450E Backhoe Loader Machine Systems Caterpillar


Bank Valve (Backhoe) - Remove

Usage:

450E EBL

Removal Procedure

Table 1
Required Tools 
Tool  Part Number  Part Description  Qty 
304-1165  Wrench 
138-7575  Link Bracket 

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.

  1. Lower all implements to the ground.

  2. Release the pressure in the hydraulic system. Refer to Disassembly and Assembly, "Hydraulic System Pressure - Release".

  3. Drain the hydraulic oil into a suitable container for storage or disposal. Refer to Operation and Maintenance Manual, "Hydraulic System Oil - Change".


    Illustration 1g01119509

  4. Remove bolts (3) and plate (2). Repeat for the other side. Remove floor mat (1).


    Illustration 2g01121317

  5. Remove bolts (4) and floorplate (5).


    Illustration 3g01121182

  6. Remove louver (6).


    Illustration 4g01121187

  7. Remove bolt (7).


    Illustration 5g01121221

  8. Remove bolts (9) and duct (8).

  9. Repeat Steps 6 through 8 for the other side.


    Illustration 6g01121318

  10. Remove bolts (10) from each side and remove floorplate (11).


    Illustration 7g01382653

  11. Use Tooling (A) in order to disconnect eight hose assemblies (12) from the top side of the bank valve. Disconnect seven harness assemblies (13).


    Illustration 8g01382654

  12. Disconnect hose assembly (14) from the front side of the bank valve. Use Tooling (A) in order to disconnect three hose assemblies (15) from the front side of the bank valve.


    Illustration 9g01382655

  13. Disconnect hose assemblies (16) from the left side of the bank valve.

    Note: One hose assembly will require the use of Tooling (A).



    Illustration 10g01382656

  14. Disconnect hose assemblies (17) from the right side of the bank valve. Use Tooling (A) in order to disconnect hose assemblies (18) and (19).


    Illustration 11g01382657

  15. Disconnect hose assemblies (20) from the rear of the bank valve.


    Illustration 12g01382659

  16. Remove bolts (21). Repeat for the other side and remove bar (22).


    Illustration 13g01382662

  17. Remove bolts (23) and place manifold (24) to the side.


    Illustration 14g01382663

  18. Attach Tooling (B) and a suitable lifting device to bank valve (26). The weight of bank valve (26) is approximately 80 kg (176 lb). Remove bolts (25) and bank valve (26).

Caterpillar Information System:

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