631G and 637G Wheel Tractor-Scrapers Machine Systems Caterpillar


Fuel Tank - Remove and Install

Usage:

637G DEX

Removal Procedure

Start By:

  1. Remove the hoods. Refer to Disassembly and Assembly, "Hood - Remove".


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 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.

  1. Move the ejector forward.

  1. Drain the fuel tank into a suitable container for storage or disposal.



    Illustration 1g01266526

  1. Attach a suitable lifting device to fuel tank (1). The weight of fuel tank (1) is approximately 128 kg (281 lb).

  1. Remove breather (3). Remove ECM (2) .



    Illustration 2g01266527

  1. Disconnect hoses (4) and hose assembly (5). Remove clamps (6) from both sides of the fuel tank.



    Illustration 3g01085573

  1. Remove bolts (7) and remove fuel tank (1) .

Installation Procedure




    Illustration 4g01266526



    Illustration 5g01085573

  1. Attach a suitable lifting device to fuel tank (1) and position fuel tank (1). The weight of fuel tank (1) is approximately 128 kg (281 lb). Install bolts (7) .

  1. Install breather (3) and ECM (2) .



    Illustration 6g01266527

  1. Connect hoses (4) and hose assemblies (5). Install clamps (6) for both sides of the fuel tank.

  1. Move the ejector backward.

  1. Fill the fuel tank. Refer to Operation and Maintenance Manual, "Capacities - Refill".

End By: Install the hoods. Refer to Disassembly and Assembly, "Hood - Install".

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