ABB Sace Emax 2 Installation, Operation And Maintenance Instructions For The Installer And The User page 61

Disassembly operations To disassemble the parts of the circuit-breaker:
59 | © 2022 ABB | 1SDH000999R0002 - ECN000232533
1. Remove the front cover (A) by removing the mounting screws (B and C).
2. With a four-pole circuit-breaker, remove the lateral shield (d) by removing the fixing screws (E).
3. With circuit-breaker in the withdrawable version, remove the protection (F) and the terminal-cover
(G) by removing the screws (H)
E
A
D
Figure 70 - Four-pole fixed circuit-breaker
4. Remove the gearmotor (E) by removing the screw (F).
Figure 72 - Removing the gearmotor
5. If there is a undervoltage coil (M), remove it, and discharge the springs of the operating mechanism
for closing and opening the circuit breaker.
Figure 73 - Removing the undervoltage coil
B
C
Figure 71 - Three-pole withdrawable circuit-breaker
2
I
3
4
2
M
Putting into service and maintenance | 4 - Maintenance operations
ABB | SACE Emax 2
A
C
G
L
4
1
B
F
H