SHAFT-TRACK ROLLER 7T0688 - Caterpillar

Removal Procedure
Start By:
Remove the crankshaft pulley. Refer to Disassembly and Assembly, "Crankshaft Pulley - Remove and Install".
Remove the crankshaft front seal . Refer to Disassembly and Assembly, "Crankshaft Front Seal - Remove and Install".
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Note: Wear sleeves are used to reclaim worn seal surfaces. Wear sleeves are not original equipment. A new crankshaft front seal must be installed when a new wear sleeve is installed.
Illustration 1 g01269535
Sectional view of the crankshaft pulley and the wear sleeve
Use a sharp tool to score a deep line across wear sleeve (1). Note: Take care to avoid damaging to the crankshaft pulley.
Insert a thin blade between wear sleeve (1) and crankshaft pulley (2) below the scored line. The wear sleeve will separate along the line.
Remove wear sleeve (1) from crankshaft pulley (2). Installation Procedure
Table 1
Required Tools
Tool Part Number Part Description
A 1U-8846 Gasket Sealant
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Ensure that the crankshaft pulley is thoroughly clean and dry. Remove any areas of raised damage.
Illustration 2 g01269521
Sectional view of the wear sleeve
Apply a small continuous bead of Tooling (A) to the inner surface of wear sleeve (1) at position X. Apply the bead of Tooling (A) 5.00 mm (0.2 inch) from the flange end of the wear sleeve.
Illustration 3 g01258423
Typical example
Illustration 4 g01258430
Sectional view of the crankshaft pulley, the wear sleeve and the installation tool
Align wear sleeve (1) with crankshaft pulley (2). Use installation tool (3) that is provided with the wear sleeve and use a suitable press in order to install wear sleeve (1) onto crankshaft pulley (2). Note: Ensure that the wear sleeve is installed squarely against the shoulder of the crankshaft pulley.
Remove installation tool (3) from wear sleeve (1).
Ensure that wear sleeve (1) has no rough edges. End By:
Install a new crankshaft front seal. Refer to Disassembly and Assembly, "Crankshaft Front Seal - Remove and Install".
Install the crankshaft pulley. Refer to Disassembly and Assembly, "Crankshaft Pulley - Remove and Install".