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AEM024 2. Measure outer diameter of piston pin “Dp”. Standard diameter “Dp”: 21.989 - 22.001 mm (0.8657 - 0.8622 in) 3. Calculate interference fit of piston pin to piston. Dp − dp: 0.002 - 0.006 mm (0.0001 - 0.0002 in) If it exceeds the above value, replace piston assembly with pin. SEM024AA PISTON RING SIDE CLEARANCE NCEM0026S02 Side clearance: Top ring 0.040 - 0.080 mm (0.0016 - 0.0031 in) 2nd ring 0.030 - 0.070 mm (0.0012 - 0.0028 in) Max. limit of side clearance: Top and 2nd ring 0.1 mm (0.004 in) If out of specification, replace piston ring. If clearance exceeds GI MA LC EC FE CL MT AT AX SU BR ST RS BT HA SC EL IDX CYLINDER BLOCK Inspection (Cont’d) EM-57 |