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


Air Dryer - Remove and Install

Usage:

631G DEM

Removal Procedure

------ WARNING! ------

Personal injury can result from removing hoses or fittings in a pressure system.

Failure to relieve pressure can cause personal injury.

Do not disconnect or remove hoses or fittings until all pressure in the system has been relieved.

----------------------

Note: Put identification marks on all hoses, on all hose assemblies on all wires, and on all tube assemblies for installation purposes. Plug all hose assemblies and plug all tube assemblies. This helps prevent fluid loss, and this helps keep contaminants from entering the system.




    Illustration 1g01252230

  1. Open valves (1) in order to release the system air pressure.



    Illustration 2g01257738

  1. Open cover (2) .



    Illustration 3g01257740

  1. Disconnect hose assemblies (4). Disconnect harness assembly (5). Disconnect hose (7) .

  1. Remove bolts (6). Remove air dryer (3) .

Installation Procedure




    Illustration 4g01257740

  1. Position air dryer (3) and install bolts (6) .

  1. Connect hose (7). Connect harness assembly (5). Connect hose assemblies (4) .



    Illustration 5g01257738

  1. Close cover (2) .



    Illustration 6g01252230

  1. Close valves (1) .

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