Safety instructions Rotating machine parts may injure operators and service staff! Therefore: Switch off the drive before assembly work. Safeguard the machine against accidental switch-on. Mount all covers and protection devices before switching on the machine. RINGFEDER® products may only be mounted by specialist staff and for suitable applications. Attention Please read these instructions through carefully. In the event of infringement of these notes all claims of liability will become void. RINGFEDER POWER TRANSMISSION reserves the right to technical changes to improve the product. RINGFEDER® Gear Couplings are accepted state of the art. If you experience problems or have any questions, our technical and service staff will be happy to assist you. See the reverse of these instructions for the corresponding contact information.