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If you need to purchase or confirm the specific model, it is recommended to provide the equipment serial number of ZT55-90. Refer to the corresponding part number in the official Atlas Copco spare parts manual (usually a series of numbers, such as 1092xxx series), and obtain precise spare parts from the authorized service provider to ensure the stable operation and compliance of the equipment.

Atlas Copco G2 FF is a specific model within the G2 series. Here, "FF" typically stands for "Full Feature" configuration, indicating that this model may have additional enhanced functions and configurations beyond the basic version, designed to meet more complex or demanding industrial application scenarios.

Atlas Copco Gear Trial Run and Inspection Preliminary Inspection Manually rotate the gear shaft to feel if the rotation is smooth, and check for any sticking, abnormal noise or eccentric vibration. Check if the lubrication path in the gearbox is unobstructed, and add gear oil to the standard level as per the regulations. No-load Trial Run Connect the power supply and conduct a short-term (5-10 minutes) no-load operation. Listen for any abnormal noises (such as metal friction sounds, high-frequency squeals) from the gearbox. After stopping the machine, check the temperatures of the bearings and gears (should not exceed the ambient temperature by 40°C), and observe for any oil leakage. Load Test Gradually load to the rated pressure and run for more than 30 minutes. Recheck the noise, temperature and sealing conditions, and confirm there are no abnormalities.

Original factory parts and selection The model of Atlas Copco fan blades must be strictly matched with the air compressor model (such as GA series, GHS series, etc.). Different models have different dimensions, hole diameters, and blade quantities. Original factory parts can be purchased through our authorized channels to ensure compatibility with the equipment and avoid operational failures caused by size mismatches.

Key points for replacement and installation Shut down the equipment, release pressure and cool down to normal temperature. Close the inlet / return oil valves to prevent hot oil from spilling out. Record the path of the pipeline and the sequence of the joints, and keep the identification of the old parts. Clean the interfaces and installation surfaces. Replace the O-ring / sealing parts if necessary. Tighten the joints according to the specified torque; avoid excessive bending and stretching of the rubber hose; firmly fix the rigid pipe to prevent vibration wear. Before starting the equipment, check the oil level and sealing performance. After operation, recheck the pressure drop and leakage.

Replacement and Maintenance Precautions If you find that the return oil pipe has corrosion perforations, damaged interface threads, deformed pipes, or leaks, it must be replaced immediately; otherwise, it will cause oil loss, insufficient lubrication, and lead to wear of the main engine. When replacing, it is necessary to use the original factory metal return oil pipe to ensure that the size, interface are consistent with the original components, and avoid installation difficulties or leakage due to mismatch issues. During installation, check whether the sealing parts (gaskets, O-rings) are in good condition. If necessary, replace them simultaneously; when tightening the interface, operate according to the specified torque to prevent excessive tightness from causing thread damage or insufficient tightness that leads to leakage.