CONNECTOR AS 3855775 - Caterpillar

Removal Procedure
Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
A     FT-1114     Vacuum Cap     1    Start By:
Release the hydraulic system pressure. Refer to Disassembly and Assembly, " Hydraulic System Pressure - Release".
Connect the frame lock link. Refer to Disassembly and Assembly, "Frame Lock Link - Seperate and Connect".
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.
Note: Cleanliness is an important factor. Before the disassembly procedure, the exterior of the component should be thoroughly cleaned. This will help to prevent dirt from entering the internal mechanism.Note: Put identification marks on all lines, on all hoses, on all wires, and on all tubes for installation purposes. Plug all lines, hoses, and tubes. This helps to prevent fluid loss and this helps to keep contaminants from entering the system.
Illustration 1 g01379545
Install Tooling (A) onto the hydraulic tank (1). Attach an air supply hose onto Tooling (A). Apply 276 414 kPa (40 60 psi). This procedure will pull a vacuum on the hydraulic system.
Illustration 2 g01379546
Disconnect tube assemblies (2). Disconnect hose assemblies (4). Remove selector and pressure control valve (3) .
Illustration 3 g01379626
Personal injury can result from being struck by parts propelled by a released spring force.Make sure to wear all necessary protective equipment.Follow the recommended procedure and use all recommended tooling to release the spring force.
Loosen adapter (5) in order to release spring tension. Remove adapter (5). Remove O-ring seal (6) .
Remove adapter (11), O-ring seal (10), shims (9), spring (8), and stem (7) from selector and pressure control valve (3) .