Disassembly Operations - ABB SACE Emax 2 Installation, Operation And Maintenance Instructions

Disassembly operations To disassemble the parts of the circuit-breaker:
52 | © 2021 ABB | 1SDH002083A1002 - ECN000119014 - Rev. A
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 73 - Disassembly of flange and escutcheon plate
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 74 - Disassembly of 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 76 - Removing the undervoltage coil
C
1
2
D
I
L
Figure 75 - Removing the gearmotor
3
G
Putting into service and maintenance | 5 - Second level maintenance
ABB | SACE Emax 2
2
1
90°
A
B
E
E
2
E
F
1
4
Continued on the next page
F