Repair; Instructions For Repair - Siemens 1PH728 Operating Instructions Manual

Maintenance

7.3 Repair

Conducting the major inspection
• Check while the motor is running that:
– the equipment conforms to the stated electrical characteristics.
– the smooth running characteristics and motor noise during operation have not
• Check while the motor is shut down that:
– the motor foundation has no indentations or cracks.
– the motor is aligned within the permissible tolerance ranges.
– all of the mounting bolts for the mechanical and electrical connections are tight.
– the winding insulation resistances are sufficiently high.
– cables and insulating parts and components are in a good condition and are not
[ID: 368]
7.3 Repair
7.3.1

Instructions for repair

Qualified personnel
Only properly qualified persons should be entrusted with the commissioning and operation of
machines and equipment. Qualified persons, as far as the safety instructions given in this
manual are concerned, are those who have the necessary authorization to commission,
ground and identify equipment, systems and circuits in accordance with the relevant safety
standards.
Instructions relevant to safety
Warning
Before you begin working on the three-phase motor, in particular before you open the covers
of active parts, make sure that the three-phase motor or system is properly isolated.
7-8
deteriorated.
discolored.
Notice
Inadmissible deviations detected during this inspection must be eliminated
immediately.
Siemens AG A5E00177602A
Operating Instructions V 2.0 1PH728