SEAL ASSEM. 7L5663 - Caterpillar

Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 1U-7600 Slide Hammer Puller 1
B - Pry Bar 1
C 5P-7312 Seal Distorter 1
D 5P-7314 Distorter Ring 1 Start By:
Remove the flywheel.
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Note: Ensure that the rear gear remains in place when the crankshaft rear seal and crankshaft wear sleeve are removed.
Install two bolts from the flywheel and suitable washers through the rear gear in the crankshaft.
Illustration 1 g01146630Note: Ensure that you do not damage the flywheel housing with Tooling (B).Note: If the crankshaft wear sleeve starts to slide off the crankshaft, go to Step 3.
Use Tooling (B) to pry around the lip of crankshaft wear sleeve (2).
Use Tooling (A) or a punch and hammer to puncture three or more holes in crankshaft rear seal (1).
Use Tooling (A) to remove crankshaft rear seal (1).
If necessary, use Tooling (C) and Tooling (D) to remove crankshaft wear sleeve (2).Installation Procedure
Table 2
Required Tools
Tool Part Number Part Description Qty
E 249-2937(1) Seal Locator As 1
5P-7310(1) Bolt 3
9S-8858(1) Nut (Seal Installer) 1
6V-6143(1) Seal Installer 1
5P-1733(2) Seal Locator As 1
5P-7309(2) Bolt 3
9S-8858(2) Nut (Seal Installer) 1
6V-6142(2) Seal Installer 1
F(3) 5P-7301 Seal Locator 1
5P-7309 Bolt 2
9S-8858 Nut (Seal Installer) 1
8T-2683 Rear Seal Installer 1
(1) Large pilot for crankshaft gear (approximately 85 mm (3.3 inch) diameter)
(2) Small pilot for crankshaft gear (approximately 52 mm (2.0 inch) diameter)
(3) For use when the rear gear group is installed.
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 2 g01513824
Clean the outside diameter of the crankshaft.Note: Install the crankshaft rear seal with the arrow that shows the direction of crankshaft rotation toward the rear of the engine.
Use Tooling (E) to install crankshaft wear sleeve (2) and crankshaft rear seal (1) as a unit.Note: Use Tooling (F) when the rear gear group is installed.End By:
Install the flywheel. Refer to Disassembly and Assembly, "Flywheel - Remove and Install".