ABB SACE Emax E2.2 Installation, Operation And Maintenance Instructions For The Installer And The User page 68

Low voltage air circuit-breakers
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Disassembly operations To disassemble the parts of the circuit-breaker:
66 | © 2019 ABB | 1SDH001000R0002 - ECN000109166 - Rev. D
1.
Remove the transparent flange (A) of the trip unit, by turning the screws (B).
2.
Remove the front cover of the circuit-breaker (C), by removing the mounting screws (D).
Figure 83 - Removing the flange and front cover
3.
Remove one or both of the side guards (I) (if installed) by removing the front screws (L).
4.
Remove the gearmotor (E) by removing the screw (F) and the connector.
Figure 84 - Removing the flange
5.
If there is an undervoltage coil (G), remove it, and discharge the springs of the operating mechanism
for closing and opening the circuit breaker.
Figure 86 - Removing the undervoltage coil
C
1
I
L
Figure 85 - Removing the gearmotor
G
E
4
1
3
Putting into service and maintenance | 5 - Second level maintenance
ABB | SACE Emax 2
2
2
1
90°
F
E E
2
F
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