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 specificationthe 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 007-025. Use the oil type recommended in Section V of the engine operation and maintenance manual. |
Crankshaft rotation is impaired |
Check the crankshaft for ease of rotation. Refer to 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 manufacturer’s instructions. |
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. |
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. |
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. |