Final Checks; Interlock Check - ABB SACE Emax 2 Installation, Operation And Maintenance Instructions

Final checks Reassemble and check the circuit-breaker:
Interlock check Check that the vertical or horizontal interlocking devices (if provided) are installed and that they operate
49 | © 2021 ABB | 1SDH002083A1002 - ECN000119014 - Rev. A
1. Reassemble all the parts by performing all the operations indicated in the paragraph "Disassembly
Operations" in reverse order and, if necessary, reconnect the auxiliary power supply.
2. Put the movable part (breakers) in the test position (see indication TEST).
3. Perform the following operations 10 times:
• Opening (in both local and remote modes, if applicable)
• Closing (in both local and remote modes, if applicable)
4. Perform the operations in the following sequence:
• Open - Springs discharged
• Open - Springs charged
• Closed - Springs discharged
• Closed - Springs charged
5. Check that the following operate correctly:
• accessories, if provided.
• gearmotor, if provided.
• undervoltage coil, if provided.
• opening coil, if provided.
• closing coil, if provided.
• auxiliary contacts of the circuit-breaker, if provided.
• lock for circuit-breaker in open position (key or padlock), if provided
correctly.
WARNING! the interlocks cannot be tested in the Test or Disconnected positions.
Perform maintenance periodically as indicated in the table below.
Activity Frequency
Functionality
1 year or
Check tightness 20% of mechanical life or
20% of electrical life
Lubrication
Three years or 50% of the mechanical life or
50% of the electrical life of the largest circuit-
Cables
breaker involved in the interlock.
After a trip due to a short-circuit.
Figure 71
Use Mobilgrease 28, also available in the ABB greasing kit.
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Putting into service and maintenance | 4 - First level maintenance
ABB | SACE Emax 2
Maintenance operations
See kit sheet
As shown in the figure
Replacement is advisable
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