This standard specifies the basic requirements for the remanufacturing of full-section tunnel boring machine screw conveyors, remanufacturability testing and evaluation, remanufacturing plan formulation, remanufacturing design, disassembly and cleaning, detection and classification, remanufacturing and processing, reassembly and Debugging, acceptance, marking and storage, accompanying documents. This standard applies to the remanufacturing of full-section tunnel boring machine screw conveyors.