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Checking
Any bearing insulation is fitted as shown on the plates and labels
The CABLES and insulating parts and components are in good condition and
there is no evidence of discoloring
(*) You can perform these checks while the motor is at standstill or, if required, while running.
NOTICE
Machine damage
When carrying out the inspection, if you detect any impermissible deviations from the normal
state, you must rectify them immediately. They may otherwise cause damage to the machine.
See also
Set values for monitoring the winding temperature (Page 100)
9.1.6
Servicing and maintaining the anti-condensation heating
The anti-condensation heating is maintenance-free. If it is defective, contact the Service Center
(Page 167).
9.1.7
Assessing the roller bearings
To assess the roller bearings, it is generally not necessary to dismantle the machines. The
motor only has to be dismantled if the bearings are to be replaced.
The state of a roller bearing can be assessed by analyzing the bearing vibration. The measured
values provide an indication and can be assessed by specialists. Contact the Service Center.
Explosion hazard due to overheating of the rolling bearings
If the rolling bearings are not regularly regreased, local overheating may be possible, and, as
a consequence, an explosion in an explosive atmosphere. This can result in death, serious
injury, or material damage.
● Regrease the rolling bearings regularly according to the lubrication plate.
● Implement bearing temperature monitoring if not yet in existence.
SIMOTICS FD 1MM1
Operating Instructions 02/2019
WARNING
Maintenance
9.1 Inspection and maintenance
When the
At stand‐
motor is
still
running
X
X
123
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