All disassembled parts should be cleaned, thoroughly cleaned on the surface, and checked for signs of damage, surface cracks and bruises. Determine the reuse or replacement of parts by cleaning.

Care must be taken to clean up parts or new parts, and to remove burrs that are in use or in machining. For example, the rounded chamfered portion of the slip gear, the threaded portion of the shaft member, and the orifice portion of the hole shaft sliding fit member must be cleaned of burrs and burrs on the part. This is beneficial to the assembly work to ensure the normal function of the parts. Part cleaning must be done during the cleaning process.

After the coupling parts are cleaned and dried, oil must be applied to prevent rusting of the parts. If the parts are cleaned with a chemically alkaline solution, they must be washed with hot water after washing to prevent corrosion of the surface of the parts. Precision parts and aluminum alloy parts should not be cleaned with an alkaline solution.

When all kinds of boxes of the coupling cleaning equipment are used, it is necessary to remove the residual grinding, lacquer, sand, oil and the like in the box. Check the lubrication filter for damage to repair or replace it. In addition to cleaning the surface of the oil mark, it is also polished to improve its transparency.