MOUNT SPRING ARM
5. Place the washer and secure it with the circlip. The circlip
must fit into the groove of the trunnion. This should be
checked. (See chapter "10.2.3 Mount Safety Ring").
6. Establish electrical plug connection.
7. Carefully insert the connection into the tube.
8. Put on the cover cap.
9. Screw the cover cap with the Phillips screw.
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