Gillette
Abnormal Mechanical Noise
Generator is excessively noisy during operation compared to normal.
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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
Loose exhaust components, Worn engine mounts, Failing alternator bearings, Loose sheet metal or enclosure panels
How to Fix / Troubleshooting
Safety first: Keep hands and tools away from moving parts while the generator is running. Wear hearing protection.
Steps:
- Identify noise source: With the Gillette generator running, carefully listen around the exhaust, alternator, engine, and enclosure panels to localize the noise.
- Exhaust system: Tighten exhaust manifold bolts, flex connection clamps, and muffler mounting hardware. Replace broken hangers.
- Engine mounts: Inspect rubber engine mounts on the skid for cracking or separation. Replace if collapsed.
- Alternator bearings: A high-pitched whine or grinding from the alternator end may indicate bearing failure; alternator removal and rebuild are required.
- Enclosure panels: Tighten loose screws and add rubber isolators where panels vibrate.
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Repair Difficulty
Medium
3/5
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