The application of externally mounted camera device
The exterior door closing device it is provided with a hydraulic buffer pump device, it can let us open the door to automatically shut down automatically slow, with main characteristics of door closing device is its closing speed is slower, and the sound in the closing time, and will not collide, it is because of this characteristic, so the exterior door closing can be extensively used in schools, hotels, hospitals, office building and so on.
Installation steps of external door closer
The exterior door closing device installation of the first step is to install the body (see below)
The mounted door closer, we can only be installed in the door and is close to the door of the side chain, in the end the speed of screw, face the hinge, if the wrong door is unable to open the cause, if it is forced to open our doors, door closers, have come on the door will have the risk of being destroyed.
After the body is fixed, we need to use four screws to fix the body on our door leaf, and then put the lever into the upper end of the gear shaft, and the other end to cover the cap, tighten the fastening screws
Installation of external door closer, second step installation of connecting rod
The connecting rod is fixed with two screws on the door frame, door frame and the handle connecting bar is a 90 degree angle. The loose locking nut, adjusting rod to the appropriate length of the lever then gently, let the lever pin inserted right end of the connecting rod in the hole, then check our newly installed connecting rod and the door the box into a right angle. The best place for fastening nut washer, half round, here installation basically completed.
The exterior door closing device installed third steps to adjust the closing speed
After the installation, there is usually a good closing speed, if you need additional adjustment, you only need to rotate the speed screw yourself.