ABB | SACE Emax 2
66 | © 2019 ABB | 1SDH001000R0002 - ECN000109166 - Rev. D
Putting into service and maintenance | 5 - Second level maintenance
Disassembly operations
To disassemble the parts of the circuit-breaker:
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).
C
2
1
90°
1
2
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.
I
L
Figure 84 - Removing the flange
E
E
F
Figure 85 - Removing the gearmotor
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.
G
3
1
E
F
4
2
Figure 86 - Removing the undervoltage coil
Continued on the next page
