February 2017 Service ManualChecklist E ProceduresPart No. 1259369GT S-80 • S-85 • S-80X 71E-4Perform Engine Maintenance –Perkins ModelsEngine specifications require that this procedure beperformed every 3000 hours.804D Models• Water pump- inspect404F Models• Thermostat- replace• Diesel particulate filter- clean• Fuel injectors- test/replace• Flow plugs (ARD combustion)- replace• Radiator cap- replace• Water pump- inspectRequired maintenance procedures and additionalengine information are available in the: Perkins800D Series Operation Manual (Perkins partnumber SEBU8324)OR the Perkins 404F SeriesOperation Manual (Perkins part numberSEBU8609).Perkins 800 Series Operation and MaintenanceManualGenie part number 111332Perkins 404F Series Operation ManualGenie part number 1251562E-5Perform Cooling SystemMaintenance - Perkins 404FModelsEngine specifications require that this procedure beperformed at various intervals.Every 3000 hours or 2 years• Heavy duty coolant- replaceEvery 12000 hours or 6 years• Extended life coolant- replaceRequired maintenance procedures and additionalengine information are available in the Perkins404F Series Operation Manual.Perkins 404F Series Operation ManualGenie part number 1251562
