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Warning
This list does not claim to be exhaustive.
It may be necessary to make additional checks and tests corresponding to the actual
plant/system situation.
After assembling the motor in line with technical requirements and before commissioning the
system, check that:
• the motor has been assembled and aligned properly.
• the cover sheets have been remounted correctly, to ensure the cooling of the motor.
• the operating conditions are in accordance with the data specified on the nameplate.
• any supplementary motor monitoring devices and equipment have been correctly
• appropriately configured control functions and speed monitoring equipment ensure that
• the drive elements have the correct setting conditions
• the minimum insulation resistance values are observed.
• the grounding and equipotential bonding connections have been correctly made.
• all mounting screws, connecting elements and electrical connections are tight.
• the rotor can be spun without coming into contact with the stator.
• all shock protection measures for moving and live parts have been taken.
• if the second shaft end has not been used, its feather key has been secured to prevent it
• all separately driven fans fitted are ready for operation and have been connected such
• the flow of cooling air is not impeded.
• all brakes are operating correctly.
[ID: 399]
SIEMENS AG, 1PH718 A5E00215729A
Operating Instructions - Three-phase induction motor - AH 180
connected and are functioning.
speeds cannot exceed the permissible speeds stated on the rating plate.
(e.g. alignment and balancing of couplings, belt tension on belt drives, tooth flank and tip
clearance on gear drives, radial clearance).
being thrown out.
that they rotate in the direction specified.
Notice
Grease loses its lubricating property over time.
The bearings must be relubricated or replaced after extended periods (>2 years) of
storage or if the motor has not been operated during this time.
V 2.0
4.2 Measures to be performed prior to commissioning
Startup
4-3
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