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Operation
8.12 faults
↓ Grinding noise
↓ Overheating
↓ Radial vibrations
↓ Axial vibrations
Possible causes of faults
X
X Poor alignment
X
Coupled machine not balanced
X Shocks from coupled machine
X
X Resonance of the overall system comprising mo‐
tor and foundation
X
X Changes in foundation
X
Reduced air supply, direction of rotation of fan
possibly incorrect
X
X Uneven gearbox operation
Take into account possible changes which may occur during overheating.
1)
130
Remedial measures
Align the machine set and check the coupling.
Rebalance the coupled machine.
Examine the coupled machine.
Reinforce the foundation after prior consultation with the
Service Center.
Determine the cause of the changes and, if necessary,
rectify. Realign the machine.
Check the air ducts; clean the machine.
Resolve any gearbox faults.
1)
SIMOTICS FD 1MH1
Operating Instructions 08/2017
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