SAFARI

ENGINE 27 Fig. 8 STANDARD AND REPAIR SIZES OF TAPPET BORES & TAPPETS : Fig. 8 Size Tappet bores in Outer dia of engine crank case tappet Dim 'A' Dim 'B' Standard 28.033/28.000 27.99/27.98 mm Repair size I 28.233/28.200 28.19/28.18 mm (Grey) Repair size II 28.533/28.500 28.49/28.48 mm (White) Repair size III 28.783/28.750 28.74/28.73 mm (Yellow) Diametral clearance of tappets in their bores. 0.010-0.053 mm Maximum permissible run out of tappet face which comes in contact with 0.03 mm cam surface (with respect of tappet axis) Minimum hardness of tappet face which comes in contact 500 HB with cam lobe surface. 50 HRC Maximum permissible ovality of tappet outside diameter 0.01 mm