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Manual Operations
Motor-wound spring operating mechanism FK3-07
for outdoor circuit breaker
26.04.2011
© ALSTOM
If Then
The closing spring is discharged,
• Charge the closing spring.
• Rotate the operating shaft 71.70
clockwise using a hand-held
tool with a jaw width 6 and the
crank wheel 70.30 will also rotate
clockwise.
Illustration 21
71.56
71.56 Blocking device of tripping latch
Remove the
blocking device
of the tripping
latch
Illustration 22
71.70
70.30