Symptom Tree t103
| Cause | Correction |
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Identify lubricating oil contamination |
Perform an oil analysis to determine the contaminants. |
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|
Bulk oil supply is contaminated |
Check the bulk oil supply. Drain the oil and replace with noncontaminated oil. Replace the oil filters. Refer to Procedure 007-013. |
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|
Internal coolant leaks |
Refer to the Coolant Loss symptom tree. |
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Lubricating oil sludge is excessive |
Change the oil and filters. Refer to the Lubricating Oil Sludge in the Crankcase Excessive symptom tree and Procedures 007-013 and 007-025. |
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Lubricating oil does not meet specifications for operating conditions |
Change the oil and filters. Refer to Procedure 007-013. Use the oil type recommended in Section V of the operation and maintenance manual. |
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Lubricating oil drain interval is excessive |
Verify the correct lubricating oil drain interval. Refer to the Operation and Maintenance Manual, B5.9G, B5.9LPG, B Gas Plus and B LPG Plus Engines, Bulletin 3666112. |
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|
Alternator bearing worn or damaged |
Clean and replace the alternator. Refer to Procedure 013-001. |
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|
Air compressor is excessively worn or internally damaged |
Replace or rebuild the air compressor. Refer to Procedure 012-014. |
