7
Inspection/maintenance
Operating Instructions – AC Motors
117
7
Inspection/maintenance
WARNING
Risk of crushing if the drive starts up unintentionally.
Severe or fatal injuries.
•
Before you start working on the unit, disconnect the motor and all connected op-
tions from the power supply.
•
Secure the motor against unintended power-up.
CAUTION
Inhaling, swallowing brake abrasion when releasing the brake.
Irritation of the respiratory tract and respiratory organs.
ü
Wear a respirator of class FFP2 during the maintenance of brakemotors.
•
Avoid swirling of the brake abrasion.
•
Remove the brake abrasion with suitable extraction systems or damp cloths that
bind dust.
•
Make sure that there is adequate ventilation in the work environment.
CAUTION
The surfaces on the drive can be very hot during operation.
Risk of burns.
•
Let the motor cool down sufficiently before you start working on it.
NOTICE
Damage to the oil seals if the temperatures is too low during installation.
Possible damage to the oil seals.
•
Before assembly, make sure that ambient temperature and the temperature of
the oil seal are not below 0 °C.
INFORMATION
Apply grease with a grease depot to the lip of the oil seal before assembly. For fur-
ther information on lubricants, refer to chapter "Order information for lubricants, anti-
corrosion agents and sealants" (→
213).
INFORMATION
Friction disks at brakemotors may only be replaced by the SEW‑EURODRIVE ser-
vice.
Repairs
Only SEW‑EURODRIVE repair workshops or plants that provide the necessary ex-
pertise may repair or modify the motor/brakemotor.
Before you take the motor back into operation, check to see if the regulations have
been adhered to. Confirm the check with a corresponding identification on the motor
or by issuing a test report:
25851535/EN – 02/2019
Содержание DR 315 Series
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