BOLT 0001768 - Caterpillar

Removal Procedure
Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
A (1)     278-2636     Front Oil Seal Removal Tool     1    
A (2)     1P-2320     Combination Puller     1    
( 1 ) Use this tool with earlier crankshafts.
( 2 ) Use this tool with later crankshafts.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 g02698236
Use this tool with earlier crankshafts.
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) .
Illustration 2 g02698217
Use this tool with later crankshafts.
Install the legs of Tooling (A) behind crankshaft front seal (1) . Install a suitable spacer between Tooling (A) and the crankshaft.
Use Tooling (A) in order to pull crankshaft front seal (1) out of the housing.Note: Do not damage the edge of the housing for the crankshaft front seal.Installation Procedure
Table 2
Required Tools    
Tool     Part Number     Part Description     Qty    
B     276-1209     Seal Installer     1    
9U-6206 Stud     1    
9U-6207 Plate     1    
9U-6209 Sleeve     1    
C (1)     276-1207     Anchor Plate     1    
D (2)     366-5984     Anchor Plate     1    
( 1 ) Use this tool with earlier crankshafts.
( 2 ) Use this tool with later crankshafts.
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 3 g01337799
Typical example
Assemble Tooling (B) , Tooling (C) , or Tooling (D) .
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) , Tooling (C) , or Tooling (D) 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) , Tooling (C) , or Tooling (D) from the crankshaft.End By: Install the crankshaft pulley. Refer to Disassembly and Assembly, "Crankshaft Pulley - Remove and Install".