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Manual Operations
Motor-wound spring operating mechanism FK3-07
for outdoor circuit breaker
26.04.2011
© ALSTOM
Manually discharge the closing spring
Illustration 45
71.63
Check the operating
states of the circuit
breaker and the
motor-wound spring
operating mechanism
The operating mechanism is ready for manual operations.
Return stop
release
70.02 71.73
• Unscrew the M10 bolts 71.73 out of the clamping bar 71.63 of the return
stop 70.02 and remove the clamping bar 71.63.
Position of position indicator
Spring position indicator closing
spring charged
The circuit breaker position indicator
is at the position OFF and
the trip spring is charged.
71.63 Clamping bar
71.73 Bolt M10
70.02 Return stop
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