Figure 3-6 Fey labyrinth seal
Figure 3-7 Labyrinth seals
To work reliably, labyrinth seals must be installed in stationary, horizontal positions without dirty
water or any substantial amount of dust. Overfilling the gear unit can result in leaks, the same
applies to oil with a high foam content.
3.6.3 Taconite seal
The taconite seal is a combination of two sealing elements:
● Rotary shaft sealing ring to prevent the escape of lubricating oil
● Grease-filled dust seal (comprising a labyrinth and a lamellar seal) to allow operation of the
gear unit in extremely dusty environments
The taconite seal is ideal for use in dusty environments.
NOTICE
Gear unit leaks caused by poor sealing
Regrease the labyrinth seals at the specified regreasing intervals. The regreasing intervals
are specified in the Maintenance schedule (Page 92).
Description
3.6 Shaft seal
REDUREX Gear unit 5200en
26 Operating Instructions 03/2019
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