![pin and tubbler lock with ball bearings pin and tubbler lock with ball bearings](https://www.primadecorativehardware.com/wp-content/uploads/2020/05/American-keyed-cylinder-Image-2-640x640.jpg)
Remove this screw, which will release the trap plate at the bottom of the lock and permit the cylinder to be removed. Unlock the padlock and swivel the shackle out of the way, revealing the cylinder retaining screw.
#PIN AND TUBBLER LOCK WITH BALL BEARINGS INSTALL#
When servicing older padlocks that do not have this plate, it is advisable to install them to address this simple but serious security vulnerability. The plate takes the form of a circular metal disc with a half-moon cutout in it that fits over the actuator. In newer American Lock padlocks, a bypass restriction plate has been added which prevents the manipulation of the actuator cam with a special tool through the keyway. Other options, such as a sash chain, bump-stop cylinder, brass shackle (for high corrosion or spark sensitive environments), laser engraving and alternate cylinders are also available by special order from the manufacturer. The meaning of any additional characters is unknown.Ī weatherproof cover is available for the 12 (but not the 1100) padlocks. Note: Only the first three characters stamped on the lock body are part of the date code.
![pin and tubbler lock with ball bearings pin and tubbler lock with ball bearings](https://i.pinimg.com/originals/b8/6a/24/b86a247a91e0c5ea271b9791e313a387.jpg)
This information was taken from the American Lock Service Manual. Locks made before the change start with three letters which are decoded below. 8 is 2018) followed by a 2 letter machine/operator code.
![pin and tubbler lock with ball bearings pin and tubbler lock with ball bearings](https://www.primadecorativehardware.com/wp-content/uploads/2020/05/American-keyed-cylinder-Image1-600x600.jpg)
042 is the 42nd day, and a 1 digit year, eg. Locks made after the change have a 4 digit date number (3 digit day of the year, eg. The code method changed sometime around 2013. Like most American locks, 1100, 12 series are stamped with a date code. Note that while 6-pin models (with a "6" in the second last position of the model number) utilize the APTC14 cylinders, the APTC12 "5 pin" cylinders are in fact drilled for 6 pins already and can be easily converted by simply adding a 6th pin, driver and spring. The series number stamped on the back of the padlock identifies the lock body size, the factory-supplied shackle length and the number of pins.Ĭomparison of American Lock 1100, 12 series padlocks