1.5L REVOTORQ ENGINE 60 J. CAMSHAFT 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 Cam shaft bearing bore diameter in cylinder head (mm) Cam shaft bearing journal diameter (mm) Standard 24 24 Bore dia. In 1st cap for front oil seal (mm) Front 42 Maximum permissible run out of camshaft bearing journal (mm) 0.02 Maximum permissible axial play of the camshaft in installed condition (mm) 0.100-0.177 Camshaft bearing clearance 0.02-0.062 +0.025, -0.0 +0.021, -0.000 -0.020, -0.041
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