H48.020.249en/2
19/51
Manual Operations
Motor-wound spring operating mechanism FK3-07
for outdoor circuit breaker
26.04.2011
© ALSTOM
Remove the
blocking device
of closing latch
• Insert the blocking device of the closing latch 70.71 into the appropriate
opening, as shown by illustration 06.
Illustration 06
• Insert the blocking device of the closing latch 70.71 until it touches and then
turn it counterclockwise until the spring 71.65 is up against the closing latch
70.05, as shown by illustration 07.
Illustration 07
70.71 Closing latch blocking device
70.05 Closing latch
71.65 Spring
70.71
71.65
70.05