The quality of a machine after repair is closely related to the level of assembly quality. Assembly processes are complex and require great precision. Even with high-quality parts, such as the Xiamen Liuzhou Suanwang Pump's mechanical seal HF100-65-250, improper assembly can lead to subpar machine performance, necessitating rework, or even worse, machine or personal accidents. Therefore, work should be conducted strictly according to technical assembly requirements. (1) Preparations Before Assembly: 1. Familiarize yourself with the interconnections of the machine's components and the technical requirements for assembly. 2. Determine an appropriate assembly work area, prepare necessary equipment, instruments, tools, and auxiliary materials required for assembly, such as paper gaskets, felt, wire, washers, and split pins. 3. Cleaning is mandatory before assembling parts. For parts that have been machined, such as drilled, reamed, or broached, ensure all metal shavings are thoroughly cleaned, as any debris or dust can accelerate wear on mating surfaces. 4. Inspect and authenticate parts before assembly. Any components that do not meet technical requirements should not be assembled. (2) General Assembly Process Requirements: 1. Pay attention to the assembly method and sequence, use suitable tools and equipment, and analyze and remove obstacles if assembly difficulties arise. Prohibit haphazard敲打. 2. When assembling interference fits, apply lubricating oil first to facilitate assembly and reduce wear on mating surfaces. 3. During assembly, check the various installation marks on the components to prevent incorrect assembly. 4. For certain assembly technical requirements, such as assembly clearances, interference fits (tightness), flexibility, and mesh marks, check and adjust as you install.