Symptom Tree t078
| Cause | Correction |
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Battery voltage is low |
Check the battery connections. Refer to Procedure 013-009 or Procedure 019-087 in the Troubleshooting and Repair Manual, CELECT™ Plus Fuel System, Bulletin 3666130, and the M11 Series Engines (STC, CELECT™, CELECT™ Plus Models) Base Engine Troubleshooting and Repair Manual, 3666139 , and the OEM service manual. |
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Battery cables are not the correct gauge or length |
Replace the battery cables with larger gauge or shorter length cables. Refer to 013-009. |
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Engine-driven units are engaged |
Disengage engine-driven units. |
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Lubricating oil temperature is below specification013-009 |
Install an oil pan heater, or drain the oil and fill the system with warm oil. |
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Lubricating oil does not meet specifications for operating conditions |
Change the oil and filters. Refer to Cummins Engine Oil Recommendations, Bulletin 3810340 and Procedure 007-025. Use the oil type recommended in Section V of the operation and maintenance manual. |
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Crankshaft rotation is impaired |
Check the crankshaft for ease of rotation. Refer to 001-016. |
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Battery capacity is below specification |
Refer to Electrical System Specifications in Section 13. Replace the batteries if necessary. |
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Battery cables are not the correct gauge or length |
Replace the battery cables with larger gauge or shorter length cables. Refer to Electrical System Specifications in Section 13. |
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Starting circuit component is malfunctioning |
Check the starting circuit components. Refer to OEM service manual. |
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Starting motor pinion or ring gear is damaged |
Remove the starting motor, and inspect the gear. Refer to 013-020 and the manufacturer’s instructions.. |
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Hydraulic lock in a cylinder |
Remove the injectors and rotate the crankshaft. Look for the source of fluid in the cylinder. Refer to 006-026 and 001-016. |
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Internal engine damage |
Analyze the oil and inspect the filters to locate an area of probable damage. Inspect for damaged crankshaft, pistons, and liners. Refer to 007-002 and 007-025. |
