1. Adjustment of the air compressor pressure regulator
The unloading pressure is adjusted by the upper adjusting bolt, the bolt is rotated clockwise, the unloading pressure is increased, and the bolt is rotated counterclockwise ,the unloading pressure is decreased.
The differential pressure is adjusted by the differential knob at the bottom, counterclockwise rotation, the pressure difference is reduced, clockwise rotation, and the pressure difference is increased. The minimum differential pressure is recommended to be 0.06 MPa and the adjustment range is 0.06 to 0.25 MPa.
2. The air filter
The dust in the inhaled air is blocked in the filter to prevent the screw air compressor from being prematurely worn and the oil separator being blocked. Usually after 1000 hours or one year of operation, the filter element is replaced and in a dusty area. , the replacement interval should be shortened. The machine must be shut down during maintenance. To reduce downtime, it is recommended to replace it with a new or cleaned spare filter.
The step of clean the filter
a. Tap on both sides of the filter element against a flat surface to remove most of the heavy dry sand.
b. Dry air in a direction opposite to the intake air with dry air of less than 0.28 MPa. The nozzle is 25 mm less apart from the folded paper and blows up and down along its length.
c. If there is grease on the filter element, it should be washed in warm water with no foaming detergent. At least the filter element should be immersed in this warm water for 15 minutes, and rinsed with clean water in the hose. Do not use heating method to accelerate the drying, one filter can be washed 5 times, and then discarded and can not be reused.
d. Put a light in the filter to check. If it is found to be thin, or damage of the filter, it should be discarded.
3. The cooler
In the tube of the cooler, the outer surface should be kept clean, otherwise the cooling effect will be reduced, so it should be cleaned regularly according to working conditions.
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