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70325 70326 18625 18882 70327 Figure 138 Figure 139 Figure 140 Figure 141 Figure 142 The rated thickness A for the cylinder head is 105 ± 0.25 mm, max. metal removal shall not exceed thickness B by 0.13 mm. 540662 VALVES INTAKE AND EXHAUST VALVE MAIN DATA Remove carbon deposits from valves using the proper metal Check the valve stem (1) using a micrometer (2), it shall be ± 6.999. Use a magnetic base dial gauge (1) set as shown in the figure, ± 0.092 mm. Turn the valve (2) and check that the centering error is not ! After grinding, check valve sinking. Regrind the valve Removing carbon deposits, checking and grinding valves Checking clearance between valve stem and INTAKE VALVE EXHAUST VALVE E URO C ARGO T ECTOR 12-26 t 70 ENGINE F4 AE 0481 Base - February 2003 |