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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
14/26
Slow closing
The spring operating mechanism has been made ready for manual
operations.
Positions of position indicators
Operating condition
of circuit breaker and
operating mechanism
Spring position indicator shows closing
spring discharged or charged
Circuit breaker position indica-
tor shows OPEN
Tools required 70.71 Closing latch disabling device
70.72 Slow-movement device
71.15 Closing spring discharging device
70.58 Manual release disabling plate 1)
71.20 Undervoltage release disabling device 1)
1) Required only for a spring operating mechanism equipped with an un-
dervoltage release but no integral disabling feature
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