R3000H Load Haul Dump Machine Systems Caterpillar


Neutralizer Valve (STIC Steering) - Remove and Install

Usage:

R3000H RCM

Specifications



Illustration 1g03891035

Table 1
Specification for 211-9696 Steering Neutralizer Valve 
Item  Qty  Part  Specification Description 
Pressure drop at a temperature of 49°C (120°F) with a flow of 9 L/min (2.4 US gpm) equals 80 kPa (12 psi)
447-5613 Lip Type Seal  Lubricate the seal with the lubricant that is being sealed. 
252-1631 Plug As  Torque plug to 2 ± 0.2 N·m (18 ± 2 lb in) 
8Y-5928 Spring  Length under test force 59.27 mm (2.33 inch)
Test force 11.32 ± 0.91 N (2.54 ± 0.20 lb).
Free length after test 63.5 mm (2.50 inch).

Removal Procedure

Start By:

  1. Install the steering frame lock. Refer to Disassembly and Assembly, "Steering Frame Lock - Remove and Install".

  2. Release the hydraulic system pressure. Refer to Disassembly and Assembly, "System Pressure - Release".

Note: Cleanliness is an important factor. Before the removal procedure, thoroughly clean the exterior of the component. Thoroughly cleaning the exterior of the component 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, all hoses, and all tubes to prevent fluid loss and contaminants from entering the system.


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, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat® products.

Dispose of all fluids according to local regulations and mandates.


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

Personal injury can result from hydraulic oil pressure and hot oil.

Hydraulic oil pressure can remain in the hydraulic system after the engine has been stopped. Serious injury can be caused if this pressure is not released before any service is done on the hydraulic system.

Make sure all of the work tools have been lowered to the ground, and the oil is cool before removing any components or lines. Remove the oil filler cap only when the engine is stopped, and the filler cap is cool enough to touch with your bare hand.




    Illustration 2g03325258

  1. Disconnect hose assemblies (2), (4) and (5) from steering neutralizer valve (3).

  2. Remove two bolts (1). Remove steering neutralizer valve (3).

Installation Procedure

Note: Check the O-ring seals, the gaskets, and the seals for wear or for damage. Replace the components, if necessary.



    Illustration 3g03325258

  1. Position steering neutralizer valve (3) and install two bolts (1).

  2. Connect hose assemblies (2), (4) and (5) to steering neutralizer valve (3).

  3. Fill the hydraulic tank with oil to the correct level. Refer to Operation and Maintenance Manual, "Hydraulic System Oil level - Check".

  4. Check the adjustment of the steering neutralizer valves. Refer to Systems Operation, Testing and Adjusting, "Steering Neutralizer Valve - Check and Adjust".

End By:

  1. Remove the steering frame lock. Refer to Disassembly and Assembly, "Steering Frame Lock - Remove and Install".

Caterpillar Information System:

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