CUMMINS N14 - Lubricating Oil Consumption Excessive

Lubricating Oil Consumption Excessive
Cause Corrections
----------
Verify Oil Consumption Rate
OK
f
Check oil added versus mileage.
----------
External Oil Leaks
OK
f
Visually check for oil leaks. Tighten
capscrews, pipe plugs, and fittings as
needed. Refer to Specifications, Section V.
Replace gaskets as necessary.
----------
Extended Oil Change Intervals
OK
f
Check and revise oil change intervals.
Refer to the N14 Operation and Mainte-
nance Manual, Bulletin No. 3666024.
----------
Oil Does Not Meet Specifications
OK
f
Change oil. Refer to the N14 Operation
and Maintenance Manual, Bulletin No.
3666024.
----------
Crankcase Breather and/or Breather
Vent Tube Restricted
OK
f
Check crankcase breather and/or vent
tube. Refer to Procedure 2-05.
----------
Dipstick Calibration Incorrect
OK
f
Check dipstick calibration and guide
tube. Refer to Procedure 2-10.
----------
Oil Contaminated With Fuel
OK
f
Refer to ‘‘Fuel in the Lubrication Oil’’
Symptom Chart.
----------
Oil Cooler Leak
OK
f
Check for oil in the coolant. Refer to
‘‘Lubrication of Hydraulic Oil in the
Coolant’’ Symptom Chart.
(Continued)
SectionT-Troubleshooting Troubleshooting Symptoms Charts
N14 Page T-83