PreparationThe assembly of all calibrations shall meet the maximum flow requirement. Please clean the port and fitting before installation, it will effectively avoid bringing dust to the air path. Pay attention to the direction of air flow and the arrow pointing on the product body if correct, minding port and thread size if match. | Pressure AdjustmentPull up the knob of the pressure gauge, rotate: If you do clockwise rotation, pressure will rise steadily. Pressure will down when you rotate counterclockwise. Stop turning after reaching the required index and lock down the knob, forget this step you may face a leakage problem. | Dial ReadingMake sure that the pressure gauge is tightly installed on the main body, and pay attention to whether the reading rises and falls smoothly while adjusting pressure. |