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S
LOW
O
PERATION
FOR
M
AINTENANCE
P
URPOSES
OI 250 (EN)
REV7
/REV3
Operating State after Slow Closing
Removing the Slow Operation Device
• Turn the hexagon nut (22) counterclockwise until enough
pressure is removed from the hook (19) that the slow operation
device (15) can be removed.
Executing a Slow Opening Operation
The spring mechanism is prepared for manual operations.
Checking the Operating State of the Circuit Breaker and the
Spring Mechanism
Tools Required
1)
Only required for spring mechanisms equipped with an under-
voltage release and no integrated locking device.
Position of Position Indicator
Spring position indicator shows clo-
sing spring is uncharged or charged
Breaker position indicator is
in closed position,
opening spring is charged
Position of Position Indicator
Spring position indicator shows clo-
sing spring is uncharged or charged
Breaker position indicator is
in closed position,
opening spring is charged
7 Locking plate for manual release
1)
10 Locking device for undervoltage release
1)
11 Locking device for the closing latch
15 Slow operation device
16 Closing spring release device
Содержание GL 311 F3/4031 P/VE
Страница 2: ......
Страница 10: ...INTRODUCTION 10 146 OI 250 EN REV7 REV6...
Страница 12: ...SAFETY 12 146 OI 250 EN REV7 REV3...
Страница 48: ...INSTALLATION 48 146 OI 250 EN REV7 REV7...
Страница 80: ...INSPECTION AND MAINTENANCE 80 146 OI 250 EN REV7 REV3...
Страница 102: ...RECONDITIONING 102 146 OI 250 EN REV7 REV7...
Страница 104: ...END OF LIFE MANAGEMENT 104 146 OI 250 EN REV7 REV2a...
Страница 114: ...SPECIAL EQUIPMENT OPTIONAL 114 146 OI 250 EN REV7 REV0...
Страница 128: ...REPLACEMENT PARTS AND ACCESSORIES 128 146 OI 250 EN REV7 REV6...
Страница 130: ...HANDLING USED SULFUR HEXAFLUORIDE 130 146 OI 250 EN REV7 REV2...