To open this lock, the bolt should be turned on its axis, so that the dot on its surface should be in the position shown on photograph (photo 2). When the bolt is in this position, it is possible to insert the probe into the small hole on the left side of the padlock (photo 3). In any other position of the bolt hole is closed. It is necessary to put pressure on the probe and then move up the rivet, as shown on photo (photo 4), until the door opens (photo 5). Then you have to turn bolt at any other position, except for the position in which it was (photo 6). Otherwise, lock will not open.You can then insert key and turning it counter-clockwise to open the lock (photo 7 and 8).
To lock padlock, you have to insert probe into the hole on the left side of padlock (photo 11) and push until it stops (photo 12). Then you need to move up the rivet (photo 13). You can then close the door and stopped to hold rivet to fix door in closed position. After that, you can lock padlock inserting the bolt with a locking mechanism. (photo 14).