100-002 Engine Diagrams Engine Views The illustrations that follow show the locations of the major external engine components, the filters, and other service and maintenance points. Some external components will be at different locations for different engine models. PT -STC Industrial Engines (Fuel Pump Side) 1. PT fuel pump 2. Aftercooler 3. STC valve
4. Lubricating oil pump 5. Fuel filter. PT -STC Industrial Engines (Exhaust Side) 1. Oil cooler 2. Turbocharger 3. Engine water outlet (to radiator) 4. Thermostat housing 5. Exhaust manifold 6. Remote filter bypass supply 7. Engine water inlet (from radiator) 8. Coolant filter 9. Combination filter 10. Oil drain 11. Starting motor 12. Dipstick 13. Piston cooling nozzle.
1. Fuel shutoff valve 2. Air-fuel control sensing line 3. 5-amp fuses 4. System ground connector 5. OEM C5 and C6 connector bracket 6. Engine speed sensor 7. C5 connector 8. C6 connector 9. Rail pressure sensor and fuel block 10. Hydromechanical STC actuator 11. Engine-side datalink connector 12. Engine harness 13. Fuel pump 14. ECM 15. Electronic fuel control valve. CENTRY Engines (Fuel Pump Side)
CELECT Plus - Jacket Water Aftercooled Engines (Fuel Pump Side) 1. Compuchek adapter fuel rail pressure 2. Compuchek adapter fuel inlet pressure 3. Aftercooler 4. Intake air temperature sensor 5. Service tool datalink (engine mounted) 6. Intake manifold pressure sensor 7. Intake manifold 8. ECM 9. Fuel inlet fitting 10. Starter motor 11. Lubricating oil pressure sensor 12. Fuel filter 13. Lubricating oil temperature sensor 14. Lubricating oil pump 15. Engine position sensor (behind lubricating oil pump) 16. Fuel gear pump.
CELECT Plus - Jacket Water Aftercooled Engines (Exhaust Side) 1. Compuchek adapter block pressure 2. Turbocharger 3. Coolant temperature sensor 4. Compuchek adapter coolant temperature 5. Thermostat housing 6. Exhaust manifold 7. Oil cooler 8. Compuchek adapter water pump inlet pressure 9. Engine water inlet (from radiator) 10. Coolant filter 11. Compuchek adapter oil temperature 12. Oil drain 13. Combination filter 14. Dipstick 15. Compuchek adapter flywheel ring gear sensor 16. Compuchek adapter oil rifle pressure 17. Turbocharger oil supply check valve.
CELECT Plus - Low Temperature Aftercooled Engines (Fuel Pump Side) 1. Aftercooler 2. ECM 3. Fuel filter 4. Engine position sensor (behind lubricating oil pump 5. Fuel gear pump.
CELECT Plus - Low Temperature Aftercooled Engines (Exhaust Side) 1. Turbocharger 2. Engine water (aftercooler) outlet to front radiator 3. Engine water (jacket water) outlet to rear radiator 4. Thermostat housing 5. Exhaust manifold 6. Remote filter bypass supply 7. Engine water inlet 8. Coolant filter 9. Combination filter 10. Dipstick 11. Oil drain 12. Starting motor 13. Piston cooling nozzle 14. Lubricating oil cooler.
CELECT Plus - Charge Air Cooled Engines (Fuel Pump Side) 1. Compressor air discharge 2. Intake air temperature sensor 3. Compuchek adapter intake manifold pressure (from charge air cooler) 4. Engine-mounted service tool datalink 5. Intake manifold 6. Intake manifold pressure sensor 7. ECM 8. Ambient air pressure sensor (when required) 9. Fuel inlet fitting 10. Compuchek adapter (oil rifle pressure) 11. Lubricating oil pressure sensor 12. Fuel filter 13. Compuchek adapter fuel inlet pressure 14. Fuel gear pump 15. Lubricating oil pump 16. Lubricating oil temperature sensor 17. Air compressor 18. Engine piston sensor (behind lubricating oil pump) 19. Compuchek adapter oil temperature 20. Fuel temperature sensor.
CELECT Plus - Charge Air Cooled Engines (Exhaust Side) 1. Compuchek adapter cycle event marker (behind breather tube) 2. Compuchek adapter coolant temperature 3. Coolant temperature sensor 4. Engine water outlet (to radiator) 5. Thermostat housing 6. Compuchek adapter water pump inlet pressure 7. Oil cooler 8. Remote filter bypass supply 9. Engine water outlet (from radiator) 10. Coolant filter 11. Turbocharger oil supply check valve (behind turbocharger) 12. Combination full-flow/bypass lubricating oil filter 13. Oil drain 14. Compuchek Adapter flywheel ring gear sensor 15. Dipstick 16. Piston cooling nozzle 17. Compuchek adapter block pressure 18. Turbocharger 19. Exhaust manifold.
1. Coolant fill 2. Aftercooler 3. Air inlet piping 4. Air cleaner 5. STC valve 6. Rear engine mount 7. Fuel filter 8. Throttle lever 9. Front engine mount 10. Sea water pump inlet 11. Fuel pump. Marine Engines (Port Side)
Marine Engines (Starboard Side) 1. Aftercooler 2. Valve cover 3. Alternate oil fill 4. Coolant expansion tank 5. Heat exchanger 6. Thermostat housing 7. Sea water pump 8. Front engine mount 9. Water filter (coolant) 10. Lubricating oil filter 11. Oil filter 12. Dipstick 13. Starter 14. Rear engine mount 15. Exhaust elbow. Last Modified: 01-Mar-2005 Copyright 2000-2010 Cummins Inc. All rights reserved.