C7.1 Industrial Engine Flywheel Housing - Remove and Install - Flywheel Housing that is Equipped with Rear Power Take-Off Caterpillar

Removal Procedure

Start By:

1. Remove the Rear Power Take-Off (RPTO). Refer to Disassembly and Assembly, "Rear Power Take-Off (RPTO) - Remove" for the correct procedure.

2. Remove the electric starting motor. Refer to Disassembly and Assembly, "Electric Starting Motor - Remove" for the correct procedure.

1. If necessary, remove engine mountings from the flywheel housing. Refer to Original Equipment Manufactures (OEM) for the correct procedure.
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   Illustration 1	g02062234

2. Remove bolts in Position (X) from flywheel housing (7).

3. Install Tooling (B) into Position (X) of flywheel housing (7).

4. Remove bolts (1) and bolts (6) from blanking plate (2) and blanking plate (5).

5. Remove blanking plate (2) and blanking plate (5) from the flywheel housing. Remove O-ring seal (3) (not shown) and O-ring seal (4) (not shown).
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   Illustration 2	g02063693

6. Install Tooling (A) and a suitable lifting device onto flywheel housing (7). The weight of flywheel housing (7) is approximately 134 kg (295 lb).

7. Remove bolts (8), bolts (9) and bolts (10) from flywheel housing (7).

8. Use the suitable lifting device in order to remove flywheel housing (7) from the cylinder block.
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   Illustration 3	g02062293

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   Illustration 4	g02062275

9. If necessary, remove dowels (11) from the cylinder block.

10. Remove gasket (12).

11. Remove oil seal (13) from flywheel housing (7).

Installation Procedure

1. Ensure that the flywheel housing is clean and free from damage. If necessary, replace the flywheel housing.
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   Illustration 5	g02062293

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   Illustration 6	g02063873

2. Install a new oil seal (13) to flywheel housing (7).

   Note: Press the oil seal into the flywheel housing from the rear. Ensure that the front edge of the oil seal is flush with the gasket surface of the flywheel housing.

3. Inspect crankshaft rear seal (14) for leaks. If there are any oil leaks, replace the crankshaft rear seal. Refer to Disassembly and Assembly, "Crankshaft Rear Seal - Remove" and refer to Disassembly and Assembly, "Crankshaft Rear Seal - Install" for the correct procedure.

4. Clean the rear face of the cylinder block. If necessary, install dowels (11) to the cylinder block.

5. Install Tooling (B) to the cylinder block.

6. Align a new gasket (12) with Tooling (B). Install the gasket to the cylinder block.
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   Illustration 7	g03384799

7. Install Tooling (A) and a suitable lifting device onto flywheel housing (7). The weight of the flywheel housing is approximately 134 kg (295 lb).

8. Apply Tooling (C) to the bottom of flywheel housing (7) in order to fill the space between the cylinder block, the flywheel housing, and the engine oil pan.

9. Position flywheel housing (7) on the cylinder block. Install bolts (8), bolts (9), and bolts (10) hand tight.

10. Remove Tooling (B) and install reaming bolts (10).
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    Illustration 8	g03384833
    Flywheel housing tightening sequence

11. Follow Steps 11.a through Step 11.c in order to tighten bolts (8), bolts (9), and bolts (10). Tighten the bolts in the numerical sequence. Refer to Illustration 8.

    1. Tighten the M10 bolt (8) to a torque of 63 N·m (46 lb ft).

    2. Tighten the M16 bolt (9) to a torque of 260 N·m (192 lb ft).

    3. Tighten the M12 bolt (10) to a torque of 115 N·m (85 lb ft).

12. Remove Tooling (A) from the flywheel housing.

13. Check the alignment of the flywheel housing with the crankshaft. Refer to System Operation, Testing and Adjusting, "Flywheel Housing - Inspect" for more information.

14. If necessary, install engine mountings from the flywheel housing. Refer to OEM for the correct procedure.

End By:

1. Install the Rear Power Take-Off (RPTO). Refer to Disassembly and Assembly, "Rear Power Take-Off (RPTO) - Install" for the correct procedure.

2. Install the electric starting motor. Refer to Disassembly and Assembly, "Electric Starting Motor - Remove and Install"for the correct procedure.