HUB-FAN PULLEY 3487020 - Caterpillar

Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 132-8223 Power Pack 1
132-8119 Hydraulic Torque Wrench Assembly 1 Start By:
Remove the final drive sprocket. Refer to Disassembly and Assembly, "Final Drive Sprocket - Remove and Install".
Remove the travel motor. Refer to Disassembly and Assembly, "Travel Motor - Remove". Note: The final drive sprocket does not need to be removed prior to removal of the final drive. The sprocket should be removed in order to disassemble the final drive.Note: The travel motor does not need to be removed prior to removal of the final drive. The travel motor should be removed in order to disassemble the final drive.Note: The procedure to remove the right hand final drive and the procedure to remove the left hand final drive is identical. The procedure that follows is for one of the final drives.
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.Refer to Special Publication, NENG2500, "Caterpillar Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Caterpillar products.Dispose of all fluids according to local regulations and mandates.
Illustration 1 g00874660
Attach two lifting straps and a hoist to final drive (1). It may be necessary to adjust the lifting straps for correct balance of the final drive.
Illustration 2 g00874668
Illustration 3 g00874687Note: Mark the location of Mounting Bolt Holes (Z) for the travel motor for installation purposes.
Use Tooling (A) to remove bolts (2). Carefully remove the final drive. The weight of the final drive is approximately 1020 kg (2250 lb). Note: The weight of the final drive must be adjusted if any of the components are being removed with the final drive.