ABB SACE Emax E4.2 - Page 285

ABB | SACE Emax 2
Putting into service and maintenance
4 - E2.2, E4.2 and E6.2 second level maintenance
282 | © 2023 ABB | 1SDH001330R1002 - ECN000297030
Interlock check
Check that the vertical or horizontal interlocking devices (if provided) are installed and that they operate
correctly.
WARNING! the interlocks cannot be tested in the Test or Disconnected positions.
Perform maintenance periodically as indicated in the table below.
Activity Frequency Maintenance operations
Functionality
1 year or
20% of mechanical life or
20% of electrical life
See kit sheet
Check tightness
Lubrication As shown in the figure
Cables
Three years or 50% of the mechanical life or
50% of the electrical life of the largest
circuit-breaker involved in the interlock.
After a trip due to a short-circuit.
Replacement is advisable
(*)
(*)
(*)
Figure 167
(*)
Use Mobilgrease 28, also available in the ABB greasing kit.