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Unit: mm (in) Grade Piston crown depression Gasket thick- ness*1 No. of notches 1 Less than −0.078 (−0.0031)*2 0.65 (0.0256) 1 2 More than −0.078 (−0.0031)*3 0.70 (0.0276) 2 *1: Thickness of gasket tightened with head bolts 2. Install idler gear and idler shaft. I Check that the counter marks with cam gear, “AA” and “BB”, are CAUTION: Since idler gear cannot be installed or removed with cylinder 3. Install cylinder head assembly. and install. CAUTION: I Make sure the O-ring does not fall off. Be careful not to I Do not damage gasket located at the front. 4. Position cylinder head assembly close to the rear of the gear case. 1) Install cylinder head bolts to the front and rear of cylinder head respectively, and tighten to the specified torque. : 40 - 49 N ⋅ m (4.0 - 5.0 kg-m, 29 - 36 ft-lb) 2) Loosen cylinder head bolts completely. in the figure, and tighten to the specified torque. : Less than 9.8 N ⋅ m (1.0 kg-m, 87 in-lb) 5. Tighten cylinder head bolts in the order indicated in the figure. ⋅ m (10.0 to 10.5 kg-m, 73 to 75 ft- lb). 3) Loosen bolts completely until the torque becomes 0 N ⋅ m (0 kg-m, 0 in-lb). CAUTION: For procedure 3), loosen bolts in the reverse order as indi- ⋅ m (4.0 to 4.5 kg-m, 29 to 32 ft-lb). 5) Tighten bolts at the angle of 90 to 95° (target is 95°). (Angle tightening) FEM061 FEM062 FEM055 CYLINDER HEAD ZD Installation (Cont’d) EM-55 |