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Maintenance
9.2 Inspection and maintenance
Additional checks may also be required according to the system-specific conditions.
NOTICE
If you detect any deviations during the inspection, you must rectify them immediately. They
may otherwise damage the motor.
9.2.3
Main inspection
Table 9-2
Checking
The stated electrical characteristics are being observed
The smooth running characteristics and machine running noise have not
deteriorated
The foundation has no cracks or indentations. (*)
The motor is aligned within the permissible tolerance range.
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
Condensation can freely flow away.
(*) You can perform these checks while the motor is running or at a standstill.
NOTICE
Deviations from the normal state
If you detect any defects or malfunctions during the inspection, you must rectify them
immediately. They may otherwise cause damage to the machine.
See also
Testing the insulation resistance and polarization index (Page 50)
108
Checks that must be performed during the main inspection
When the
motor is
running
X
X
X
SIMOTICS M-1PH8 1PH818., 1PH822., 1PH828.
Operating Instructions 10/2017
At stand‐
still
X
X
X
X
X
X
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