Insert the latch bolt inside the hole made in Step 2. Trace around the strike plate on the door Image 1. Borang Sistem Maklumat Murid Download Lagu. Using a utility knife, score the door along the outline. Sentry Safety Hardwares panic bars for both single dual doors. Affordable UL rated exit devices and fire rated door hardware for commercial business, restaurants. Here are all the steps you need to follow to properly install a Schlage door knob or door lever in just a few minutes. How to Install a Deadbolt and Lockset how tos. If your door does not latch well, slowly open and close the door, to see where the latch bolt lands on the door jamb. Deadbolt-install-in-hollow-metal-door-068.jpg' alt='Install Door Latch Strike Plate' title='Install Door Latch Strike Plate' />If the door latches well, the latch bolt will enter the strike plate. If not, check for the following Hinge screws may be loose. Ensure all fasteners are tightened. The gap between the door and the jamb may be too wide for the latch bolt. You may be able to adjust this with shims. Off center latching can be fixed by shimming the door in the appropriate direction. If you are unable to fix misalignment with shims, you may need to reset the latch plates. Having trouble locking or unlocking a deadbolt is fairly common. Wood framed houses settle and shift over time which can knock door frames out of square. An original article written by apartment security expert witness Chris McGoey Los Angeles California. The doors may be warped and causing misalignment. It is possible you will need to purchase and hang a new door. How to Install a Prehung Door. Check the horizontal gap, or reveal, between the top of the door and the head jamb. It should be uniform from left to right and 18 to 31. If necessary, adjust the reveal by pushing up the head casing. Set this reveal by driving an 8d nail through the face of the latch side casing and into the trimmer, near the top of the door. Check the vertical reveal between door and jamb on the latch side. It should be about the thickness of a nickel. To adjust it, grab the casing and move the jamb by hand. Open and close the door to check that its leading edge, the one that rests against the stop, clears the jamb by a consistent 18 inch. Set the reveal by driving 8d finish nails every 1. Make sure the reveal remains consistent.