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Replacement

The lip of the replacement seal should not run on the same path as the lip of the old seal. There are several ways to achieve this:
  • Rework or replace the counterface (this may entail removing the shaft).
  • Install a wear sleeve; SKF SPEEDI-SLEEVE or LDSLV.
  • Install a spacing ring in the housing bore between the housing shoulder and the seal (fig 1).
  • Press the new seal to a different depth in a cylindrical opening in the housing, i.e. toward the medium to be sealed.
When choosing a replacement seal, be sure that its design and material correspond to the original seal. In case of doubt, select a seal that meets the operating conditions of the application, and that the seal materials are compatible with the lubricant.
Seals made from a different material should only be used when absolutely necessary. In these cases, the recommendations provided in the table should be followed. The order in which the materials are listed is an indication of their suitability.
If a seal of the same design is not available in the same width as the original, then a somewhat narrower seal can be used, or if the depth of the housing bore allows, a somewhat wider seal can be selected as the replacement.