PIN 1569804 - Caterpillar

Start By:
Remove the flywheel. Refer to Disassembly and Assembly, "Flywheel - Remove" for the correct procedure.
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Note: The wet back end flywheel housing may be installed on standard engines. When the wet back-end flywheel housing is installed, to a standard engine a seal will not be installed to the flywheel housing.
Illustration 1 g01986178
Typical example
Illustration 2 g01988515
Remove the bolts from Position (X) from flywheel housing (1).
Install Tooling (A) into Position (X) on flywheel housing (1).
Install a suitable lifting device to the flywheel housing in order to support the flywheel housing. The flywheel housing can weigh 40 kg (88 lb).
Remove bolts (2) and remaining bolts (3) from flywheel housing (1).
Use the lifting device in order to remove flywheel housing (1) from the cylinder block.
Illustration 3 g01988534
Typical example
Remove dust seal (5).
Illustration 4 g01988535
Typical example
Remove gasket (6).
If necessary, remove dowels (4) from the cylinder block.
Remove oil seal (7) from flywheel housing (1). Installation Procedure (Wet Back End Housing)
Table 2
Required Tools
Tool Part Number Part Description Qty
A - Guide Studs
M10 by 100 mm 2
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Ensure that the flywheel housing is clean and free from damage. If necessary, replace the flywheel housing.
Illustration 5 g01988676
Typical example
Install a new oil seal (7) to flywheel housing (1). 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 .
Illustration 6 g01988677
Typical example
Inspect crankshaft rear seal (8) 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.
Clean the rear face of the cylinder block. If necessary, install dowels (4) to the cylinder block.
Install Tooling (A) to the cylinder block.
Align a new gasket (6) with Tooling (A). Install the gasket to the cylinder block.
Install dust seal (5).
Install a suitable lifting device to the flywheel housing. The flywheel housing can weigh 40 kg (88 lb).
Use the lifting device to align flywheel housing (1) with Tooling (A). Install the flywheel housing to the cylinder block.
Install bolts (2) and bolts (3).
Remove Tooling (A). Install remaining bolts (3).
Illustration 7 g01984554
Identification of the bolt Grade.
When 8.8 Graded bolts are installed, follow Step 12.a through Step 12.b.
Tighten bolts (3) to a torque of 63 N m (46 lb ft).
Tighten bolts (2) to a torque of 78 N m (58 lb ft).
When 10.9 Graded bolts are installed, follow Step 13.a through Step 13.b.
Tighten bolts (3) to a torque of 115 N m (85 lb ft).
Tighten bolts (2) to a torque of 190 N m (140 lb ft).
Check the alignment of flywheel housing (1) with the crankshaft. Refer to System Operation, Testing and Adjusting, "Flywheel Housing - Inspect" for further information. End By:
Install the flywheel. Refer to Disassembly and Assembly, "Flywheel - Install" for the correct procedure.