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


Filter Bypass (Hydraulic) - Remove and Install

Usage:

631G DEM

Removal Procedure

Start By:

  1. Release system pressure. Refer to Disassembly and Assembly, "Hydraulic System Pressure - Release".


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.



NOTICE

Keep all parts clean from contaminants.

Contamination of the hydraulic system with foreign material will reduce the service life of the hydraulic system components.

To prevent contaminants from entering the hydraulic system, always plug or cap the lines, fittings, or hoses as they are disconnected. Cover any disassembled components and clean them properly before assembly.

Clean the hydraulic system properly after any major component exchange or especially after a component failure, to remove any contamination.





    Illustration 1g01265361

  1. Remove bolts (1). Remove bypass valve (2) from the hydraulic tank.

Installation Procedure




    Illustration 2g01265361

  1. Position bypass valve (2) and install bolts (1) onto the hydraulic tank.

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