PRESSURE CONTROL VALVE GROUP 6P0259 - Caterpillar

Removal Procedure
Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
ZZ     179-4450     Protective Cap     1    
179-4451 Protective Cap     1    Start By:
Install the steering frame lock. Refer to Disassembly and Assembly, "Steering Frame Lock - Remove and Install".Note: SERVICE DATA: TOOLING (ZZ) WILL NOT BE IDENTIFIED IN PHOTOGRAPHS IN THE REMOVAL OR THE INSTALLATION. THIS TOOLING IS SHOWN IN ORDER TO ASSIST THE EXPERIENCED SERVICEMAN.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. This helps to prevent fluid loss, and this helps to keep contaminants from entering the system.Note: Cleanliness is an important factor. Before the removal procedure, the exterior of the component should be thoroughly cleaned. This will help to prevent dirt from entering the internal mechanism.
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.
Hot oil and components can cause personal injury.Do not allow hot oil or components to contact skin.
Illustration 1 g01198751
Illustration 2 g01198752
Disconnect hose assembly (1). Move the hose assembly out of the way.
Disconnect hose assemblies (2) and (3) .
Loosen hose clamps (4) and disconnect the hose assembly.
Remove tube assembly (6) from torque converter scavenge and transmission oil pump (5) .
Remove six bolts (7). Remove torque converter scavenge and transmission oil pump (5) .