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7
Labyrinth seal
The labyrinth seal is used in dusty environments. A combination of a radial shaft sealing ring
prevents the ingress of dust.
①
Radial shaft sealing ring
②
Labyrinth seal
Figure 7-1
Labyrinth seal
Note
Regreasing of the labyrinth seal
The labyrinth seal is filled with grease. It must be regularly regreased depending on the ambient conditions.
Procedure
1. Use the greases from table T 7300 for the regreasing. The grease quality must meet the requirements specified in the
table.
2. The reference value for regreasing is 30 g lubricating grease after 3000 operating hours.
3. Using a grease gun, inject the grease into the bearing point via the nipple provided.
You have regressed the labyrinth seal.
BA 2510
A5E38121849A/RS-AB, 10/2016
①
②
and a labyrinth seal
15
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