The set of parts cleaning and maintenance line is equipped with equipment turnover area, solvent soaking and rinsing tank, through type high-pressure spray cleaning and drying line, parts polishing and maintenance area, workbench, lifting equipment, small hydraulic tooling, transfer frame, transfer storage bracket, etc; The structural design and process arrangement of this line are reasonable, with a high degree of automation and high cleaning accuracy, effectively solving the cleaning problem of such workpieces.