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IDLER GEAR OIL CLEARANCE I Measure the inner diameter (d 1 ) of idler gear shaft hole. Standard: 26.000 - 26.020 mm (1.0236 - 1.0244 in) I Measure the outer diameter (d 2 ) of idler shaft. Standard: 25.967 - 25.980 mm (1.0223 - 1.0228 in) I Calculate gear clearance. 1 − d 2 Standard: 0.023 - 0.053 mm (0.0009 - 0.0021 in) Installation 1. Install cylinder head gasket. I Cylinder head gasket to be installed is selected by its thickness When replacing gasket only I Install gasket with same thickness as the one removed. I Gasket thickness is identified by the number of notches located Grade Gasket thickness* mm (in) No. of notches 1 0.65 (0.0256) 1 2 0.70 (0.0276) 2 *: Thickness of gasket tightened with head bolts I The number of notches can be checked at the position shown When repairing/replacing the following I When the top of cylinder block or crankshaft pin/journal is I When cylinder block, piston, connecting rod, or crankshaft is 1) Move piston toward TDC. and adjust the needle to “0”. 3) Move dial indicator stand aside, and position the dial indicator to the measuring point as shown in the figure. 4) Rotate crankshaft slowly, and read the value on dial indicator at piston’s maximum height. 5) Repeat above procedure at 2 positions of each cylinder (8 positions in total for 4 cylinders), and select the appropriate FEM057 YEM031 FEM059 FEM060 CYLINDER HEAD ZD Inspection (Cont’d) EM-54 |