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26
INSTRUCTION HANDBOOK
84
By means of the torx key (size 25) unscrew the
2 screws located in the back part of the circuit
breaker.
Operating mechanism contains springs: their removal constitutes a potential hazard if not
performed in the proper way and using dedicated tools.
Based on this ABB indication is not to remove them from the operating mechanism and to
manage the assembly with the maximum level of attention during disassembly and dismantle
phases.
86
Manually remove the 2 unlocking shafts
mounted on the pin of the operating
mechanism.
85
Manually lift the operating mechanism and
remove it from circuit breaker main structure-
87
By means of the flat screwdriver unhook the
benzing fixing the springs charging lever to the
operating mechanism.
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