Operation
8.7 Faults in operation
WOGeneric TEAAC / 2008
44 Siemens AG Operating Instructions 1.03 1RQ671...-Z
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Possible causes of faults Remedial measures
(1)
X Stator or coupling not balanced. Disconnect the stator or coupling and rebalance.
If the machine has two shaft ends, and a power
output element is only fitted to one end, secure the
featherkey at the other end to prevent it from
being thrown out. If the rotor has balance type "H"
(standard type), the featherkey must be cut back
to roughly half of its length.
X Rotor out of true, shaft bent Consult the manufacturing plant.
X X Poor alignment Align the machine set; check the coupling.
(2)
X Coupled machine not balanced Rebalance the coupled machine.
X Shocks from coupled machine Check the coupled machine.
X X Imbalance originating from gearing Fix the gearing.
X X Resonance of the overall system comprising motor
and foundation
Stabilize the foundation following consultation.
X X Changes in foundation Establish the cause of the changes and eliminate
them if necessary; realign the machine.
(1)
As well as eliminating the cause of the fault (as described under "Remedial measures"), you must also rectify any
damage the machine might have sustained.
(2)
Take any changes into account when warming up the machine.
[ID 1062.00]
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