Maintenance
9.1 Inspection and maintenance
Synchronous/induction motors 1PH813
66 Operating Instructions, 04/2009, 610.48000.22
9.1.4 Initial inspection
An initial inspection is performed once the motor has been installed or following repairs.
While the motor is running, check that:
● the equipment conforms to the stated electrical characteristics.
● the smooth running characteristics and motor noise during operation have not
deteriorated.
Correct any deviations that are determined in the inspection without delay.
NOTICE
Adapt the inspection in line with plant-specific conditions
This list does not claim to be exhaustive.
Further tests also should be carried out in accordance with the additional instruction
manuals (e.g. bearings, cooler, etc.) or in accordance with the particular system-specific
conditions.
9.1.5 General inspection
While the motor is running, check that:
● The stated electrical characteristics are being observed
● The smooth running characteristics and machine running noise have not deteriorated
Once the machine has been shut down, check that:
● The motor foundation has no indentations or cracks
● The machine is aligned within the permissible tolerance ranges
● All the fixing bolts/screws for the mechanical and electrical connections have been
securely tightened
● The winding insulation resistances are sufficiently high
● Any bearing insulation is fitted as shown on the plates and labels.
● Cables and insulating parts are in good condition and do not exhibit any signs of
discoloration
CAUTION
If you identify any problems during the inspection, rectify them immediately otherwise
the machine may be damaged.
9.1.6 Rolling-contact bearings
The permissible radial forces (transverse forces) are listed in the catalog or configuration
manual.
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