How do you reset a Master combination lock?
- 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.
How do you set the combination on a Master Lock?
- Find your combination. …
- Go to the first number. …
- Set the second dial on the lock to the second number in the combination. …
- Use the third wheel to find the third number in the combination. …
- Locate the fourth number in the combination on the bottom wheel on the lock and center it.
How to open Master 175?
- Start your dial on 0.
- Pull up hard on the shackle and hold.
- Turn the dial counterclockwise.
- It will stop in-between two positions, in this case, 1.5 and 2.5.
- Use the number in-between those positions and record it.
- In this case, it's 2.
How do you unlock Master Lock?
Open the lock with a grinding tool
- Check the direction of the lock That’s the side where the shackles will fall off. You can check it by looking at the keyhole. ...
- Smooth the side where the shackle will fall off Since that will be the side where the pins exist, you’ll need to grind until you see the pins ...
- Open the padlock
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...
Lost Combinations
I've lost or forgotten the combination to my Master Lock lock. What can I do?
Resetting the Combination on your Key Safe, Mini Safe, & Portable Safes
How do I set the combination on my Master Lock 5400D / 5401D Key Safe?
Resetting your Combination Lock
How do I set or reset the combination on my 175 / 176 / 177 / 178 Master Lock Set-Your-Own Combination Lock?
Step 1
Set the wheels on the bottom of the Master Lock 175 combination lock, to the current combination. If no combination has yet been set, rotate each wheel to "0."
Step 2
Unshackle the lock. Insert the special key into the keyhole in the side of the Master Lock 175 combination lock, and push the key all the way in.
Step 4
Set the wheels to the desired combination. If writing down the new combination, place the written combination in a secure place.
Step 5
Turn the key back to its original position, 90 degrees from its current position. Remove the key.
Step 6
Shackle the Master Lock 175 combination lock. Scramble the new combination.
Why do people use 4 digit codes on locks?
As security is always a balance between thorough and convenient one of the biggest reasons people USE 4-digit codes on locks, instead of using a key, is because multiple people need access to the same lock.
Can you unlock a M175?
It is not used to unlock your M175. It is a tool to change the combination on your lock only once the lock is opened. (Above) Once your lock is open and unlocked you insert this “Tool” (notice I didn’t say key) into the tool-slot and turn it to the right a quarter turn.