- Keep dirt and foreign material from the sealing surfaces of the washers,
the hose block, and the compressor ports.
Clean all of the sealing surfaces with a lint-free rag.
- Do not reuse sealing washers.
- The sealing washers do not need oiling prior to assembly.
- Ensure that the sealing washers are seated within the compressor
machined surfaces.
- The washers must bottom against the surface of the block fitting.