Improved Oils and Engine Technology Make Extended Drain Intervals Advisable for Quick-Turnover Fleets w/ Close Monitoring
Background Oil change required before failure defined as: Dispersant additive overloaded w/ soot; filters plug; viscosity increases; excess heat transfer via oil causing oxidation; acid level too high; piston deposits block oil flow; carbon packing/ring scuffing; pin bore deposits stop pin rotation; anti-wear additives deplete
Using API CI-4 Oils and Regular Analysis Can Save Fleets Significant Money
Background Oil samples should be taken from fitting in main oil galley after full flow filter Run out 4-6 oz of oil before taking sample If forced to use dipstick tube method, discard first 12 oz If sampling from drain stream, wait 7-10 seconds
