Diesel Generator Abnormal Noise – Fault Diagnosis | Horton Power

Diesel Generator Abnormal Noise – Fault Analysis

H1: Diesel Generator Abnormal Noise – Troubleshooting Guide

Different noises indicate different mechanical problems.

H2: Common Abnormal Sounds

1. Sharp Metallic Knock – Early Injection Timing

Solution: Adjust fuel timing

2. Dull Knocking – Late Injection Timing

Solution: Adjust timing

3. Connecting Rod or Main Bearing Knock

Solution: Replace worn bearings

4. Thrust Bearing Failure

Solution: Replace bearing

5. Damper Failure (Crankshaft Vibration)

Solution: Replace damper

6. Valve-Piston Collision

Solution: Adjust timing

7. Worn Timing Gears

Solution: Replace gears

8. Excess Piston-to-Cylinder Clearance

Solution: Replace piston/liner

9. Turbocharger Surge Noise

Solution: Clean passages

10. Turbocharger Bearing Failure

Solution: Replace turbo