3056 Engine for Caterpillar Built Machines Caterpillar

Installation Procedure

Engines with 14 Bolt Housing Assembly

1. Inspect the condition of the gasket. Replace the gasket, if necessary.

2. Clean the areas of the parts that will contact each other.
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   Illustration 1	g00804647

3. Use Tooling (A) and a suitable press to install the crankshaft rear seal into the housing.

4. Lubricate the components with clean engine oil. Install Tooling (A) onto the crankshaft flange.

5. Position the new gasket on the dowels in the cylinder block.
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   Illustration 2	g00606404
   Typical example

6. Place housing (3) and crankshaft rear seal (4) over Tooling (A).

7. Position housing (3) on the dowels in the cylinder block.

8. Remove Tooling (A).
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   Illustration 3	g00632744
   The flywheel housing has been removed for photographic purposes only.

9. Install socket head bolts (2) onto housing (3).

10. Install bolts (1) in order to fasten housing (3) to the cylinder block. Tighten all of the bolts to a torque of 22 N·m (16 lb ft).

Engines with 10 Bolt Housing Assembly

Note: The 10 bolt housing assembly is manufactured as a one-piece assembly. The 10 bolt housing assembly is NOT adaptable to engines that have the 14 bolt housing assembly.

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Illustration 4	g00831176

Note: The crankshaft rear seal is lubricated. There is no need to lubricate the seal or the crankshaft flange before installation.

1. Place housing assembly (3) on crankshaft flange (1) until the housing assembly contacts the cylinder block face. Plastic sleeve (2) will push out of the housing assembly. Discard the plastic sleeve after the housing assembly is installed.

2. Place Tooling (B) over housing assembly (3). This will center the housing assembly onto the crankshaft flange.
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   Illustration 5	g00830867

3. Install the bolts with Tooling (B) in position in order to fasten housing assembly (3) to the cylinder block. Tighten bolts 1 and 2 to a torque of 22 N·m (16 lb ft).

4. Remove Tooling (B). Tighten the remaining bolts in sequence to a torque of 22 N·m (16 lb ft).

End By:

1. Install the flywheel. Refer to Disassembly and Assembly, "Flywheel - Install".