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Maintenance
9.2 Corrective Maintenance
Procedure
1. The drawings and parts lists do not contain any detailed information about the type and
2. Before pulling off any parts that have been screwed on, replace two of the fixing bolts at
3. Use forcing-off bolts or suitable devices to disassemble parts and components attached
4. Before lifting off the upper part of the housing, loosen the equipotential bonding conductor
5. Observe the following when attaching the rotor: The centering recesses in the shaft ends
See also
Preparations for use (Page 17)
9.2.2
Repairing the upper part of the enclosure.
To make disassembly and assembly of the air intake cowl easier, remove the upper part of
the enclosure.
Dismounting
Only remove the upper part of the enclosure when it is in a horizontal position.
50
dimensions of fixing elements. For this reason, you should establish this information
when dismantling them and make a note of it for the purpose of reassembly.
the top with excessively long or threaded bolts. This ensures that the part is supported
after it is pulled off.
to the motor shaft.
and the fixing bolts on the stator housing. Only use the lifting lugs welded onto the upper
part of the housing to lift it. The weight of the upper part of the housing can be found in
the "Technical data" section.
have recessed threads, i.e. DIN 580 eye-bolts are unsuitable to attach the rotor because
only a few threads would be engaged. Depending on the rotor weight and load direction,
if required, use other suitable elements with a screw-in depth of > 0.8 x thread diameter.
WARNING
Rotor can fall out
If the motor is in a vertical position, the rotor can fall out while work is being performed
on the locating bearing. This can result in death, serious injury or material damage.
Support or unload the rotor when carrying out work with the machine in a vertical
position.
Siemens AG Operating Instructions 1.03 1RQ671...-Z
WOGeneric TEAAC / 2008
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