Symptom Tree t077
| Cause | Correction |
|---|
|
Air pressure is low in the air tanks |
Increase air pressure with an external air source. Refer to the OEM service manual. |
 |
|
Engine-driven units are engaged |
Disengage engine-driven units. |
|
|
Lubricating oil temperature is below specification the OEM service manual |
Install an oil pan heater, or drain the oil and fill the system with warm oil. |
|
|
Lubricating oil does not meet specifications for operating conditions |
Change the oil and filters. Refer to Procedure 007-013. |
|
|
Crankshaft rotation is impaired |
Check the crankshaft for ease of rotation. Refer to Procedure 001-016. |
|
|
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 manufacturer’s instructions. |
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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 and the manufacturer’s instructions. |
|
|
Hot stall (hot start) in engine |
Engine is hot and experiencing vapor lock. Refer to the OEM service manual. |
|
|
Hydraulic lock in a cylinder |
Remove the injectors and rotate the crankshaft. Look for the source of fluid in the cylinder. Refer to Procedures 006-026 and 001-016. |
|
|
Internal engine damage |
Analyze the oil and inspect the filters to locate an area of probable damage. Refer to Procedure 007-083. |
