5.3 Operation
In case of changes as compared to the normal operation, e.g. increased temperature,
noises,oscillations,ndoutthecause.Incaseofdoubtswitchoffthemotor!
5.4 Maintenance and repair
Careful and regular maintenance and inspections are required to recognise and remedy
troubles in good times, before they lead to major damage.
CAUTION
Repairs
Repairs may only be carried out by the manufacturer or an authorised
repair agency. Unauthorised opening and tampering may lead to inju-
ries to persons and property and may lead to a loss of warranty rights.
5.5 Maintenance intervals
WARNING
Safety at maintenance
Before starting any work on the motors, and particularly before open-
ing any covers of active parts, make sure that the motor and plant have
been properly isolated. This refers also to any additional or auxiliary
circuits !
The „5 safety rules“ according to DIN VDE 0105 must be observed:
• Disconnect the motor
• Secure against restarting
• Verify the safe isolation from supply
• Earth and short-circuit
• Provide protection by covers or barriers for any neighbouring live parts
44
OPERATION OF THE SERVO MOTOR
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