How to modify the bullhead lock ball lock

How to convert a bullhead lock to a ball lock:

1, remove the unwanted lock, use the lock fitting with a special iron piece for removing the grip, insert it into the small hole under the grip, and then screw down the grip easily.

2, the use of cross screwdriver or electric screwdriver to loosen the fixing screws in the lock.

3.Remove the lock from the other side of the lock.

4. Use the electric screwdriver or cross driver to remove the lock bolt. From the two center points of the circle, light drilling a diameter of 54 mm lock body holes, after drilling a diameter of 25 mm lock body holes, at the same time cut the latch trigger nest.

5, the ball lock door lock latch installed into the door side side latch hole, with screws to fasten it, and then install the lock body, inserted into the lock body hole from the interior, while buckling the end of the tongue end portion of the lock, so that the lock body and the lock tongue combined together in the purchase of the ball lock, to select the ball lock in line with the door specifications of the size of the ball lock.

6, adjust the ball lock door lock external adjustment circle position, so that the center of the lock body in the door thickness center line position. Put the inner handle on the handle tube, use the off end of the fitting to press down the positioning card, and then push in the inner handle, so that the two are pinned.