SUPPORT AS 3156356 - Caterpillar

Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 278-2636 Front Oil Seal Removal Tool 1 Start By:
Remove the crankshaft pulley. Refer to Disassembly and Assembly, "Vibration Damper and Pulley - Remove" for the correct procedure.
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 1 g02048634
Position Tooling (A) on the nose of the crankshaft. Screw Tooling (A) into crankshaft front seal (2). Note: Do not damage the edge of the front cover for the crankshaft front seal.
Screw the bolt into Tooling (A) in order to remove crankshaft front seal (2) from front cover (1). Installation Procedure
Table 2
Required Tools
Tool Part Number Part Description Qty
B 9U-6206 Stud Front Seal Installer 1
9U-6207 Plate 1
9U-6209 Sleeve Plate 1
9U-6211 Seal Installer Tool 1
366-5984 Installer Assembly 1
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Ensure that the bore for the crankshaft front oil seal in the front cover is clean and free from damage.
Illustration 2 g03417117
Assemble Tooling (B).
Correctly position a new crankshaft front seal (2) to front cover (1). Note: If the crankshaft front seal is supplied with a sleeve, remove the sleeve from the crankshaft front seal before installation.
Use Tooling (B) to install crankshaft front seal (2) to front cover (1). Ensure that the front face of the crankshaft front seal is installed to a depth of 6.5 0.2 mm (0.256 0.008 inch).
Remove Tooling (B) from the crankshaft. End By:
Install the crankshaft pulley. Refer to Disassembly and Assembly, "Vibration Damper and Pulley - Install" for the correct procedure.