Square
shaft
Pressure
spring
5.
Place pressure spring and square shaft in the back panel
in proper order. And insert the connecting cable of front
panel into related sockets of the back panel. Then align and
insert the square shaft and mechanical key pick into mortise
holes, make the back panel fit against the door closely. After
that, tighten the 2 screws.
6.
Install 4pcs batteries and battery cover. Check
if all functions are working well, then installation
is finished.
Connecting
mounting
screw
Connecting
mounting
screw
According to the door thickness, cut the night latch key pick in proper length.
Make sure the battery cover installed well.
Caution:
Caution: