Kohler KD225 Workshop Manual page 5

Cylinder head . ................................................................................................................................................................... 27
Injector projection ............................................................................................................................................................. 27
Valves - Disassembly . ....................................................................................................................................................... 28
Valves - Oil seal in valve guide ......................................................................................................................................... 28
Valve, springs.................................................................................................................................................................... 28
Valves, characteristics ...................................................................................................................................................... 29
Valves, guides and housings ............................................................................................................................................ 29
Valves, guide insertion . ..................................................................................................................................................... 29
Dimensions and clearance between guides and valve stems (mm) ................................................................................ 30
Valves seats and valve seat bores ................................................................................................................................... 30
Valve seat lapping . ............................................................................................................................................................ 30
Cylinder . .............................................................................................................................................................................31
Cylinder roughness . ...........................................................................................................................................................31
Piston .................................................................................................................................................................................31
Dimensions of pistons and cylinders, Logo .......................................................................................................................31
Piston rings, distance between the tips (mm) . .................................................................................................................. 33
Piston rings, play between the slots (mm) ........................................................................................................................ 34
Piston rings, assembly order ............................................................................................................................................ 34
Piston - Refitting ............................................................................................................................................................... 34
Clearance . ......................................................................................................................................................................... 34
Piston protrusion check .................................................................................................................................................... 35
Connecting rod ................................................................................................................................................................. 36
Connecting rod, piston pin . ............................................................................................................................................... 36
Connecting rod alignement . .............................................................................................................................................. 36
Crankshaft end play . ......................................................................................................................................................... 36
Drive shaft oil seals . .......................................................................................................................................................... 37
Drive shaft, lubrication ducts, bore thread on flywheel side and p.t.o. . ............................................................................ 37
Drive shaft, connection radius .......................................................................................................................................... 37
Drive shaft, main journal/crankpin diameter, gear cover bearing inside diameter on timing side . ................................... 37
Crankshaft - journal diameter (mm) .................................................................................................................................. 38
Availability of bearings ...................................................................................................................................................... 38
Camshaft . .......................................................................................................................................................................... 39
Camshaft journals and bore ............................................................................................................................................. 39
Dimensions of camshaft journals and bore (mm) ............................................................................................................. 39
Cam height (mm)............................................................................................................................................................... 39
Camshaft timing . ............................................................................................................................................................... 40
Camshaft - Antireverse system KD 400-440 . .................................................................................................................. 40
Automatic decompression .................................................................................................................................................41
Camshaft end play . ............................................................................................................................................................41
Dynamic balancer (on request) . .........................................................................................................................................41
Dinamic balancer timing ................................................................................................................................................... 43
Valve timing check ............................................................................................................................................................ 43
Timing angles for operation (0.15 valve play). .................................................................................................................. 44
Timing angles for inspection (0.65-0.70 valve play). ........................................................................................................ 44
Speed governor ................................................................................................................................................................ 45
Speed governor removal .................................................................................................................................................. 45
Refitting gear cover on timing side ................................................................................................................................... 45
9 - LUBRICATION SYSTEM .................................................................................................................................... 46
KD 225 - 315 - 350 lubrication system and breather recirculation system . ..................................................................... 46
KD 400-440 lubrication system and breather recirculation system ..................................................................................47
Oil pump . ........................................................................................................................................................................... 48
Oil pump - clearance between rotors ............................................................................................................................... 48
Oil pressure regulation valve ............................................................................................................................................ 48
Internal strainer . ................................................................................................................................................................ 48
Oil filter . ............................................................................................................................................................................. 49
Oil pressure check ............................................................................................................................................................ 49
Calibrated pipe for lubrication of hydraulic tappets .......................................................................................................... 49
Oil pressure curve at idle speed ....................................................................................................................................... 50
Oil pressure curve at full speed ........................................................................................................................................ 50
Fuelling/injection circuit for KD 315-350-400-440 ............................................................................................................51
Fuelling/injection circuit for KD 225 ...................................................................................................................................51
KD 225_315_350_400_440 Workshop Manual_cod. ED0053029330_1° ed_ rev. 00
INDEX
- 5 -