Inspection Of Electrical And Mechanical Accessories - ABB SACE Emax 2 Series Installation, Operation And Maintenance Instructions
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Inspection of electrical and
mechanical accessories
262 | © 2013 ABB | 1SDH001000R0002 - L7804
Continued from the previous page
Figure 105 - Lubricating the opening hook
• In the case of deformed or rusty springs, rings missing or severe wear of the operating
device, contact ABB Sace.
Check the accessories:
1. Check that the accessories are securely fixed to the circuit-breaker.
2. Check that the accessories are connected correctly to the circuit-breaker.
3. Make sure that the releases (YU-YO-YC) are in good conditions (absence of excessive
wear, overheating, breakages).
4. Make sure that the mechanical operation counter functions correctly (if present) by
operating the circuit-breaker.
5. Check the wear on the brushes of the gearmotor and if necessary replace them.
NOTE: You are recommended to change the gearmotor if it has performed more than
10000 spring loading operations.
Putting into service and maintenance | 5 - Second level maintenance
ABB | SACE Emax 2
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