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Maintenance
9.1 Inspection and maintenance
9.1.1
Inspections in the event of faults
Natural disasters or unusual operating conditions, such as overloading or short circuit, are
faults that overload the machine electrically or mechanically.
Immediately perform an inspection after such faults.
9.1.2
First inspection
Perform the following checks after approximately 500 operating hours or one year, whichever
comes first:
Table 9-1
Check
The electrical parameters are maintained.
The permissible bearing temperatures are not exceeded.
The smooth running characteristics and machine running noise have not
deteriorated.
The motor foundation has no cracks and indentations. (*)
(*) 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
Checking
The electrical parameters are maintained
The permissible bearing temperatures are not exceeded
84
Checks after installation or repair
Checks that have to be performed during the general inspection
When the
At
motor is
standstill
running
X
X
X
X
X
When the
At
motor is
standstill
running
X
X
LOHER CHEMSTAR 1PS5
Operating Instructions 03/2014
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