ENGINE AR 9E1805 - Caterpillar

Removal Procedure
Start By:
Connect the steering frame lock. Refer to Disassembly and Assembly, "Steering Frame Lock - Separate and Connect".
Release the pressure in the hydraulic system. Refer to Disassembly and Assembly, "System Pressure - Release".
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 you begin the removal procedure, the exterior of the components should be thoroughly cleaned. This will help to prevent dirt from entering the internal mechanism.Note: Put identification marks on all hose assemblies and on all tube assemblies for installation purposes. Plug all hose assemblies and all tube assemblies. This helps to prevent fluid loss, and this helps to keep contaminants from entering the system.Note: The pressure reducing valve is located on the firewall behind the cab.
Illustration 1 g01323899
Disconnect tube assembly (1) from pressure reducing valve (2) .
Disconnect hose assemblies (3), hose assembly (4), and hose assembly (5) from pressure reducing valve (2) .
Illustration 2 g01323920
Remove bolts (6) and the washers in order to remove pressure reducing valve (2) from the machine.