This video shows the correct procedure for removing and reinstalling a WAM Safety Board: [http://web.barrett.com/support/WAM_VideoSupport/SafetyBoard-AE-installation.wmv WAM Safety Board AE Installation] The Safety Board shown being removed in the beginning of the video (start - 2:10) is an obsolete WAM Safety Board, and may appear different from the Safety Board on your system. The Safety Board that is installed (2:10 onwards) is a current-revision WAM Safety Board. Please contact [mailto:support@barrett.com support@barrett.com] with any questions regarding this procedure.