|
|
I If clearance exceeds the limit, or any flaws or seizures are Piston outer diameter Use micrometer to measure piston skirt outer diameter. Measurement position: 10 mm (0.39 in) upper from the lower end of pis- Standard: 95.950 - 95.980 mm (3.7776 - 3.7787 in) dia. Calculation of piston to piston bore clearance I Calculate using piston skirt outer diameter and cylinder inner Specifications at room temperature [20°C (68°F)]: 0.040 - 0.060 mm (0.0016 - 0.0024 in) I If out of specification, replace piston and piston pin assembly. SELECTIVE PISTON COMBINATION When using new cylinder block I Confirm cylinder bore grade (1, 2, 3) on left upper surface of I Part No. is given to a piston and piston pin as a set. When re-using an old cylinder block 1. Measure cylinder block bore inner diameter. combination chart”, select appropriate piston according to cyl- FEM110 FEM111 FEM112 FEM113 CYLINDER BLOCK ZD Inspection (Cont’d) EM-75 |