H48.020.249en/2
44/51
Manual Operations
Motor-wound spring operating mechanism FK3-07
for outdoor circuit breaker
26.04.2011
© ALSTOM
Illustration 51
• The straight end of the return stop 70.02 is aligned between the holes for
the M10 bolts 71.73 by turning the spur gear 71.72.
• Insert the straight end of the return stop 70.02 into the groove of the
clamping bar 71.63 and then screw the M 10 bolts 71.73 into the clamping
bar 71.63.
• Tightening torque = 47 Nm ±10%
70.02
71.73 71.63 71.72
71.73 Bolt M10 70.02 Return stop
71.63 Clamping bar 71.72 Spur gear
Return stop
mounting
Operating state of
motor-wound spring
operating mechanism
after manually
discharging the
Closing spring
Position of position indicator
Spring position indicator closing
spring discharged
The circuit breaker position indicator
is at the position OFF and
the trip spring is discharged.
To Next Page
Loading...
Need help?
General
