General Inspection; Rolling-Contact Bearing Inspection - Siemens SIMOTICS M-1PH8 Operating Instructions & Installation Instructions

9.3.3

General inspection

Inspection interval
Perform the following checks after approx. 16,000 operating hours or two years, whichever
comes first.
Implementation
● While the motor is running, check that:
● Once the machine has been shut down, check that:
9.3.4

Rolling-contact bearing inspection

Inspections in the event of faults
Perform an inspection immediately in the event of faults or exceptional operating conditions
indicating an electrical or mechanical overload, e.g., overload, short circuit.
SIMOTICS M-1PH8
Operating Instructions 05/2012 A5E03986435A AA
– The stated electrical characteristics are being observed
– The smooth running characteristics and machine running noise have not deteriorated
– 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 has been fitted as shown on plates and labeling.
– Cables and insulating parts and components are in good condition and there is no
evidence of discoloring
CAUTION
If you detect any defects or malfunctions during the inspection, you must rectify them
immediately. They may otherwise cause damage to the machine.
Maintenance
9.3 Inspection and maintenance
89