Mechanical Performance Problem
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| Mechanical Performance | ||||
|---|---|---|---|---|
| Experienced Malfunction | Possible Cause | Corrective Action | ||
| Vibration | Noise | |||
| Yes | Yes | Lubrication malfunction | Check lubricant quality and quantity and lubrication system function | |
| Yes | Yes | Bearing malfunction | Damaged bearing parts | Check bearing condition and replace bearing parts |
| Yes | Yes | Faulty bearing assembly | Open and read just the bearing | |
| Yes | Yes | Faulty cooling fans | Imbalanced or damaged fans | Check and repair cooling fans |
| No | Yes | Malfunctioning cooling system | Inspect and repair cooling system | |
| Yes | Yes | Machine misalignment | Check machine alignment | |
| Yes | Yes | Rotor or shaft imbalance | Rebalance rotor | |
| Yes | Yes | Vibration coming from connected machinery | Check the balance of connected machinery and coupling type | |
| Yes | Yes | Axial load coming from connected machinery | Check alignment and coupling function and type | |
| Yes | Yes | Faulty or incorrectly assembled coupling | Check coupling function | |
| Yes | No | Insufficient foundation strength | Reinforce foundation | |
| No | Yes | Winding fault | Check windings | |
| Yes | Yes | Excessive network unbalance | Check that network balance fulfills requirements | |
| No | Yes | Foreign material, moisture, or dirt inside the machine | Check and clean machine interior, dry windings | |
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