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The proper installation of the screw conveyor is one of the key prerequisites for its good performance in future use. Its installation at the site of operation must be carried out properly and in accordance with the requirements of these technical specifications: 1. The foundation on which the screw conveyor is installed should be completed at least 20 days before the actual installation of the screw conveyor. This foundation must be able to support the conveyor reliably, preventing it from sinking or experiencing any other changes due to an insufficiently strong foundation, thus ensuring sufficient stability during operation. 2. Before installation, the components of the screw conveyor must be cleaned of any dust that has accumulated during transportation or when unloading from the container. 3. The flange surfaces of adjacent enclosures should be continuous, smooth, and tightly fitted; the misalignment at the joints on the inner surface of the enclosures shall not exceed 2 millimeters. 4. Asbestos tape is allowed to be used between the casing flanges to adjust the cumulative error in the length of the casing and the screw. 5. The gap between the outer diameter of the screw conveyor body and the casing shall comply with the specifications in the table below; the minimum gap shall not be less than 50% of the nominal gap. If a larger gap is required, it shall be manufactured according to the customer’s specifications. 6. The bearings of each intermediate suspension on the screw conveyor must be securely fixed to the casing lugs; after being connected to the adjacent screw, the screw should rotate evenly without any jamming occurring. During installation, adjustment shims can be placed between the suspension bearing base and the casing lugs to ensure that all suspension axes are coaxial; after installation, the coaxiality of the screw shafts shall meet the requirements specified in the table below. 7. The coaxiality between the main shaft of the screw conveyor and the shaft of the reduction motor shall comply with GB1184-80. 8. After the casing of the screw conveyor is properly installed, each base should be secured firmly before tightening the anchor bolts. 9. All connection screws shall be tightened to a secure degree. 10. During on-site installation of the inlet and outlet ports, the flange support surfaces of these ports must be parallel to the axis of the screw conveyor’s body, and they must fit tightly against the connected flanges without any gaps. 11. After the screw conveyor is installed, it is necessary to check whether there is sufficient lubricating oil in all the oil storage areas; if not, enough oil should be added before proceeding with the no-load test. After conducting a no-load test for more than 4 hours, the correctness of the conveyor’s assembly should be checked. If any issues are found that do not meet the specified requirements, the machine should be stopped immediately, corrected, and then restarted until it is operating properly. (1) The screw conveyor should operate smoothly and reliably, with no loose fasteners. (2) After 2 hours of operation, the bearing temperature was around 30°C, and the lubrication and sealing were in good condition. (3) The reducer has no oil leakage or abnormal noises, and the electrical equipment and couplings are safe and reliable. (4) The power during no-load operation should not exceed 30% of the rated power.