Master Lock M175 Won T Open

If your lock is attached to something you will need to call a locksmith for removal.

Master lock m175 won t open. Insert the key and work it from side to side while compressing the lock. Give it a couple more taps with the hammer. Therefore master lock does not have record of the combination that the owner set. Please note that master lock does not reimburse for locksmith services and or fees.

The lock cannot be reset unless it is in the open position. The basic bypass technique for the 175 where you stick a shim in next to the third wheel and activate a latch will not work on today s m175 in the video above. These things are junk. The master lock model 175 combination lock is designed to secure gates fences and other doors and entrances that may require a high security lock.

Note that a standard 40 digit master lock has 64 000 possible combinations that may open the lock. This works with with ml 175 176 178. I don t know where they came up with their numbering system but the master lock 175 m175 have two different types of locking mechanisms inside of them. Several blows from a ball peen or small sledge hammer will wrench the shackle loose internally and force the lock to open.

To reset the 175 and 176 you will go through the same process using the k175 reset tool. A master lock 175 is a basic shackled combination lock. The main benefit from purchasing a 176 is that it has a control key override just in case you don t have the combination. To provide enhanced security long term master lock discontinued imprinting a serial number on the lock body of combination locks sold through retail locations.

You can use a special key included with the purchase of the lock to change the combination. Are you seeking the same answer by asking different questions. Lps or liquid wrench down the shaft and up into the keyhole. This is a 3 second way to open a master lock combination lock very quickly and easily.

The master lock 175 is unlocked using a personal combination. Resetting master lock no. X research source however don t let that discourage you.