TANK & FILTER GP-HYDRAULIC 4Z6472 - Caterpillar

Removal Procedure
Table 1
Required Tools    
Tool    Part Number    Part Description    Qty    
A     1U-7600     Slide Hammer Puller     1    
B (1)     5P-7314     Distorter Ring     1    
C (1)     5P-7312     Seal Distorter     1    
( 1 ) Part of the 5P-7318 Wear Sleeve Distorter Group Start By:
Remove the vibration damper and the pulley. Refer to Disassembly and Assembly, "Vibration Damper and Pulley - Remove and Install".
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Note: The front seal and the wear sleeve must be replaced at the same time. Once the seal and the wear sleeve are separated, these components can not be used again. Refer to Special Instruction, SMHS8508, "Special Handling Information and Installation Instructions for Crankshaft Seal Groups That Have Hydrodynamic Grooves In the Sealing Lip" before the seal is serviced.
Illustration 1 g00829187
(1) Seal (2) Wear sleeve
Illustration 2 g00582156
Typical example
Use a punch or Tooling (A) in order to puncture a hole in seal (1) .
Use Tooling (A) in order to remove seal (1) .
Illustration 3 g00582158
Typical example
Place Tooling (B) into position.Note: The correct position is shown in Illustration 3.
Install Tooling (C) between Tooling (B) and the wear sleeve.
Turn Tooling (C), until the edge of the tool makes a flat crease in the wear sleeve. Repeat this procedure until there are enough creases in the wear sleeve in order to allow the wear sleeve to be slipped off the end of the crankshaft.
Remove Tooling (B) and the wear sleeve by hand.