Lubrication Of Rolling Contact Bearings Prior To Commissioning - Siemens H-compact PLUS Operating Instructions Manual

Three-phase asynchronous motor
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7.4 Lubrication of rolling contact bearings prior to commissioning

● If the second shaft end is not in use, its featherkey is secured to prevent it from being
● For air cooling:
● For water cooling: the cooling water supply is ready for operation.
● All brakes are operating correctly.
● Appropriately configured control and speed monitoring functions ensure that the motor
● While being operated on the converter, the motor cannot exceed the specified upper
● When the motor is switched on, the oil supply pump is running (if the motor has been
● The rolling-contact bearings have been regreased as appropriate for the model. Rolling-
Note
This list does not claim to be exhaustive. It may be necessary to make additional checks
and tests in accordance with the situation specific to the particular place of installation.
[ID 1021.00]
7.4
Lubrication of rolling contact bearings prior to commissioning
● Before recommissioning, you must regrease the bearings if the machine stoppage has
● New grease must be used on the bearings before commissioning in the following
36
thrown out, and cut back to roughly half its length if the rotor has balance type "H"
(standard type). The open shaft end is covered.
– All external fans fitted are ready for operation and have been connected so that they
rotate in the direction specified.
– The flow of cooling air is not impeded.
cannot exceed the permissible speeds specified on the rating plate. See also the plant-
specific documentation.
speed limit n
or undershoot the lower speed limit n
max
If the design of the motor requires that the converter is assigned in a particular way, the
rating plate or certificate will contain corresponding additional information.
configured in this way).
contact bearing machines which have been in storage for more than one year must be
regreased.
lasted longer than a year. The shaft must rotate so that the new grease can be distributed
throughout the bearings.
circumstances.
– When the machine has been in storage in favorable conditions, e.g. in dry rooms that
are free of dust and vibrations. This applies to the period between delivery and
commissioning, or longer periods of stoppage.
– If the machine has been in storage in unfavorable conditions for more than two
years. Pay attention to the instructions on the lubricant plate.
.
min
Siemens AG Operating Instructions 1.03 1RQ671...-Z
WOGeneric TEAAC / 2008

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