3064 and 3066 Engines for Caterpillar Built Machines Caterpillar

Illustration 1	g00527524

(1) Cylinder head

Use a straightedge and a feeler gauge to check the cylinder head for warpage.

Flatness of the cylinder head over total span ... 0.05 mm (0.002 inch)

Resurface the cylinder head if the warpage exceeds the following amount. ... 0.20 mm (0.008 inch)

Gasket thickness of cylinder head ... 1.70 ± 0.10 mm (0.070 ± 0.004 inch)

Thickness of new head ... 95.00 ± 0.10 mm (3.740 ± 0.004 inch)

Minimum thickness of cylinder head ... 94.70 mm (3.728 inch)

Note: The repair limit of the contact surface of the gasket and the repair limit of the cylinder block surface is 0.20 mm (0.008 inch).

Illustration 2	g00527527
Numerical sequence of bolts for 3066 Engine

Put clean engine oil on the threads of the cylinder head bolts. Install the bolts and tighten the bolts in the appropriate numerical sequence to the following torque. ... 118 ± 5 N·m (87 ± 4 lb ft)