3406E Engine Caterpillar

Removal Procedure

Start By:

1. Remove the crankshaft rear seal. Refer to Disassembly and Assembly, "Crankshaft Rear Seal - Remove".

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

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Illustration 1	g01008304

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Illustration 2	g01044368

1. Install Tooling (A) and a suitable lifting device to flywheel housing (2).

2. Remove bolts (1) and bolts (3). Remove flywheel housing (2) from the dowels in the cylinder block. The weight of the flywheel housing is approximately 32 kg (71 lb).

Installation Procedure (103-4701)

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Illustration 3	g01044254

Note: Prior to assembly, apply a small amount of Tooling (B) at the joint of the following components: the flywheel housing, the engine oil pan and the cylinder block.

1. Install Tooling (A) and position the flywheel housing. Install bolt 1 through bolt 19. Use the following procedure in order to tighten the bolts:

   1. In a numerical sequence, tighten bolt 1 through bolt 19 to a torque of 40 ± 7 N·m (30 ± 5 lb ft).

   2. In a numerical sequence, again tighten bolt 1 through bolt 9 to a torque of 135 ± 15 N·m (100 ± 11 lb ft).

   3. In a numerical sequence, again tighten bolt 10 through bolt 19 to a torque of 55 ± 7 N·m (40 ± 5 lb ft).
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   Illustration 4	g01008304

2. Install bolts (1) that fasten the engine oil pan to flywheel housing (2).

End By:

1. Install the electric starting motor. Refer to Disassembly and Assembly, "Electric Starting Motor - Remove and Install".

2. Install the crankshaft rear seal. Refer to Disassembly and Assembly, "Crankshaft Rear Seal - Install".

Installation Procedure (116-0696, 116-4896)

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Illustration 5	g01044198

Note: Prior to assembly, apply a small amount of Tooling (B) at the joint of the following components: the flywheel housing, the engine oil pan and the cylinder block.

1. Install Tooling (A) and position the flywheel housing on the engine. Install bolt 1 through bolt 24. Use the following procedure in order to tighten the bolts:

   1. In a numerical sequence, tighten bolt 1 through bolt 24 to a torque of 40 ± 10 N·m (30 ± 7 lb ft).

   2. In a numerical sequence, again tighten bolt 1 through bolt 24 to a torque of 40 ± 10 N·m (30 ± 7 lb ft).
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   Illustration 6	g01008304

2. Install bolts (1) that fasten the engine oil pan to flywheel housing (2).

End By:

1. Install the electric starting motor. Refer to Disassembly and Assembly, "Electric Starting Motor - Remove and Install".

2. Install the crankshaft rear seal. Refer to Disassembly and Assembly, "Crankshaft Rear Seal - Install".

Installation Procedure (9N-2184, 109-4311, 130-3788, 134-4133)

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Illustration 7	g01044198

Note: Prior to assembly, apply a small amount of Tooling (B) at the joint of the following components: the flywheel housing, the engine oil pan and the cylinder block.

1. Install Tooling (A) and position the flywheel housing on the engine. Install bolt 1 through bolt 24. Use the following procedure in order to tighten the bolts:

   1. In a numerical sequence, tighten bolt 1 through bolt 24 to a torque of 40 ± 10 N·m (30 ± 7 lb ft).

   2. In a numerical sequence, again tighten bolt 1 through bolt 9 to a torque of 135 ± 20 N·m (100 ± 15 lb ft).

   3. In a numerical sequence, again tighten bolt 10 through bolt 24 to a torque of 55 ± 10 N·m (40 ± 7 lb ft).
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   Illustration 8	g01008304

2. Install bolts (1) that fasten the engine oil pan to flywheel housing (2).

End By:

1. Install the electric starting motor. Refer to Disassembly and Assembly, "Electric Starting Motor - Remove and Install".

2. Install the crankshaft rear seal. Refer to Disassembly and Assembly, "Crankshaft Rear Seal - Install".

Installation Procedure (All other flywheel housings)

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Illustration 9	g01044198

Note: Prior to assembly, apply a small amount of Tooling (B) at the joint of the following components: the flywheel housing, the engine oil pan and the cylinder block.

1. Install Tooling (A) and position the flywheel housing on the engine. Install bolt 1 through bolt 24. Use the following procedure in order to tighten the bolts:

   1. In a numerical sequence, tighten bolt 1 through bolt 9 to a torque of 100 ± 20 N·m (75 ± 15 lb ft).

   2. In a numerical sequence, tighten bolt 10 through bolt 24 to a torque of 40 ± 10 N·m (30 ± 7 lb ft).

   3. In a numerical sequence, again tighten bolt 1 through bolt 9 to a torque of 135 ± 20 N·m (100 ± 15 lb ft).

   4. In a numerical sequence, again tighten bolt 10 through bolt 24 to a torque of 55 ± 10 N·m (40 ± 7 lb ft).
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   Illustration 10	g01008304

2. Install bolts (1) that fasten the engine oil pan to flywheel housing (2).

End By:

1. Install the electric starting motor. Refer to Disassembly and Assembly, "Electric Starting Motor - Remove and Install".

2. Install the crankshaft rear seal. Refer to Disassembly and Assembly, "Crankshaft Rear Seal - Install".