3412E and C30 Engines Caterpillar


Cylinder Head

Usage:

3412E 9KS



Illustration 1g01120741

Note: Use 5P-3931 Anti-Seize Compound on the bolt threads.

The tightening sequence for the cylinder head bolts follows:

  1. In a numerical sequence, tighten bolt (1) through bolt (26) .

    Torque for bolts ... 270 ± 25 N·m (200 ± 18 lb ft)

  1. In a numerical sequence, tighten bolt (1) through bolt (26) .

    Torque for bolts ... 450 ± 25 N·m (330 ± 18 lb ft)

  1. In a numerical sequence, again tighten bolt (1) through bolt (26) .

    Torque for bolts ... 450 ± 25 N·m (330 ± 18 lb ft)

  1. In a numerical sequence, tighten nut (27) through nut (39) .

    Torque for nuts ... 47 ± 7 N·m (35 ± 5 lb ft)

(40) Tighten the exhaust manifold studs that are in each cylinder head to the following torque. ... 35 ± 5 N·m (26 ± 4 lb ft)




Illustration 2g01120809

(41) Height of new cylinder head ... 112.78 ± 0.25 mm (4.440 ± 0.010 inch)




Illustration 3g01120813

Note: Use 6V-6640 Sealant on the plugs.

(42) The plugs are installed into the cylinder head at the following depth. ... 4.5 ± 0.5 mm (0.18 ± 0.02 inch)

(43) The plugs are installed into the cylinder head at the following depth. ... 2.0 ± 0.5 mm (0.08 ± 0.02 inch)




Illustration 4g01046957

Note: Use 5P-3931 Anti-Seize Compound on the bolt threads.

(44) Tighten the sleeve to the following torque. ... 100 ± 10 N·m (75 ± 7 lb ft)

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