125
Preventive Maintenance
3ADW000488R0101 DCS880 Service manual e a
Preventive maintenance checklist for DCS880
Type of drive:
Frame size:
Serial number:
Year of initial startup:
Last inspection:
Drive name:
1.1 Checking the environment.
1.2 Documentation checked and available.
1.3 Checking the spare parts.
2. Maintenance with no voltage applied
2.1 Cleaning with ESD vacuum cleaner and/or soft brushes:
Air inlet and outlet filters (replace/clean if IP54 or if needed).
2.2 Relays & connections:
Inspect relays/contacts for proper functionality.
Inspect electrical connections for tightness.
Inspect for proper grounding.
Inspect tightness of stacks (torque indicating spring).
Inspect tightness of heatsink terminals (25 Nm required).
Inspect connection of fiber optical cables.
Inspect connection of flat cables.
3. Maintenance with main supply voltage applied
Test cooling air pressure switch.
Check level of all connected voltages.
Inspect condition of fans (check that all fans are operational).
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