Gear units – Operating and Assembly Instructions
32 B 1000 en-4419
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3.10 Fitting the covers
Many versions of the universal worm gear unit are supplied with plastic cover caps as standard. These
cover caps protect the shaft sealing ring against the entry of dust and other possible contamination.
The cover caps can be removed by hand without the use of tools and pushed onto the A or B side.
The cover cap must be removed before installing the universal worm gear unit. After installation is
complete, the cover cap must be pushed into the threaded holes on the output flange on the
corresponding side. Care must be taken that the cover cap is removed and pushed on vertically, in
order not to damage the expansion elements of the cover cap.
Figure 18: Removal and fitting of the cover cap
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