MUFFLER AS 6N5437 - Caterpillar

Removal Procedure
Start By:
Remove the crankshaft rear seal. Refer to Disassembly and Assembly Manual, "Crankshaft Rear Seal - Remove" for the correct procedure.
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Note: Wear sleeves are used to reclaim worn seal surfaces or damaged seal surfaces. Wear sleeves are not original equipment.
Illustration 1 g03358286
Use a sharp tool to score a deep line across the crankshaft wear sleeve (1). Note: Take care to avoid damaging the crankshaft.
Insert a thin blade between crankshaft wear sleeve (1) and crankshaft (2) below the scored line. The crankshaft wear sleeve will separate along the line.
Remove crankshaft wear sleeve (1) from crankshaft (2). Installation Procedure
Table 1
Required Tools
Tool Part Number Part Description
A 1U-8846 Liquid Gasket
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Ensure that the crankshaft is thoroughly clean and dry.
Illustration 2 g03358287
Apply a small continuous bead of Tooling (A) to the inner surface of a new crankshaft wear sleeve (1) at Position X. Apply the bead of Tooling (A) 5 mm (0.2 inch) from the flange end of crankshaft wear sleeve.
Illustration 3 g03338321
Align crankshaft wear sleeve (1) with crankshaft (2). Position installation tool (3) that is provided with the crankshaft wear sleeve over the crankshaft. Use a hammer to drive the crankshaft wear sleeve onto the crankshaft. Ensure that the flange of the crankshaft wear sleeve is 0.40 to 0.60 mm (0.017 to 0.024 inch) from the cylinder block. Note: Measure Distance (Y) between the flange of crankshaft wear sleeve (1) and the cylinder block in two places that are 180 degrees from each other.
Remove installation tool (3).
Ensure that the crankshaft wear sleeve has no rough edges. End By:
Install a new crankshaft rear seal. Refer to Disassembly and Assembly Manual, "Crankshaft Rear Seal - Install" for the correct procedure.