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Operating Instructions – Explosion-Proof CMP Synchronous Servomotors
41
9
Brake malfunctions
Inspection/Maintenance
9
Inspection/Maintenance
Only SEW service staff, repair workshops or plants that have the necessary expertise
may repair or modify the servomotor.
Before re-startup of the servomotor, make sure that all regulations are complied with and
document this with a label on the servomotor or a written test report.
NOTE ON EXPLOSION PROTECTION
• Maintenance and repair work must always be performed by SEW-EURODRIVE or
repair workshops for electrical drives.
• Use only original spare parts from the relevant and valid spare parts lists; otherwise,
the explosion-poof approval for the servomotor will become void.
• The routine test must be repeated whenever motor parts relating to explosion pro-
tection are replaced.
• Servomotors can become very hot during operation – danger of burns!
• Isolate the servomotor and brake from the power supply before starting work, safe-
guarding them against unintentional re-start!
• Drive must be shut down safely for the duration of the maintenance work, since ro-
tation will energize the motor terminals.
• Ensure that the servomotor is assembled correctly and all openings have been
plugged after service and maintenance work.
• Clean servomotors in explosion-proof areas regularly. Prevent dust deposits > 5
mm.
• Explosion protection is largely dependent on the IP enclosure. Therefore, always
check that the seals are fitted correctly and in perfect condition when performing any
work on the machine.
• Apply grease with a grease depot (Klüber Patemo GHY133N) to the lip of the oil
seal before assembly.
• Always perform safety and functional tests following all maintenance and repair
work (thermal protection, brake).
• Explosion protection can only be ensured if servomotors and brakes are serviced
and maintained correctly.
Содержание CMP40
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