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Valve NCEM0031 VALVE NCEM0031S01 Unit: mm (in) SEM188A Valve head diameter “D” Intake 34.0 - 34.3 (1.339 - 1.350) Exhaust 30.0 - 30.3 (1.181 - 1.193) Valve length “L” Intake 97.04 - 97.16 (3.8205 - 3.8252) Exhaust 97.66 - 97.78 (3.8449 - 3.8496) Valve stem diameter “d” Intake 5.965 - 5.980 (0.2348 - 0.2354) Exhaust 5.945 - 5.960 (0.2341 - 0.2346) Valve seat angle “ α ” Intake 45°15 ′ - 45°45 ′ Exhaust Valve margin “T” Intake 1.1 (0.043) Exhaust 1.3 (0.051) Valve margin “T” limit More than 0.5 (0.020) Valve stem end surface grinding limit Less than 0.2 (0.008) VALVE SPRING NCEM0031S02 Free height mm (in) 47.53 (1.8713) Pressure Standard 519 - 571 (53.0 - 58.2, 117 - 128) at 27.0 (1.063) Limit 491.8 (50.16, 110.6) at 27.0 (1.063) Out-of-square mm (in) Less than 2.1 (0.083) HYDRAULIC LASH ADJUSTER (HLA) NCEM0031S03 Unit: mm (in) HLA outer diameter 16.980 - 16.993 (0.6685 - 0.6690) HLA guide hole diameter 17.000 - 17.020 (0.6693 - 0.6701) Clearance between HLA and HLA guide hole 0.007 - 0.040 (0.0003 - 0.0016) GI MA LC EC FE CL MT AT AX SU BR ST RS BT HA SC EL IDX SERVICE DATA AND SPECIFICATIONS (SDS) Valve EM-69 |