621G and 627G Wheel Tractor-Scrapers Machine Systems Caterpillar


Hydraulic Tank - Install

Usage:

621G ALP

Installation Procedure

Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
A     138-7573     Link Bracket     2    
B     138-7575     Link Bracket     2    


NOTICE

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 Tools and Shop Products Guide" 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 assembly, all parts should be thoroughly cleaned in cleaning fluid. Allow the parts to air dry. Wiping cloths or rags should not be used to dry parts. Lint may be deposited on the parts which may cause later trouble. Inspect all parts. If any parts are worn or damaged, use new parts for replacement. All disassembly and all assembly procedures must be performed on a clean work surface and in a clean hydraulic area. Keep cleaned parts covered and protected at all times.

Note: O-rings, gaskets, and seals should always be replaced. A used O-ring may not have the same sealing properties as a new O-ring. Use 1U-6396 O-Ring Assembly Compound during the assembly procedure.




    Illustration 1g00791648

  1. Attach Tooling (A) and attach Tooling (B) and a suitable lifting device to the hydraulic tank. Install the tank on the machine. The weight of the tank is 278 kg (613 lb).

  1. Install the sixteen bolts that secure the tank.



    Illustration 2g00839439

  1. Install the O-ring seal. Position tube assembly (13) to the tank. Install four bolts (14) to tube assembly (13) .



    Illustration 3g00791542

  1. Attach Tooling (B) to the fender. Position the fender on the machine. The weight of the fender is 80 kg (176 lb).



    Illustration 4g00839437

  1. Install three bolts (12) .



    Illustration 5g00839434

  1. Install six bolts (11) .



    Illustration 6g00839421

  1. Install the O-ring seal. Position inlet tube assembly (9) to the tank. Install four bolts (8) in order to secure the tube assembly.



    Illustration 7g00839432

  1. Tighten two nuts (10) in order to secure the hydraulic tube assembly.



    Illustration 8g00839419

  1. Connect clip (7) .



    Illustration 9g00839405

  1. Position ladder (6) onto the machine. Install ten bolts (5) .



    Illustration 10g00839362

  1. Reposition the fuel lines and reposition the fuel filters. Install two bolts (4) .

  1. Connect electrical connection (3) .



    Illustration 11g00839357

  1. Position wiring harness (2). Connect two clips (1) .

  1. Refill the hydraulic tank. Refer to Operation and Maintenance Manual, "Lubricant Viscosities" and refer to Operation and Maintenance Manual, "Refill Capacities".

End By:

  1. Install the precleaner. Refer to Disassembly and Assembly, "Precleaner - Remove and Install" for the Engine Supplement.
  2. Install the muffler. Refer to Disassembly and Assembly, "Muffler - Remove and Install" for the Engine Supplement.

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