ALTROZ SERVICE MANUAL

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 1 st 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