wc_tx003751gb_FM10.fm187Engine Maintenance: T4F Cummins QSB7-G9The engine maintenance schedule(s) in this chapter are reproduced from theengine owner’s manual. For additional information, see the engine owner’smanual.Maintenance SchedulePerform maintenance at whichever interval occurs first. At each scheduledmaintenance interval, perform all previous maintenance checks that are due forscheduled maintenance.Maintenance Procedures at Daily Interval• Air Intake Piping - Check• Fan, Cooling - Inspect for Reuse• Crankcase Breather Tube - Check• Air Tanks and Reservoirs - Drain• Coolant Level - Check• Fuel-Water Separator - Drain• Lubricating Oil Level - Check• Aftertreatment Exhaust Piping - Check• Dust Ejection Valve - Check• Diesel Exhaust Fluid (DEF) Level - CheckMaintenance Procedures at 250 Hours or 3 Months• Air Cleaner Restriction - Check• Charge-Air Piping - Check• Charge-Air Cooler - Check• Radiator Hoses - Check• Air Intake Piping - Check• Radiator - CheckMaintenance Procedures at 500 Hours or 6 Months• Fuel Filter (Spin-On Type) - Change 6• Lubricating Oil and Filters - Change 1, 7• Engine Coolant Antifreeze - Check 2• Batteries - Check 4• Battery Cables and Connections - Check4• Radiator Pressure Cap - Inspect for Reuse770036Maintenance Procedures at 1000 Hours or 1 Year• Drive Belt, Cooling Fan - Check• Cooling Fan Belt Tensioner - Check
