SAFARI

ENGINE 33 CAMSHAFT: Standard and Repair sizes of journals and bushes Camshaft Camshaft bearing Finished bore Crank pin for bearing No. journal dia diameter of pressed vacuum pump mm in bearing mm mm Standard 1 55.960/55.941 56.030/56.000 32.000 2 55.710/55.691 55.770/55.740 31.984 3 55.460/55.441 55.520/55.490 Standard – I 1 55.860/55.841 55.930/55.900 31.900 2 55.610/55.591 55.670/55.640 31.384 3 55.360/55.341 55.420/55.390 Repair size – I 1 55.710/55.691 55.780/55.750 31.750 2 55.460/55.441 55.520/55.490 31.734 3 55.210/55.191 55.270/55.240 Repair size – II 1 55.460/55.441 55.530/55.500 31.500 2 55.210/55.191 55.270/55.240 31.484 3 54.960/54.941 55.020/54.990 Parent bore of camshaft bearing in cylinder block. 60.030/60.000 mm Outside diameter of cam bush 60.18/60.15 mm Radial clearance of camshaft journals – 1st journal 0.040-0.089 mm 2nd & 3rd journals 0.030-0.079 mm Axial play of camshaft 0.085-0.265 mm Maximum permissible radial runout of camshaft when supported at 1 & 3 journals measure at : Cam base circle 0.025 mm Helical gear 0.06 mm Bearing journal No. 2 0.025 mm Camshaft gear seat 0.02 mm Permissible concentricity of spigot dia for FIP drive gear w.r.t bore on 0 02 mm camshaft gear Permissible runout of flyweight butting face w.r.t bore on camshaft gear 0.05 mm Hardness of bearing journals base circle and cam lobes 57-63 HRC Permissible runout of flyweight butting face w.r.t bore on FIP drive gear 0.03 mm Backlash between camshaft gear and crankshaft gear 0.12-0.17 mm Backlash between injection pump drive gear and driven gear. 0.12-0.17 mm Backlash between oil pump driving gear and driven gear 0.18-0.34 mm Camshaft spigot diameter for camshaft gear. 34.995/34.980 mm Camshaft gear I.D. 35.025/35.000 mm Fuel injection pump drive gear I.D. 50.025/50.000 mm Spigot dia for FIP drive gear on camshaft gear 49.975/49.959 mm Timer fly weight OD. Fig. 11. 38.000/37.961 mm