In some cases, you can, without fear of adjusting the plastic window yourself, while receiving some savings.
You will need fifteen minutes to install a lock with a handle and a cross screw. The pen will be especially relevant and useful in the house where there are children. First of all, you need to turn the plate at the base of the handle. At the same time, bolts that attach everything to the sash will open for the viewing. Then the screws should be unscrewed to remove the old handle and install a new one, with the lock. On this, the process of installing the handle can be considered completed.
It happens that the pen jigs in the position of the bottom. To eliminate such a malfunction, it is necessary to determine the brand of accessories that can be seen on a metal constipation. Depending on the brand, further actions will be carried out. When the Aubi inscription, you need to find a thin metal plate with a spring located next to the handle. With a simple click on it, you can sometimes complete the manipulation. If this does not happen, then it is necessary to leve the handle, easily pressing the plate, press it to the seal and turn the handle into an open position.
If the inscription is different, then it is worth finding a metal tongue. All of the above actions are carried out in the same order, only with the tongue.