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EM-104 < DISASSEMBLY AND ASSEMBLY > CYLINDER HEAD c. Using a drift, press-fit spark plug tube so that its height (A) is as CAUTION: • When press-fitting, take care not to deform spark plug tube. • After press-fitting, wipe off liquid gasket protruding onto cylinder-head upper face. 11. Install spark plug with the spark plug wrench (commercial service tool). Inspection INFOID:0000000003802292 INSPECTION AFTER REMOVAL Cylinder Head Bolts Outer Diameter • Cylinder head bolts are tightened by plastic zone tightening method. Whenever the size difference between (C) and (B) • If reduction of outer diameter appears in a position other than (B), use it as (B) point. Cylinder Head Distortion NOTE: . 1. Using a scraper, wipe off oil, scale, gasket, sealant and carbon deposits from surface of cylinder head. CAUTION: Never allow gasket fragments to enter engine oil or engine coolant passages. 2. At each of several locations on bottom surface of cylinder head, • If it exceeds the limit, replace cylinder head. INSPECTION AFTER DISASSEMBLY Valve Dimensions • Check the dimensions of each valve. For the dimensions, refer to . • If dimensions are out of the standard, replace valve and check valve seat contact. Refer to "Valve Seat Con- tact". Valve Guide Clearance Valve Stem Diameter B : High strength thread locking sealant application area Standard press-fit height: 37.7 - 38.7 mm (1.484 - 1.524 in) JPBIA0181ZZ Limit [(C) - (B)] : 0.11 mm (0.0043 in) A : Measuring point d : 11 mm (0.43 in) e : 48 mm (1.89 in) JPBIA0173ZZ Limit : Refer to . JPBIA0176ZZ |