KRYOTEC ENGINE 39 H. CAMSHAFT Intake Camshaft Exhaust Camshaft Cylinder Head Cover 1. Check cam shaft run out at 2nd journal by supporting it on V-block at 1st and 3rd journal. 2. Check cam shaft journal dimensions. Record the readings. 3. Carry out visual inspection of cam shaft for: Overheating of journals, this is indicated by bluish/ brown colour. Deep scoring marks on journals and cam lobes Cracks, which should be checked on a magnetic crack detector. 4. Check hardness of cam shaft journals and cam lobes, it should be 45 HRC. Camshaft journal & bearing bore dimensions CAMSHAFTS Measure Value Nominal intake camshaft lift (mm) 8.5 Nominal exhaust camshaft lift (mm) 8 Diameter First pin timing shaft (mm) 43.600 - 43.615 Diameter Second pin timing shaft (mm) 43.400 - 43.415 Diameter Third pin timing shaft (mm) 43.200 - 43.215 Diameter Fourth pin timing shaft (mm) 43.000 - 43.015 Diameter Fifth pin timing shaft (mm) 30.000 - 30.015 Diameter First timing shaft support (mm) 43.646 - 43.671 Diameter Second timing shaft support (mm) 43.446 - 43.471 Diameter Third timing shaft support (mm) 43.246 - 43.271 Diameter Fourth timing shaft support (mm) 43.046 - 43.071 Diameter Fifth timing shaft support (mm) 30.045 - 30.070
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