The door and window pulleys generally have wooden pulleys, plastic pulleys and metal pulleys. When purchasing, first of all, it is necessary to see whether the external design structure and color of the pulleys can reach a harmonious and unified aesthetic feeling with the doors and windows to be used in appearance. Second, it is to choose aluminum materials. Good pulleys not only have long service life, but also can increase the service life of doors and windows. Then how to install it after purchase? What should I pay attention to? Let's follow jinxinfa aluminum small editor to learn about it.

Precautions for installation of door and window pulley:

1. First, set up the pulley part at the upper end of the sliding door, pull out the strip, and insert a 6mm hexagonal wrench from the round hole.

2. If you feel that it is hard to screw, you can use the short end of the wrench to insert the six holes in the screw, and then rotate it. After loosening the screw, pull out the upper pulley in parallel.

3. Then screw in a new screw and push the upper pulley into the gap between the screw cap and the inner wall of the door frame. In order to keep the upper pulley at a certain distance, a piece of cardboard is sandwiched between the upper edge of the door frame and the plane of the upper pulley.

4. Then tighten the screws. After the installation of the upper pulley, remove the cardboard, turn the sliding door over, tree it up, insert the screws through the round holes at the bottom, press and hold the lower pulley by hand, so that the screw holes of the adjustment block can be perpendicular to the screws, and screw in the screws easily. Use a 5mm hexagon wrench to screw the screws.

5. After the screw is screwed into the adjusting block, it can be turned five times. So far, the single side upper and lower pulleys of the sliding door have been installed. The other methods of the upper and lower pulleys are the same.