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How to Replace Door Locks Door locks are your primary protection against unauthorised entry into your home. The signs of wear and tear, and also instances like moving into a new residence or burglaries, may trigger the necessity of replacing your lock. You can determine the size of your cylinder by measuring the distance from the center of the knoblock cylinder to the adjustment screw. This measurement will allow you to purchase the appropriate lock. Deadbolt If you want to make sure your door is secure from burglars, it's a good idea to install deadbolts. When the bolt is extended into the strike plate of the doorframe it makes it much more difficult for an intruder to get through the door. A single-cylinder deadbolt is activated with a key on the exterior, and a thumb-turn piece that is located inside. upvc door locks replacement will only work only if it is correctly installed. First, you will need to determine if the door already has a hole to install deadbolts or needs to be bored out. Mark the location of the hole for the deadbolt on the exterior of the door using the template that came with your lock installation kit. Then, you can use your tape measure to determine the height the deadbolt should be. Mark this height on the door edge, and then use a speedsquare to draw a straightline across the mark that you made for the bolt hole. Then, using a power drill, bore out the hole until it reaches the opposite side of the door. It could take a few minutes. Then, sand down the hole and the edges of the door so that it is smooth. It's also a good idea to stain or paint the door at this point. Remove any screws that are visible from the deadbolt. This will reveal the rear and front assembly of the deadbolt and its internal bolt. Remove the bolt and replace it with the new bolt to match your door hardware. You'll need to remove the bolt from a setplate. Then, you'll need to chisel the door frame for the strike plate. If your strike plate is not aligned, it's likely because the previous installer didn't properly mortise it or a weatherstripping was installed and changed the strike's position. To correct this issue it is necessary to remortise both the strike plate and the deadbolt. Once this is completed Test the deadbolt by closing it and locking it. Be sure the bolt is extending into the strike plate, and then test the key to ensure it opens and closes smoothly. Knob It could make your home or business less secure when the door knob is damaged. It can also make it harder to open or close the door, so it's an ideal idea to replace the knob. Replacing a knob is a relatively simple DIY project that shouldn't take more than 30 minutes to complete. Make use of pliers or a screwdriver to remove any knobs or handles. Be careful not to damage the other components of the door. Spray WD-40, or another dry lubricant on the mechanism of your door knob before you begin. This will allow the new lock to move smoothly when you turn it. To ensure proper operation it is essential to select the knob and handle that match the doors you already have. If you don't have a doorknob that is compatible then you'll have to purchase a new one. To begin the replacement process, look at the knob or handle to see the screws that hold it in place. If there aren't any screws, you can use a screwdriver to wedge between the cover plate and the screws plate hidden and then remove it. After taking the knob off, inspect it for evidence of damage or rust. If the knob is damaged or has marks or scratches then you'll need to clean it. Otherwise it shouldn't require any major work. Install the new knob. You must first study the two knobs to make sure that you are choosing the correct one for your door. You'll need to select one with an extended rod that locks with the rod mechanism of the second knob. After you've inserted the new knob into the hole, slide it into the latch. Test the spring by pressing it down repeatedly. The latch should pop up every time. Install the second knob and lock it to the rod mechanism of the first knob. Attach the other long screws from the knob's interior through the cylinder hole on the doorknob outside and lock it in place. Latch A latch is a metallic piece that extends out into the doorjamb to secure it shut. It is operated by a knob or handle on the interior side of the door or by a thumb turn on the outside side of the door. The latch can be secured using a deadbolt to keep thieves from breaking through the door's glass. It also protects against accidental or intentional closing of the door by pets or children. It is possible to install an entry point with either a single-cylinder deadbolt, or a double-cylinder deadbolt based on your preferred level of security. Installing a deadbolt is the same as installing a latch, but there are some differences. First, measure the setback of the doorjamb using a tape measure to make sure that the new lock will fit. The setback is measured from the edge of the doorjamb up to the center of hole for the latch plate. The standard setback is 2 3/8 to 2 ¾ inches. If you have a greater setback, you may need to purchase a more substantial latch from a hardware store or locksmith. The next step is to drill an edge bore hole in the doorjamb to accommodate the latch plate. Use a chisel and cut the mortise of the latch. Make sure the hole's depth is sufficient for the faceplate to be in line with the doorjamb. Place the strikeplate on the floor to ensure it is positioned properly. If the strike is too high, you can knock the door down or apply pressure with the tire iron or crowbar. This could cause the doorjamb to crack. This can be repaired by drilling a new hole in the doorjamb, and cutting the core from the previous one. The final step is to put in the new strike plate, which can be done by screwing it over the existing screw holes. Utilize wood putty to fill in any existing screw holes or bolt holes which aren't going to be used. After the putty has dried then sand it to an even finish. Strike An electric strike is the metal part where the latch and deadbolt engage when the door is closed. It is a crucial component of a lock's overall security, as it helps keep the door shut and provides extra resistance to force or kicks applied to the door. If a door is equipped with an electric strike, it can only be opened using a key or the control unit that governs the electrical impulses. Traditionally the installation of an electric strike meant cutting a section of the doorjamb in order to remotely release the latchbolt of a circular lock from the pocket of the strike. This modification is not only unattractive and unattractive, but also exposes the latchbolt mechanism and keeper to unauthorized users. Recently, several electric strike manufacturers have developed an innovative type of electric strike called the “No Cut” strike that doesn't require a cutout in the doorjamb to function. The strikes have a unique design that allows the latchbolt and keeper to slide into the pocket without damaging the doorjamb's faceplate. The strike is equipped with an internal ramp that raises the latchbolt and keeper when it receives an electrical impulse from a controller or reader. The latchbolt and keeper are pushed higher up the ramp due to retraction. When the door is closed the deadbolt remains extended and the latchbolt is retracted into the keeper. Installing an electronic strike is a straightforward procedure, particularly when you're replacing an older strike. However, if you're upgrading to an electric strike for an access control system, you will be required to ensure that the new system is compatible with the type of lock you've chosen to install. Also, you must make sure that the strike is properly connected to your access-control system and is set up to operate in a fail-safe manner. One way to safeguard against unauthorized access is to upgrade the strike on your doors to a heavy-duty strike plate. These plates use four to six screws of three inches instead of the two three-fourth inch screws typically employed in regular strikes. The longer screws make it difficult for someone to break the frame and then reach inside to turn the piece that turns the thumb of a single deadbolt cylinder.