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Assembly 1. Install valve component parts. Install valve spring with its narrow pitch side toward cylinder I Always install new valve oil seals. I Before installing oil seal, install valve-spring seat. I When installing valve, apply engine oil on the valve stem I Check whether the valve face is free from foreign matter. I Install valve spring retainers on the intake side and valve I Valve rotators cannot be disassembled. I Install valve shims I Adjust valve clearance 2. Install camshaft and brackets and tighten bracket nuts to the Camshaft-bracket nuts: : 18 - 22 N·m (1.8 - 2.2 kg-m, 13 - 16 ft-lb) I Tighten bracket from center to outside. I Apply sealant to brackets No. 1 and No. 5. I When installing brackets, set camshaft so that the pin of I Install new camshaft oil seals. Installation 1. Install cylinder head gasket. I When replacing only cylinder head gasket, install same I When replacing or repairing cylinder block, piston, con- I Pay attention to the direction of the cylinder head bolt 2. Install cylinder head and tighten cylinder head bolts according SEM202 Painted side Cylinder Narrow Wide pitch SEM731BA SEM528D Grade number Tightening sequence Facing front of engine SEM676D 17.5 (0.689) 13.0 (0.512) No. 1 journal bracket No. 5 journal bracket Unit: mm (in) SEM675D Cylinder head Cylinder head bolt Washer CYLINDER HEAD CD20T Assembly EM-151 |