SLOW OPERATION FOR MAINTENANCE PURPOSES
REV6 /REV3 OI 248 (EN) 135
140
Installing the Slow Operation Device
• Place the support plate (17) of the slow operation device (15) on
the upper right spacer sleeve (18) and prop the device against the
mechanism housing.
• Attach the hook (19) of the slow operation device to the pin (20) of
the support latch (21).
Closing Manually
• Turn the hexagon nut (22) clockwise until the support latch (21) of
the roller follower (23) engages with the opening latch (24) by
audibly snapping into place.
• During the slow closing operation, the opening springs in the pole
columns and the mechanism are charged simultaneously.
Overcharging is prevented by the stop sleeve (25).
• The breaker position indicator is now in the closed position.
17 Support plate 22 Hexagon nut
18 Spacer sleeve 23 Roller follower
19 Hook 24 Opening latch
20 Pin 25 Stop sleeve
21 Support latch