Kaiyi BAIC Engine Service Manual HL940A Series (EN)

SECTION 2 ENGINE SECTION 2 ENGINE Group 1 Structure and Function - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 2-1 Group 2 Engine speed and Stall rpm - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 2-11 Group 3 Fuel warmer system - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 2-12

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SECTION 2 ENGINE SECTION 2 ENGINE GROUP 1 STRUCTURE AND FUNCTION GROUP 1 STRUCTURE AND FUNCTION 1. SYSTEM DIAGRAMS 1. SYSTEM DIAGRAMS The following drawings show the flow through the engine systems.

FUEL SYSTEM FUEL SYSTEM 1) 1) 760F2EG10 1 Fuel from supply tank 2 Water/fuel separator filter 3 Priming pump 4 Fuel supply to fuel gear pump 5 Fuel gear pump 6 To pressure side fuel filter 7 Pressure side fuel filter 8 To high-pressure fuel pump 9 High-pressure fuel pump 10 To fuel rail 11 Fuel rail 12 Fuel rail pressure relief valve 13 Common rail fuel return 14 High-pressure fuel line to injector 15 High-pressure connector 16 Injector 17 Fuel return from injectors 18 Combined fuel return 19 Fuel return to fuel supply tank 2-1

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LUBRICATING OIL SYSTEM LUBRICATING OIL SYSTEM 2) 2) 7609A2EG11 1 Lubricating oil pump 2 Pressure regulating valve closed 3 Pressure regulating valve open 4 From lubricating oil pump 5 To lubricating oil cooler 6 To lubricating oil pan 7 Lubricating oil cooler 8 Filter bypass valve 9 Filter bypass valve closed 10 Filter bypass valve open 11 To lubricating oil filter 12 Full-flow lubricating oil filter 13 From lubricating oil filter 14 To main lubricating oil rifle(s) Lubrication for the turbocharger Lubrication for the turbocharger (1) (1) 7609A2EG12 1 Turbocharger lubricating oil supply 2 Turbocharger lubricating oil drain 2-2

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Lubrication for the power components Lubrication for the power components (2) (2) 7609A2EG13 1 From lubricating oil cooler 2 Main lubricating oil rifle 3 To overhead components 4 To upper main bearing 5 To camshaft journal 6 Oil supply to rod bearings 7 Crankshaft cross drilling from the main bearing journal 8 J-jet piston-cooling nozzle 9 To accessory drive oil feed Lubrication for the overhead components Lubrication for the overhead components (3) (3) 7609A2EG14 1 Main lubricating oil rifle 2 Rocker lever support 3 Transfer slot 4 Rocker lever shaft 5 Rocker lever bore 6 Rocker lever 2-3

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