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Contacting width “W”: Intake 1.09 - 1.31 mm (0.0429 - 0.0516 in) SEM621F 8. Use a depth gauge to measure the distance between the Valve seat resurface limit “L”: Intake 41.07 - 41.67 mm (1.6169 - 1.6405 in) SEM188A VALVE DIMENSIONS NHEM0046S12 Check dimensions of each valve. For dimensions, refer to SDS SEM288A VALVE SPRING NHEM0046S13 Squareness NHEM0046S1301 1. Measure dimension “S”. Out-of-square “S”: Less than 2.0 mm (0.079 in) 2. If it exceeds the limit, replace spring. EM113 Pressure NHEM0046S1302 Check valve spring pressure at specified spring height. Pressure: Installation 196 N (20.0 kg, 44.1 lb) at height 37.0 mm (1.457 in) Valve open More than 433 N (44.2 kg, 97.3 lb) at height 27.8 If it exceeds the limit, replace spring. GI MA LC EC FE AT AX SU BR ST RS BT HA SC EL IDX CYLINDER HEAD Inspection (Cont’d) EM-59 |