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SEM845E 2. Install main bearing cap and bearing beam to cylinder block. 3. Measure inner diameters “A” of each main bearing. AEM033 4. Measure outer diameters “Dm” of each crankshaft main jour- 5. Calculate main bearing clearance. Standard: 0.035 - 0.045 mm (0.0014 - 0.0018 in) I If it exceeds the limit, replace bearing. I If clearance cannot be adjusted using any standard bearing SEM964 a. When grinding crankshaft journal, confirm that “L” dimension in “L”: 0.1 mm (0.004 in) b. Refer to SDS for grinding crankshaft and available service SEM756G 6. If crankshaft or cylinder block is replaced with a new one, a. Grade number of each cylinder block main journal is punched SEM452G b. Grade number of each crankshaft main journal is punched on c. Select main bearing with suitable thickness according to the GI MA LC EC FE AT AX SU BR ST RS BT HA SC EL IDX CYLINDER BLOCK Inspection (Cont’d) EM-79 |