525D, 535D, 545D and 555D Wheel Skidders Machine Systems Hydraulic Tank - Remove and Install Caterpillar


Hydraulic Tank - Remove and Install
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1.1. Removal Procedure
2.1. Installation Procedure

Removal Procedure

Table 1
Required Tools 
Tool  Part Number  Part Description  Qty 
422-5472  Lifting Eye Assembly 

Start By:

  1. Tilt cab.

  1. Drain the hydraulic oil. Refer to Operation and Maintenance Manual, "Hydraulic System Oil – Change" for the correct draining and filling procedures.


    Illustration 1g06229049

  2. Remove panels (4) and (2). Use two people to remove door (3) and panel (1). Repeat for the opposite side.


    Illustration 2g06229050

  3. Remove guard (6). Disconnect antenna (5).


    Illustration 3g06229090

  4. Use two people to remove panel (7). The weight of panel (7) is approximately 23 kg (50 lb).


    Illustration 4g06229051

  5. Use suitable lifting device and Tooling (A) to remove housing (8). The weight of housing (8) is approximately 25 kg (55 lb).


    Illustration 5g06229089

  6. Remove fan shroud (9). Cut cable straps (10).


    Illustration 6g06229080

  7. Disconnect hose assemblies (11) and (12).


    Illustration 7g06229088

  8. Disconnect hose assemblies (13).


    Illustration 8g06229081

  9. Remove clamps (14).


    Illustration 9g06229083

  10. Disconnect hose assemblies (15).


    Illustration 10g06229084

  11. Disconnect harness assembly (16). Disconnect hose assemblies (17). Loosen the clamps and disconnect hose (18).


    Illustration 11g06229085


    Illustration 12g06229086


    Illustration 13g06229087

  12. Use suitable lifting device and Tooling (A). Remove bolts (19) and bolts (20). Remove Hydraulic tank (21). The weight of hydraulic tank (21) is approximately 91 kg (200 lb).

Installation Procedure

  1. Install hydraulic tank (21) in the reverse order of removal

Information System:

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