials to your desired combination.
  • Pull back reset button to its original position. The lock should now be reset to your new combination.
  • Record your new combination in a safe place.

Store your combination at www.masterlockvault.com - a free service from Master Lock! The Master Lock Vault provides a safe & convenient place to store all of your confidential data for quick & easy access from your PC, iPhone, or any other mobile devices!

Q: How do I set or reset the combination on my backpack lock model #1542, 1544, 1547, 1548 or 1554?

A:

Here are the instructions on how to reset the combination on your backpack lock (which is pre-set at the factory to open to combination 0-0-0):

  1. With dials at 0-0-0 (or combination the lock was previously set to), push in the shackle
  2. With shackle pushed in, set your new combination
  3. Release shackle and scramble wheels to lock
  4. Be sure to record your new combination as you are the only one who knows it!

Store your combination at www.masterlockvault.com - a free service from Master Lock! The Master Lock Vault provides a safe & convenient place to store all of your confidential data for quick & easy access from your PC, iPhone, or any other mobile devices!

Note: The lock may only be reset when it is in the open position. If you do not recall the combination the lock is set to, you will not be able to reset the combination.

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

A:

Here are the instructions on how to reset the combination on your backpack lock (which is pre-set at the factory to open to combination 0-0-0):

  1. Align dials to preset combination (0-0-0).
  2. While pushing in button located on the bottom of the lock, turn the dials to any combination you choose.
  3. Release button only after you have finished choosing your combination.
  4. The lock is now ready to be used. To change your new combination again, dial your combination and repeat steps 2-3.
  5. Don't forget to write your combination down and keep it someplace safe!

Store your combination at www.masterlockvault.com - a free service from Master Lock! The Master Lock Vault provides a safe & convenient place to store all of your confidential data for quick & easy access from your PC, iPhone, or any other mobile devices!

Q: How do I set or reset the combination on my Fortress "Set-Your-Own" combination locks model 622D & 627D?

A:
  1. Open the lock (preset at 0-0-0).
  2. Turn shackle counterclockwise 180 degree and press it down. You must hold the shackle down while performing the next step.
  3. Set the dials to your new combination.
  4. Lift and return the shackle to the closed position.

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

A:

Click on the PDF for instructions:

Note: Once the lock is set, there is no way to open it without the combination. Please make sure you record your new combination in a safe place.

Store your combination at www.masterlockvault.com - a free service from Master Lock! The Master Lock Vault provides a safe & convenient place to store all of your confidential data for quick & easy access from your PC, iPhone, or any other mobile devices!

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