To reset the 175 and 176 you will go through the same process using the k175 reset tool.
Master lock 175 reset combination without key.
I have had a masterlock 175 for years.
The master lock 175 and 176 are nearly identical.
Push reset tool in and turn 90 degrees in either direction.
175 and 176 to reset the 175 and 176 you will go through the same process using the k175 reset tool.
If a lock is a puzzle then its key is the complete picture.
Masterlock 175 lost reset key.
Insert reset tool enclosed in package in the hole on side of 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.
This lock is preset at the factory to operate at 0 0 0 0.
Several blows from a ball peen or small sledge hammer will wrench the shackle loose internally and force the lock to open.
I ended up buying a new masterlock 175 for a fence i am aware that they can be.
Is there a way to do this without the key.
The main benefit from purchasing a 176 is that it has a control key override just in case you don t have the combination.
Resetting a master 175 combo lock.
Open the lock with the factory set 0 0 0 0 or the previously set combination.
With dials at 0 0 0 0 pull out the shackle.
If your lock is attached to something you will need to call a locksmith for removal.
Step 3 turn the key 90 degrees in either direction.
By eyes only fri feb 11 2011 9 22 pm.
The lock must be set to the current combination or you cannot reset it.
The lock cannot be reset unless it is in the open position.
I can open it but i lost the rest key that these things come with.
I want to change the combination it s always been my lock and i do have the correct combination to open it but i do not have the reset key anymore.
By oatmealer sun apr 03 2016 4 06 pm.
Resetting master lock no.
Therefore master lock does not have record of the combination that the owner set.
Turn shackle counterclockwise 90 degree 1 4 turn continue pressing shackle down and turn another 90 degree 1 4 turn set the dials to your own combination.