Siemens SIMOTICS XP 1MD4, Operating Instructions And Installation Instructions, Page: 78 / 128

9.1.2 First inspection
Perform the following checks after approximately 500 operating hours or one year, whichever
comes first:
Table 9-1 Checks after installation or repair
Check When the
motor is
running
At stand‐
still
The electrical parameters are maintained. X
The permissible bearing temperatures are not exceeded. X
The smooth running characteristics and machine running noise have not
deteriorated.
X
The motor foundation has no cracks and indentations. (*) X X
(*) You can perform these checks while the motor is at standstill or, if required, while running.
Further checks
Further checks may be required if so specified in supplementary instructions or in accordance
with the plant-specific conditions.
NOTICE
If you detect any deviations during the inspection, you must rectify them immediately. They
may otherwise damage the motor.
9.1.3 General inspection
Check that the installation conditions are observed. We recommend that the following checks
are performed after approx. 16 000 operating hours or at the latest after two years:
Table 9-2 Checks that have to be performed during the general inspection
Checking When the
motor is
running
At stand‐
still
The electrical parameters are maintained X
The permissible bearing temperatures are not exceeded X
The smooth running characteristics and machine running noise have not
deteriorated
X
The motor foundation has no cracks and indentations (*) X X
The machine is aligned within the permissible tolerance ranges X
All the fixing bolts/screws for the mechanical and electrical connections have
been securely tightened
X
All the potential connections, grounding connections and shield supports are
correctly seated and properly bonded
X
The winding insulation resistances are sufficiently high X
Maintenance
9.1 Inspection and maintenance
SIMOTICS XP 1MD4/1MD5
78
Operating Instructions 05/2015