246C, 256C, 262C, 262C2 and 272C Skid Steer Loaders Machine Systems Caterpillar


Control Valve (Work Tool) - Install - High Flow

Usage:

256C DWS

Installation Procedure

Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
A     189-0408     Shackle As     1    
138-7573 Link Bracket     1    

Note: Cleanliness is an important factor. Before assembly, thoroughly clean all parts in cleaning fluid. Allow the parts to air dry. Do not use wiping cloths or rags to dry parts. Lint may be deposited on the parts which may cause trouble. Inspect all parts. If any parts are worn or damaged, use new parts for replacement. Dirt and other contaminants can damage the precision component. Perform assembly procedures on a clean work surface. Keep components covered and protected at all times.

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


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.





    Illustration 1g01332379

  1. Attach Tooling (A) and a suitable lifting device to control valve (30). The weight of the control valve is approximately 36 kg (80 lb). Position control valve (30) and bracket assembly (33). Install bolts (34) .



    Illustration 2g01334062

  1. Position control valve (30) .



    Illustration 3g01332368



    Illustration 4g01332364

  1. Install bolts (32) and (31).



    Illustration 5g01332171

  1. Install bracket (29) .



    Illustration 6g01334102

  1. Connect harness assemblies (28). Connect harness assembly (26) and all mounting hardware to the valve.

  1. Connect hose assembly (27) .



    Illustration 7g01331696

  1. Position bracket assembly (22) and install bolts (23). Position mounting assembly (25) and install bolts (24). Connect tube assembly (21) and install bolt (20).



    Illustration 8g01331651

  1. Connect tube assembly (19). Install tube assembly (18).



    Illustration 9g01331549

  1. Install fittings (16) and the elbows, as shown. Connect tube assemblies (17).



    Illustration 10g01331497

  1. Connect tube assembly (14). Connect hose assemblies (12) and (15). Connect harness assembly (13).



    Illustration 11g01330096

  1. Install tube assembly (11) .



    Illustration 12g01330094

  1. Install fittings (6) and the elbows, as shown. Connect tube assemblies (7).

  1. Install coil assemblies (8), (9), and (10). Tighten nuts (5) to a torque of 13.0 ±1.5 N·m (115.0 ± 13.0 lb in).



    Illustration 13g01330092

  1. Position cable assembly (1) and install retainer (2). Install tube assembly (4). Connect hose assembly (3) .



    Illustration 14g01362539

  1. If necessary, install plate (1A). Tighten the bolts to a torque of 40 ± 8 N·m (30 ± 6 lb ft).

End By:

  1. Install the control manifold. Refer to Disassembly and Assembly, "Control Manifold and Solenoid (Work Tool Positioner) - Install and Install".
  2. Install the ride control manifold. Refer to Disassembly and Assembly, "Ride Control Manifold - Install".
  3. Install the hydraulic tank. Refer to Disassembly and Assembly, "Hydraulic Tank - Install".

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