ROD 8H4685 - Caterpillar

Inspect crankshaft rear seal (9) 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 (5) to the cylinder block.
Install Tooling (A) to the cylinder block.
Align a new gasket (7) with Tooling (A). Install the gasket to the cylinder block.
Install dust seal (6).
Illustration 7 g03386555
Typical example
Install a suitable lifting device onto the flywheel housing. The weight of the flywheel housing is approximately 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), bolts (3) and bolts (4).
Remove Tooling (A). Install remaining bolts (2).
Illustration 8 g03386504
Tightening sequence of Type (A) flywheel housing
Illustration 9 g03387121
Identification of the bolt Grade.
Follow Step 12.a through Step 12.cin order to tighten