. ENGINE OVERHAUL 2. Select suitable thickness of main bearing according to the following table. Main journal grade number O 1 2 3 Main bearing grade number D 0 1 2 3 Crankshaft ioumal 1 2 3 9" 2 z 3 4 5 number '3 3 4 5 6 In case of grade number "3, number "1" and "2" are stamped in place of number "3' For example: Main journal grade number: 2 Crankshaft journal grade number: 3 Main bearing grade number = 2+3 = 5 Main bearing: Refer to S.D.S. 3. Install piston assembly. a. Set piston rings as shown below. Piston pin dinclion Thrust amnion Top nng 2nd ring Oil ring uDD ml 4 Oil ring , rexplnder on ring lower rail SEMIEOA APYKMEZ SEMnAA Assembly (Contd) b. If either cylinder block or piston is replaced with new one, select piston grade number and ring set according to the table in S.D.S. c. If only a piston ring is replaced with new one, select ring set according to the table in 8.0.8. Piston grade number and ring sat Piston wade number No 1 piston No. 1 vision Piston No. 3 piston Nor Piston Ring set g Identication oolor Cylinder block Timing belt side SEM 1 Bl , r 4. Apply sealant to main bearing cap, then ir stall it. Make sure if the applied sealant has hardenet before starting engine. :Q Apply sealant. SEMD12E