RETAINER-YM 3843475 - Caterpillar

Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 1U-8145 Drill Bit 1
B 1U-7600 Slide Hammer Puller Gp 1
C 4C-4869 Distorter Ring 1
D 5P-7312 Seal Distorter 1 Start By:
Remove the flywheel. Refer to Disassembly and Assembly, "Flywheel - Remove".
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Use Tooling (A) to drill three evenly spaced holes in the crankshaft rear seal.
Illustration 1 g00989088
Carefully remove crankshaft rear seal (1) by alternating the position of Tooling (B) from hole to hole. This will allow crankshaft rear seal (1) to be removed evenly without damage to the rear flange surface of the crankshaft. Note: New engines from the factory do not have a wear sleeve. Engines with seals that have been replaced will be equipped with a wear sleeve. If the crankshaft of the engine is equipped with a wear sleeve, refer to Disassembly and Assembly, "Crankshaft Wear Sleeve (Rear) - Remove" in order to remove the wear sleeve.
Use Tooling (C) and Tooling (D) to remove the wear sleeve (if equipped).