Siemens SIVACON S8 Instructions De Service page 33

Item Work to be performed Notes / Criteria
No.
2 Internal visual
inspection
2.1 Covers, separations
Complete
Protection against electric shock is ensured
2.2 Pollution
Dust deposits and pollution inside the switchboard
Impairment of mechanical functions
Effectiveness of the device ventilation
Impairment of the clearance and creepage distances by pollution or foreign bodies
In case of short-circuit switch-off follow the instructions of chapter 2.5.1 (Measures after
short circuit or overload release)
2.3 Isolation
Signs of electrical flashovers or creepage tracks
2.4 Cable and wires
Cable routing, wiring
Compliance with the bend radiuses
Function of the strain relief
Condition of insulation and labeling
2.5 Equipment
Damage on installed equipment
Signs of flashovers
Signs of overheating
2.6 Electrical connections and
Locking varnish on screw connections is present and intact
screw connections
Local discoloration due to overheating
Condition of the insulation in the area of the connections
3 Maintenance
Switch off and lock out all power supplying the concerned part of the low-voltage switchboard before starting the maintenance.
3.1 Extended visual
Remove barriers and perform the visual inspection according to 2
inspection
Visual inspection of parts of the switchboard that are difficult to access
Mount all removed barriers correctly after inspection.
3.2 Cleaning
The switchboard must be cleaned of dust inside and outside with a vacuum cleaner and
brush.
Remove foreign bodies
8PQ9800-8AA32
Yes No Remarks / Result
B5