13 Disturbances .................................................................................... 77
13.1 Fault Clearance ................................................................................................ 77
13.2 Re-Start after Fault Clearance ............................................................................. 78
14 Repairs / Maintenance .................................................................... 78
15 Replacing Components .................................................................... 79
15.1 Replacing LIMAX33 RED/LIMAX44 RED ................................................................ 79
15.2 Replacing Magnetic Tape ................................................................................... 79
15.3 Replacing the Safe Box ...................................................................................... 79
16 Cleaning ........................................................................................... 80
A Over-speed Curve Calculation ......................................................... 81
A.1 Final tripping speed ........................................................................................... 81
A.2 Pre-tripping speed ............................................................................................. 82