SDMO
Excessive Vibration
Generator vibrates excessively during operation; SDMO baseframe shakes and noise level is high.
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
Damaged or collapsed SDMO anti-vibration mounts, Misalignment between engine and alternator, Unbalanced alternator rotor, Loose mounting bolts
How to Fix / Troubleshooting
Safety first: Do not place hands or tools near moving parts while the generator is running. Excessive vibration can loosen electrical connections.
- Inspect anti-vibration mounts: With the engine off, check rubber mounts between the generator set and baseframe for cracks or collapse. Replace as needed.
- Check mounting bolts: Tighten all engine, alternator, and baseframe bolts to SDMO torque specifications.
- Look for misalignment: On sets with flexible couplings, inspect for visible misalignment or damaged coupling elements. Realign engine and alternator if necessary.
- Consult specialist for rotor balance: If vibration persists, the alternator rotor may require dynamic balancing by a specialist.
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Repair Difficulty
Hard
4/5
Required Part
Anti-Vibration Mounts
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