GASKET 3744419 - 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, "Crankshaft Pulley - Remove and Install".
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 1 g03429500
Position Tooling (A) on the nose of the crankshaft. Screw Tooling (A) into crankshaft front seal (1). Note: Do not damage the edge of the housing for the crankshaft front seal.
Screw bolt (2) into Tooling (A) in order to remove crankshaft front seal (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
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Ensure that the bore for the crankshaft front seal in the front housing is clean and free from damage.
Illustration 2 g03429501
Assemble Tooling (B).
Align new crankshaft front seal (1) to the front housing. 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 (1). Ensure that the front face of the seal is installed to a depth of 6.5 0.2 mm (0.256 0.008 inch) into the front housing.
Remove Tooling (B) from the crankshaft. End By:
Install the crankshaft pulley. Refer to Disassembly and Assembly, "Crankshaft Pulley - Remove and Install".