C7.1 Marine Engine Caterpillar

Removal Procedure

Start By:

1. Remove the crankshaft pulley.

2. If equipped, remove the fan.

Show/hide table

Illustration 1	g03344219

1. Remove bolt (3) and remove belt tensioner (4).

2. Remove the front seal from the front cover. Refer to Disassembly and Assembly, "Crankshaft Front Seal - Remove and Install" for the correct procedure.

3. Remove bolts (5) and bolts (6). Identify the positions of bolts of different length.

4. Remove front cover (1) from the front housing.

5. Remove gasket (2) (not shown) from front cover (1).

Installation Procedure

Show/hide table

Illustration 2	g03344252

Show/hide table

Illustration 3	g03344219

1. Thoroughly clean the gasket surface of the front housing.

2. If the original front cover is installed, follow Step 2.a through Step 2.b

   1. Thoroughly clean front cover (1).

   2. Install a new gasket (2) to front cover (1). Engage locators into the holes in the front cover.

3. Install Tooling (A) into Holes (X) in the front housing.

4. Use Tooling (A) to position the front cover assembly onto the front housing.

5. Install bolts (5) and bolts (6) finger tight. Ensure that the bolts of different length are installed in the correct positions.

6. Install a new front seal to the front cover. Refer to Disassembly and Assembly, "Crankshaft Front Seal - Remove and Install" for the correct procedure.

7. Use Tooling (B) to align the front cover.

8. Remove Tooling (A) and install remaining bolts (4).

9. Tighten bolts (5) and bolts (6) to a torque of 22 N·m (195 lb in).

10. Remove Tooling (B) from the front cover.

11. Install belt tensioner (4) and bolt (3).

End By:

1. Install the crankshaft pulley.

2. If equipped with a fan, install the fan.