Yale V705 combination padlock
Posted: Tue Oct 30, 2018 4:33 pm
I do have two of these locks ( https://www.picclickimg.com/d/w1600/pic ... k-Lock.jpg ) and they are showing a strange behavior, which I can't really explain.
I turn the dial left more than three times without pulling the shackle, stop all around and test how W3 (that which is directly connected to the dial) is binding to the shackle mechanism. The binding is between nearly none and at best mediocre.
I turn the dial left more than three times with!!! pulling the shackle. Then I get a very good binding for the complete 360° while I continue to turn the dial. I can easily distinguish true and false gates in W3 because the five false are binding and the true one is all free. That means there is an extremely good binding of W3. Then I release the shackle, turn right nearly a full turn and start to scan W2 by going back to the known gate in W3, than again right to push W2 a bit more and so on. In so far five tries (the first one and the last three) I got open the two padlocks instantly at the beginning of the W2 scan. That means they are open in less than two minutes.
To make this fast opening possible W1 and W2 must have aligned them automagically to the gate and they have to stay there while I turn the dial, even so W3 should turn them with it. I didn't feel any breaking of a pin. There seem also to be no parts loose in this lock.
Any idea what is happening? Maybe I will drill a hole into the back to have a look as I can't turn the dial with an open shackle.
I turn the dial left more than three times without pulling the shackle, stop all around and test how W3 (that which is directly connected to the dial) is binding to the shackle mechanism. The binding is between nearly none and at best mediocre.
I turn the dial left more than three times with!!! pulling the shackle. Then I get a very good binding for the complete 360° while I continue to turn the dial. I can easily distinguish true and false gates in W3 because the five false are binding and the true one is all free. That means there is an extremely good binding of W3. Then I release the shackle, turn right nearly a full turn and start to scan W2 by going back to the known gate in W3, than again right to push W2 a bit more and so on. In so far five tries (the first one and the last three) I got open the two padlocks instantly at the beginning of the W2 scan. That means they are open in less than two minutes.
To make this fast opening possible W1 and W2 must have aligned them automagically to the gate and they have to stay there while I turn the dial, even so W3 should turn them with it. I didn't feel any breaking of a pin. There seem also to be no parts loose in this lock.
Any idea what is happening? Maybe I will drill a hole into the back to have a look as I can't turn the dial with an open shackle.