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Symptom Tree t077
| Cause | Correction |
|---|
|
Air pressure is low in the air tanks |
Increase the air pressure with an external air source. Refer to the OEM service manual. |
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|
Engine-driven units are engaged |
Disengage engine-driven units. |
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|
Lubricating oil temperature is below specification |
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 Procedure 007-013 in Section 7. |
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|
Crankshaft rotation is impaired |
Check the crankshaft for ease of rotation. Refer to Procedure 001-016 in Section 16. |
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|
Starting motor is malfunctioning or starting motor is not correct |
Check the starting motor operation. Compare the starting motor with the engine and vehicle specifications. Refer to the 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 Procedure 013-020 in Section 13 and the OEM service manual. |
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|
Hot stall (hot start) in engine |
Engine is hot and experiencing vapor lock. Refer to the OEM service manual. |
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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 Procedure 006-026 in Section 6 and Procedure 001-016 in Section 1. |
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|
Internal engine damage |
Analyze the oil and inspect the filters to locate an area of probable damage. Refer to Procedure 007-083 in Section 7. |
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