NUT AS 2731867 - Caterpillar

Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 1U-7600 Slide Hammer Puller 1
B 5P-1733 Seal Locator 1
C 5P-1737 Bolt 3
D 9S-8858 Nut (Seal Installer) 1
E 6V-6142 Seal Installer 1 Start By:
Remove the vibration damper and the pulley.
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 1 g01255652
If necessary, use Tooling (A) or a punch and hammer in order to puncture three or more holes in wear sleeve (1).
If necessary, use Tooling (A) in order to remove wear sleeve (1).
Use Tooling (A) or a punch and hammer in order to puncture three or more holes in crankshaft front seal (2).
Use Tooling (A) in order to remove crankshaft front seal (2). Installation Procedure
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Note: Do not use any type of lubricant during the installation of the crankshaft front seal and the wear sleeve.
Before installation of the crankshaft front seal and the wear sleeve, inspect the crankshaft for scratches. Also, inspect the crankshaft for any distortion on the surface that may lead to an out of round condition. Use a polishing cloth in order to remove any imperfections on the crankshaft.
Clean the outside diameter of the crankshaft.
Illustration 2 g01255654
Use Tooling (C) in order to attach Tooling (B) to the crankshaft. Note: Install the crankshaft front seal with the arrow that shows the direction of crankshaft rotation toward the front of the engine.
Position wear sleeve (2) and crankshaft front seal (1) as a unit on Tooling (B). Install Tooling (E) on Tooling (B). Lubricate the face of the washer on Tooling (D). Install Tooling (D) on Tooling (B).
Tighten Tooling (D) until Tooling (E) contacts Tooling (B).
Remove Tooling (D) and Tooling (E) from Tooling (B).
Remove Tooling (C) and Tooling (B) from the crankshaft. End By:
Install the vibration damper and the pulley.