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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
18/26
Remove slow-
movement device
• Turn hex nut 70.75 counterclockwise until the load on hook 70.74 is
relieved enough that slow-movement device 70.72 can be removed.
Disable manual re-
leases
• Unscrew M6 screws.
• Slide manual release disabling device 70.58 as shown by arrow until
manual releases 70.07 and 70.13 are disabled.
• Retighten M6 screws.
70.58 Manual release disabling
device
70.13 Manual TRIP release
70.07 Manual CLOSE release
Positions of position indicators
Operating state of
spring operating
mechanism after slow
opening
Spring position indicator shows closing
spring discharged or charged
Circuit breaker position indica-
tor shows OPEN, trip spring
discharged
70.13
70.58
70.07
M6
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