SAFARI

75 486 PL ENGINE P Stage Width of 4th main bearing journal mm Normal 27.052/27.000 Normal I 27.100/27.152 Thickness of 4th main 2.720,2.670,2.620 bearing thrust washers 2.570,2.520 mm End play of crank shaft 0.070/0.250 mm Fillet radius of main 2.250/2.750 mm bearing journals Fillet radius of crank pin 1.750/2.250 mm journals Width 1st, 2nd, 3rd and 5th 27.000/27.200 mm main bearing journals Width crank pin journals 24.500/24.700 mm Maximum permissible 0.005 mm taper and ovality of main bearing journals Maximum permissible cylindricity 0.005 mm of crank pin Maximum permissible ovality 0.005 mm of crank pin Maximum Permissible 0.03 mm run out of 2nd, 3rd and 4th main bearing journals when supported at 1st and 5th main bearing journals Maximum permissible 0.010 mm out of parallelism between crank pin and main bearing journal axis Pre-tension of main 0.037/0.067 mm bearing shells Hardness of crank shaft main 53 to 59 HRC bearing and crank pin journals Main bearing parent bore dia 63.720/63.739 Maximum permissible cylindricity of main bearing parent bore 0.010 mm Maximum permissible coaxiality 0.030 mm of main bearing parent bore Main bearing clearance Grade 1 0.044-0.079 mm Grade 2 0.038-0.063 mm Connecting rod (Dimensions) : Connecting rod small end Stage Parent bore Bush outside diameter diameter mm mm Normal 24.021/24.00 24.085/24.060 Connecting rod small end 21.010/21.016 mm bush inside diameter (to be finished after installation) (Piston pin oiled has thumb push fit in small end bush) Maximum permissible out || 0.1/100/A of parallelism (bend) between connecting rod small end and big end parent bores measured at a distance of 50 mm from centre line of connecting rod Center to center distance 160.6 + 0.04 mm between connecting rod small end and big end parent bores Maximum permissible twist 0.050 mm of connecting rod measured at a distance of 50 mm from centre line of con-rod. Connecting rod big end parent bore diameter 53.709/53.690 mm Stage Connecting rod Crank pin big end journal bore diameter with diameter bearing shell mm mm Normal 50.03/50.061 49.98/49.995 Normal 1 49.930/49.961 49.88/49.895 Repair 1 49.730/49.761 49.745/49.730 Repair 2 49.430/49.461 49.480/49.445