The following information is provided regarding the state of the winding insulation:
● Is the winding head insulation conductively contaminated?
● Has the winding insulation absorbed moisture?
As such, you can determine whether the machine needs commissioning or any necessary
measures such as cleaning and/or drying the winding:
● Can the machine be put into operation?
● Must the windings be cleaned or dried?
Detailed information on testing and the limit values can be found here:
"Testing the insulation resistance and polarization index" (Page 50)
9.2.6.2 Maintenance intervals
Perform the following maintenance measures after the operating time or the intervals specified
in the following table elapse.
Table 9-2 Maintenance measures
Maintenance measures Maintenance intervals
Initial inspection After 500 operating hours, at the latest after six months
Regreasing See the lubricant plate
Permanent lubrication (with coupling
output)
Replace bearings after approximately 20,000 operating hours,
at the latest after three years
Cleaning Depending on the degree of pollution
Main inspection After approximately 16,000 operating hours, at the latest after
two years
9.2.6.3 Rolling-contact bearings
The motors have rolling-contact bearing bushes for grease lubrication. Depending on the
version, the motors are permanently lubricated or are equipped with a regreasing device.
Depending on the type of load, a deep-groove ball bearing or a cylindrical-roller bearing is
fitted as a floating bearing on the drive end.
The DE bearing contains built-in compression springs that help to rebalance the axial play of
the external bearing rings.
See also
Description (Page 21)
9.2.6.4 Lubrication
The specified grease data apply for the data specified on the rating plate data and for high-
quality grease in accordance with the specifications in these operating instructions. These
Maintenance
9.2 Inspection and maintenance
SIMOTICS M-1PH8 1PH818., 1PH822.
Operating Instructions 07/2016 105
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