320D2 GC Excavator Machine Systems Auxiliary Pilot Valve (Straight Travel) - Remove and Install Caterpillar


Auxiliary Pilot Valve (Straight Travel) - Remove and Install
`
1.1. Removal Procedure
2.1. Installation Procedure

Removal Procedure

Table 1
Required Tools 
Tool  Part Number  Part Description  Qty 
FT-2674  Vacuum Cap 

Start By:

  1. Release the hydraulic system pressure.


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.




    Illustration 1g01209599

  1. Remove the cap from the hydraulic tank. Install Tooling (A) onto the hydraulic tank. Attach an air supply hose to Tooling (A). Apply 276 to 414 kPa (40 to 60 psi) of air. This procedure will pull vacuum on the hydraulic system.


    Illustration 2g01209620
    Bottom view

  2. Remove plate (1).


    Illustration 3g01209628

  3. Disconnect harness assembly (3). Disconnect hose assemblies (4). Remove switch assembly (5) and the fitting. Remove fittings (2).


    Illustration 4g01209662

  4. Remove bolts (7) and pedal (6).


    Illustration 5g01209666

  5. Remove bolts (8).


    Illustration 6g01209669

  6. Remove auxiliary pilot valve (9).

Installation Procedure



    Illustration 7g01209669

  1. Install auxiliary pilot valve (9).


    Illustration 8g01209666

  2. Install bolts (8).


    Illustration 9g01209662

  3. Install pedal (6) and bolts (7).


    Illustration 10g01209628

  4. Install fittings (2). Install switch assembly (5) and the fitting. Connect hose assemblies (4). Connect harness assembly (3).


    Illustration 11g01209620
    Bottom view

  5. Install plate (1).


    Illustration 12g01209599

  6. Remove Tooling (A).

Information System:

320D2 GC Excavator Machine Systems Main Hydraulic Pump - Assemble
320D2 GC Excavator Machine Systems Main Hydraulic Pump - Disassemble
320D2 GC Excavator Machine Systems Main Hydraulic Pump - Remove and Install
320D2 GC Excavator Machine Systems Gear Pump (Pilot) - Assemble
320D2 GC Excavator Machine Systems Gear Pump (Pilot) - Disassemble
320D2 GC Excavator Machine Systems Gear Pump (Pilot) - Remove and Install
A Detailed Torque Sequence for the Plug, Seat, and Nut for the Manual Stick Lowering Control Valve is Used on Certain E Series and F Series Excavators {5117, 5453}
320D2 GC Excavator Machine Systems Relief Valve (Pilot) - Remove and Install
320D2 GC Excavator Machine Systems Hydraulic Tank - Remove and Install
320D2 GC Excavator Machine Systems Swing Gear and Bearing - Install
320D2 GC Excavator Machine Systems Swing Gear and Bearing - Remove
320D2 GC Excavator Machine Systems Swing Drive - Assemble
320D2 GC Excavator Machine Systems Pilot Valve (Joystick) - Remove and Install
320D2 GC Excavator Machine Systems Pilot Valve (Joystick) - Disassemble
320D2 GC Excavator Machine Systems Pilot Valve (Joystick) - Assemble
320D2 GC Excavator Machine Systems Control Manifold (Pilot Oil) - Remove and Install
Installing the Hand Throttle Kit {1435}
320D2 GC Excavator Machine Systems Control Manifold (Pilot Oil) - Disassemble - Hydraulic Lockout, Swing Brake, Travel
320D2 GC Excavator Machine Systems Control Manifold (Pilot Oil) - Assemble - Hydraulic Lockout, Swing Brake, Travel
320D2 GC Excavator Machine Systems Pilot Valve (Travel) - Remove and Install
320D2 GC Excavator Machine Systems Pilot Valve (Travel) - Disassemble
320D2 GC Excavator Machine Systems Pilot Valve (Travel) - Assemble
320D2 GC Excavator Machine Systems Accumulator - Remove and Install
320D2 GC Excavator Machine Systems Pressure Reducing Valve - Remove and Install