Even a new door may have a lock problem. Sometimes it sticks. Before doing the repair, you should study the principle of the mechanism. In addition, you must understand how to disassemble the interior door lock . Repair is a simple matter, if you approach it wisely.
When buying in the kit, instructions should be attached where it is written how to repair the door lock. If it was not there, then you can adhere to the repair rules described below.
Dismantling the decorative cover
Usually simple mechanisms are mounted in the interior doors . When repairing a door lock handle, it is important to remember the sequence of removal of parts so that you can assemble them correctly later. You can arrange the parts in the order in which you dismantle them. So, even a novice master will not get confused. First you need a flat screwdriver, she needs to pry off the decorative cover. This is done carefully from all sides.
Door handle removal
A thin screwdriver or nail is required to remove the handle. The tool should be pressed on the stopper fixing the inner door handle. Further, without releasing, pull the handle towards you.
Dismantling lock parts
After the previous step was successful, you need to unscrew the two screws. They connect the inside and outside of the structure. This action makes it possible to remove all parts on both sides in order to repair the door lock.
Checking the springs and the core
If during the inspection it was revealed that the springs are in good condition (hooked on both sides), then everything is normal. At the same time, that a door lock repair is necessary may indicate a jamming of the tongue, immobilization of the handle of the mechanism, as well as when it does not return to its original position when released. To check the core, you need to press the bolt with your finger and release. If jamming is present, it is necessary to disassemble the core. To do this, twist the screws, remove the filling. When the core has a curvature, it can be straightened using pliers.
Cleaning and lubricating parts
When the door lock is disassembled, all its parts should be carefully and thoroughly cleaned of dust, dirt, and plaque. Lubricate parts if necessary. Previously, when the repair of the door lock is completed, before installation it is worth checking it in operation, collecting it in your hands. If everything is in order, then you can start the installation. During the removal and analysis of the lock, everything should go without much effort. It should be easy to understand, even if the mechanism is broken.
Pen repair
Often it is door handles that are malfunctioning. To fix such a part yourself, you need to prepare a screwdriver and an adjustable key. Repair of the door lock handle begins with its removal. In this case, the internal parts can not be touched. With a wrench, the handle is dismantled together with the rotary mechanism, which is later removed. After all parts are inspected. The master does this in order to understand what the malfunction is. There are many reasons why the pen does not work properly. For example, it can be a weakening of the lever due to the torsion spring. Sometimes she’s just budged. In this case, it is enough to return it to the desired position. In certain cases, replacement may be required. It must be carried out extremely carefully.
If you can’t fix the product, you can buy a new one in a specialized store. Or call a wizard who will perform the necessary work. Repair of a door lock can be done even by an inexperienced person in this matter. The main thing is to remember the sequence of removal of parts, so that then it is easy to assemble the product. To prevent breakdowns, you must regularly lubricate the lock. To do this, drip oil into the well and turn it with a key to distribute it evenly.