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KD 702_1003_1404 Workshop Manual_cod. ED0053029340_1° ed_
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Chapter index
Piston clearance ............................................................................................................................................................... 65
Head gasket ...................................................................................................................................................................... 66
Cylinder head assembly ................................................................................................................................................... 67
Cylinder head tightening procedure KDW 1003
............................................................................................................... 67
Cylinder head tightening procedure KDW 1404
............................................................................................................... 67
Connecting rod ................................................................................................................................................................. 68
Big end bearing ................................................................................................................................................................. 68
Connecting tod, weight ..................................................................................................................................................... 68
Connecting rod with bearings and pin
.............................................................................................................................. 68
Connecting rod alignment
................................................................................................................................................. 69
Cylinders ........................................................................................................................................................................... 69
Cylinder, class ................................................................................................................................................................... 69
Cylinder roughness ........................................................................................................................................................... 69
Central main bearing caps
................................................................................................................................................ 70
Rear and forward main bearing caps
............................................................................................................................... 70
Check the clearances between the bearings and the journal .......................................................................................... 70
Piston coolant nozzles .......................................................................................................................................................71
Shoulder half rings .............................................................................................................................................................71
Crankshaft axial clearance
................................................................................................................................................71
Shoulder half rings, oversized elements........................................................................................................................... 72
Crankshaft front and back oil seal rings
........................................................................................................................... 72
Crankshaft, lubrication lines ............................................................................................................................................. 73
Crankshaft, check journals and crank .............................................................................................................................. 73
Journal and connecting rod pins diameters...................................................................................................................... 73
Main bearings and connecting rod big ends diameters .....................................................................................................74
Clearances between the bearings and corresponding pins ..............................................................................................74
Hydraulic pump drive .........................................................................................................................................................75
Third drive, components ....................................................................................................................................................75
7 - TURBOCHARGER ............................................................................................................................................. 76
Turbo charger .....................................................................................................................................................................76
Turbocharger components .................................................................................................................................................76
Turbocharger pressure testing ...........................................................................................................................................76
Turbocharger west gate adjustment - regolazione corsa asta comando valvola " waste gate " ...................................... 77
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LUBRIFICATION CIRCUIT .................................................................................................................................78
Lubrication circuit ............................................................................................................................................................ 78
Internal oil lter and oil sump return pipe .......................................................................................................................... 79
Oil pump ........................................................................................................................................................................... 79
Oil pump, clearance between rotors ................................................................................................................................. 79
Oil pressure regulating valve ............................................................................................................................................ 80
Oil lter cartridge .............................................................................................................................................................. 80
Oil pressure check ............................................................................................................................................................ 80
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COOLANT CIRCUIT ...........................................................................................................................................82
Coolant circuit ................................................................................................................................................................... 82
Radiator and compensation, check and seal tank cap.
.................................................................................................... 83
Coolant circulation pump, components
............................................................................................................................ 83
Thermostatic valve ............................................................................................................................................................ 83
10 - FUEL SYSTEM .................................................................................................................................................84
Fuel feeding / injection circuit .......................................................................................................................................... 84
Fuel lter detached from the tank (on request)
................................................................................................................. 84
Fuel lift pump
.................................................................................................................................................................... 84
Fuel pump drive rod projection ......................................................................................................................................... 84
Pump/injector unit ............................................................................................................................................................. 85
Pump/injector unit, components ....................................................................................................................................... 85
Plunger barrel ring nut assembly/disassembly
................................................................................................................. 86
Injection pump assembly/disassembly
............................................................................................................................. 86
Plunger injection pump reassembly.................................................................................................................................. 86
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