Removing The Labyrinth Sealing Ring; Figure 9-2 Disassembling The Labyrinth Sealing Ring (Schematic Diagram) - Siemens SIMOTICS FD 1LQ1 Operating Instructions Manual

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Maintenance

9.2 Corrective Maintenance

Removing the protective ring for IP56 degree of protection

The V ring for the outer bearing seal is fitted with a protective ring

IP56. The protective ring does not have to be removed for disassembling the bearing bush.

● Remove the protective ring together with the V ring and the outer bearing cover or end shield

Removing the labyrinth sealing ring

Note

For the "Increased degree of protection" option, the machine is equipped with a labyrinth

sealing ring on the drive side and the non-drive side.

Before uninstalling the roller bearing, the labyrinth sealing ring must be removed.

The labyrinth sealing ring

adhesive such as Loctite 243.

Figure 9-2

1. Mark the components of the bearing units so that they can be assembled correctly.

2. Remove the protective coating from the shaft in front of the Iabyrinth sealing ring.

3. Unscrew the three radially arranged set screws for fixing the ring axially.

4. Screw suitable bolts or screws into the radial threads for pulling off. Note the length of

5. Warm the labyrinth sealing ring as you pull it off.

132

from the shaft.

Disassembling the labyrinth sealing ring (schematic diagram)

engagement to avoid clamping to the shaft or damaging the thread.

③

is fixed with three grub screws that are separably secured with

②

for degree of protection

SIMOTICS FD 1LQ1

Operating Instructions 01/2019

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