4471-510
UnclassifiedCooling
What This Code Means
Bearing grease deterioration; Bearing grease loses lubricating properties; Premature bearing failure; Bearing temperature operating above recommended set points
Possible Causes
- •Extended service life (10 years of service in standby application under normal conditions)
- •High temperature environment
- •Condensing humidity
- •Coastal environment
- •Chemical environment
- •Abrasive environment
- •Generator set operating above recommended temperature set points
- •Lack of temperature monitoring and record-keeping
Suggested Actions
- 1Replace the bearing after 10 years of service in standby application under normal conditions
- 2Replace the bearing after 5 years of service if operated in harsh conditions (high temperature, condensing humidity, coastal, chemical, or abrasive environments)
- 3Measure the bearing temperature using an infrared thermometer after the generator reaches normal operating temperature
- 4Keep records to monitor the changes in the temperature of the bearing
Related Caterpillar Fault Codes
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