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Atlas Copco The air compressor gearbox maintenance service package is a comprehensive tool and accessory set specially designed for the maintenance and repair of air compressor gearboxes. Its purpose is to simplify the maintenance process, enhance the repair efficiency, and ensure that the gearbox is professionally handled during disassembly, inspection, repair, and reinstallation, thereby restoring its transmission accuracy and operational stability.

The Atlas Copco GA55 of the GA series is one of the ideal choices for producing compressed air and reducing energy consumption.GA55 Atlas Copco 75HP Oil injected rotary screw air compressors series: follow China Taike Trading online distribution network to check out GA55P, GA55FF, GA55+, GA55+ FF (air cooling & water cooling options are available), further more the GA55VSD+ is also available. You can rest assured to buy Atlas Copco 75 HP Oil Injected Air Compressors from our factory.

Failure causes and maintenance suggestions for Atlas Copco Air compressor O-ring Common failure causes: Long-term high-temperature aging leads to reduced elasticity, wear or scratches (such as impurities entering the sealing surface), improper installation (such as twisting, being too tight), incorrect selection (material not suitable for the medium or temperature). Maintenance precautions: Regularly inspect the condition of the O-ring. Replace it promptly if it shows signs of hardening, cracking, deformation or leakage. When replacing, clean the sealing groove and mating surface, remove oil stains, burrs and impurities. Avoid using sharp tools to scratch the O-ring during installation. If necessary, apply special lubricating grease (compatible with the medium) to assist in installation. Select matching specifications and materials for the O-ring based on the air compressor model and location.It is recommended to use original factory parts to ensure the sealing effect.

Working Principle Torque Transmission: The torque output by the motor is transmitted through the outer teeth of the coupling, and then via the inner teeth of the intermediate sleeve to the compressor shaft, achieving power transmission. Flexible Compensation: Axial Offset: The axial clearance between the inner and outer teeth allows for a small amount of axial displacement of the two shafts (typically ±0.5 to ±3mm). Radial Offset: The top of the outer teeth is made into a spherical shape (with the center of the sphere on the axis), allowing for a certain angular deviation between the two shafts (typically ≤1°). Angular Offset: Through the sliding and rolling of the tooth surfaces, the angular errors between the two shafts are compensated. Buffering and Vibration Reduction: The lubricating oil fills between the teeth and can absorb some vibration and impact loads, reducing equipment noise.

Working principle： Expansion and contraction driven: The constant temperature valve mainly operates based on the principle of thermal expansion and contraction. Special expansion temperature-sensitive paraffin wax and other components are usually used as the temperature sensing elements. When the oil temperature rises to the melting point of the paraffin wax, the wax expands significantly, generating a large force that pushes the push rod, causing the valve core to move and opening the valve; when the oil temperature drops, the paraffin wax contracts due to the cold, and under the spring rebound effect, the valve core resets, closing or reducing the valve opening. Oil passage control: The expansion and contraction of the valve core is used to adjust the changes in the oil passage between the valve body and the housing, thereby controlling the proportion of lubricating oil entering the oil cooler. When the oil temperature is lower than the set value, the valve closes or the opening degree decreases, and the lubricating oil directly returns from the oil-gas tank to the main unit, achieving rapid heating; when the oil temperature is higher than the set value, the valve opens, allowing the lubricating oil to enter the cooler for cooling, and the cooled lubricating oil returns to the main unit, thereby ensuring that the rotor temperature remains within the set range.

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