HUB-IMPELLER 8P2664 - Caterpillar

Removal Procedure
Start By:
Install the steering frame lock. Refer to Disassembly and Assembly, "Steering Frame Lock - Remove and Install".
Release the braking system pressure. Refer to Systems Operation Testing and Adjusting, "System Pressure - Release". Note: Cleanliness is an important factor. Before the removal procedure, clean the exterior of the component. Cleaning the exterior of the component will prevent dirt from entering the internal mechanism.Note: Put identification marks on all hoses, on all hose assemblies, on all wires, and on all tube assemblies for installation purposes. Plug all hose assemblies and all tube assemblies in order to prevent fluid loss, and to keep contaminants from entering the system.
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, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat® products.Dispose of all fluids according to local regulations and mandates.
Hot oil and components can cause personal injury.Do not allow hot oil or components to contact skin.
Depress the breaker relief valve on the hydraulic tank in order to release any pressure in the hydraulic tank.
Illustration 1 g03681229
Disconnect electrical connectors (1), (2), (3), (4), (5) and (6).
Illustration 2 g03681236
Disconnect hose assemblies (7), (8), (9) and (10).
Illustration 3 g03681237
Disconnect hose assemblies (12), (14) and (15).
Remove three bolts (13) and brake control valve (11).