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Manual operations
FK 3-1 / FK 3-06 motor-wound spring
operating mechanism
21.5.2003
© ALSTOM
48.020.181E/2
17/26
Re-enable manual
releases
• Unscrew M6 screws.
• Slide manual release disabling device 70.58 as shown by arrow.
• Tighten M6 screws.
70.58 Manual release disabling
device
70.13 Manual TRIP release
70.07 Manual CLOSE release
Manual opening
• Use manual TRIP release 70.13 to release trip latch 70.16.
• Simultaneously turn nut 70.75 counterclockwise until support latch 70.78
of roller lever 70.11 has moved past trip latch 70.16.
• Continue turning nut 70.75 counterclockwise until the load on hook
70.74 is relieved.
• At the end of this procedure, trip spring 70.20 is discharged and circuit
breaker position indicator 70.52 shows “circuit breaker OPEN”.
70.11 Roller lever 70.76 Distance sleeve
70.16 Trip latch 70.77 Pin
70.73 Support plate 70.78 Support latch
70.74 Hook 70.80 Stop sleeve
70.75 Hex nut
70.75
70.73
70.76
70.80
70.11
70.74
70.77
70.78
70.16
70.13
70.58
70.07
M6
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