BRACKET 2184851 - Caterpillar

Note: Thoroughly clean the spacer plate and the bottom surface of the cylinder head. A new spacer plate gasket must be installed when the cylinder head is removed.Note: Apply a thin film of clean engine oil on the seals and the O-ring seals prior to installation.
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Install O-ring seals (12) and gasket (13).
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Install spacer plate (11).
Install seals (10).
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Position the gasket on the engine. Attach Tooling (B) and a suitable lifting device to the cylinder head. The weight of the cylinder head for the 3412E is approximately 172 kg (380 lb). The weight of the cylinder head for the 3408E is approximately 90 kg (200 lb). Install cylinder head (9).
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Install cylinder head nuts (8). Remove Tooling (B).
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Apply Tooling (C) to the shaded area of the fuel manifold. Tooling (C) is applied to the bottom portion of the fuel manifold. Tooling (C) is permitted on the entire face of the fuel manifold.
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Attach Tooling (A) and a suitable lifting device to fuel manifold (6). The weight of the fuel manifold for the 3412E is approximately 60 kg (131 lb). The weight of the fuel manifold for the 3408E is approximately 39 kg (86 lb). Install fuel manifold (6). Install bolts (7).
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Illustration 10 g00582808Note: Apply clean engine oil to the bolts for the cylinder head.
Install cylinder head bolts (5). Install bolts (4).
Tighten the bolts in the following sequence: In a numerical sequence, tighten the bolts 1 through 26 for the 3412E.In a numerical sequence, tighten the bolts 1 through 18 for the 3408E.
In a numerical sequence, tighten the bolts to a torque of 270 15 N m (200 11 lb ft).
In a numerical sequence, tighten the bolts to a torque of 450 15 N m (330 11 lb ft).
In a numerical sequence, again tighten the bolts to a torque of 450 15 N m (330 11 lb ft).
Tighten the upper row of nuts that are on the cylinder head in the following sequence: In a numerical sequence, tighten nuts 27 through 39 for the 3412E to a torque of 45 7 N m (33 5 lb ft).In a numerical sequence, tighten nuts 19 through 27 for the 3408E to a torque of 45 7 N m (33 5 lb ft).
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Install tube assembly (3).
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Install hose assembly (2) on the rear of the fuel manifold.
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Install hose assembly (1) on the front of the fuel manifold. End By:
Install the exhaust manifold. Refer to Disassembly and Assembly, "Exhaust Manifold - Remove and Install".
Install the unit injector sleeves. Refer to Disassembly and Assembly, "Unit Injector Sleeve - Install".